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  • automatic pH controller

    TX20 pH and ORP Controller

    $427.20
    Our TX20 Automatic pH Controller is a convenient and cost effective solution for monitoring and maintaining both pH and ORP. This controller allows you to save space in your panel with its small footprint 1/8 DIN case. You can also use the two on/off relay outputs to program process control, including management of alarms and chemical dosage systems.
    • Easy to install 1/8 DIN Case
    • Two on/off controls (relay outputs)
    • Compatible with sensors that utilize spade lug connectors
    • Clear LCD displays pH or ORP and temperature
    • 100-240 VAC power supply
    Note: The TX20 Automatic pH Controller is only compatible with sensors that have spade lug connectors.
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  • 1/8 DIN ORP transmitter
    The TX10 pH and ORP transmitter is a convenient and cost effective solution for pH and ORP monitoring. This transmitter allows you to save space in your panel with the small footprint of its 1/8 DIN case. The isolated, reversible 4-20mA output of the transmitter provides versatility for a range of process control possibilities.
    • Easy to install 1/8 DIN Case
    • 4-20mA current output
    • Compatible with sensors that utilize spade lug connectors
    • Clear LCD displays pH or ORP and temperature
    • 100-240 VAC power supply
    Note: The TX10 pH and ORP transmitter is only compatible with sensors that have spade lug connectors.
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  • low cost pH Sensor
    Whether you need to measure pH in your swimming pool, aquarium, or hydroponics garden, you need a probe that will deliver accurate measurements day in and day out. Our pH1000 polycarbonate pH sensor provides reliable, stable readings in a range of environments, from greenhouses to science classrooms. This sensor stands up to the usual wear and tear with its durable polycarbonate body and built-in protection for the pH glass measuring surface. Compatible with all pH meters accepting a BNC connector.
    • Very fast response time
    • No maintenance required
    • Durable construction
    • Instantly ready for use
    • One year limited warranty
     
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  • Flat Tip pH Electrode
    Agar plates, skin, and electrophoresis gels are all surfaces that may be difficult to measure with a typical glass bulb electrode due to concerns about bulb breakage. To facilitate these and other surface measurements, we created the pH2100 flat tip pH electrode. It has a rugged flat measurement surface, which breaks less easily when it comes in contact with hard materials. This makes it a great choice for measuring slurries, sludges, and viscous samples as well as those containing suspended solids.
    • Flat measurement tip for surface measurements and slurries
    • Double junction electrode design prevents reference contamination
    • Durable Ultem® body
    • Booted BNC protects meter connection
    • One year limited warranty
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  • ORP sensor for measuring reduction potential of water
    The ORP1000 is a durable and easy to use ORP sensor. Great for outdoor applications, such as monitoring swimming pool chlorine, this probe has built in protection for the ORP sensor surface. Use the ORP1000 with any ORP meter accepting a BNC connector.
    • Very fast response time
    • Sealed, no maintenance reference design
    • Durable construction
    • Instantly ready for use
    • One year limited warranty
     
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  • gel filled flat electrode
    Surfaces like paper, leather, electrophoresis gels and agar plates may be difficult to measure with traditional pH glass bulbs due to concerns about breakage. A flat electrode like our pH2500, is ideally suited for these types of pH measurements as well as measurements of suspended sludges and slurries. In addition to its specially designed measurement surface, the pH2500 features double junction construction, which prevents contamination and allows testing of samples containing heavy metals or proteins.
    • Flat electrode measurement surface
    • Double junction reference protection
    • Reinforced meter connection
    • Low maintenance sealed gel reference design
    • Compatible with any meter accepting BNC
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  • reliable combination pH electrode
    In laboratory environments such as medical, biological, and materials science research groups, samples and test conditions are constantly changing, but accuracy is always critical. The pH3400 is a highly versatile combination pH electrode, specially designed to respond quickly and accurately to rapid temperature changes. The high sensitivity internals allow testing of low ionic samples. Safely measure samples containing heavy metals, TRIS buffer, or proteins thanks to the double junction reference design, which prevents fouling. Even test highly reactive chemicals: with a glass body, the pH3400 is inert to a wide range of chemical reactions.
    • High accuracy, temperature responsive measurements (pH 0-14)
    • Chemically inert glass body
    • Double junction reference prevents contamination
    • Refillable pump junction helps users easily extend sensor lifetime
    • Reinforced meter connection allows use in wet and corrosive environments
       
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  • sealed pH probe
    In research studies or development applications where heat, moisture, or chemical contaminants may damage equipment, electrode durability is key. The S3010CD is durable inside and out. All the functional components – the pH glass, the meter connection, and the cable connection – are reinforced with protective elements. A double junction reference prevents contamination by heavy metals, proteins, TRIS buffer, and other contaminants.
    • Our most accurate and sensitive laboratory electrode
    • Extensive chemical compatibility
    • Double junction design prevents reference contamination
    • Reinforced meter and cable connections with removable pH glass guard
    • Low maintenance sealed gel reference design
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  • glass pH electrode
    Applications such as environmental and wastewater sampling involve some uncertainty about what samples may contain. When dealing with unknown or unpredictable sample types, you need an electrode you can trust to deliver accurate measurements regardless of the contaminants you encounter. The SG2000CD has a double junction reference design to prevent reference fouling by heavy metals and other sample contaminants. With a chemically inert glass body, this electrode can be safely used in the widest range of chemical environments.
    • Accurate measurements across full pH scale (0-14)
    • Maximum chemical compatibility
    • Low maintenance sealed gel reference
    • Compatible with any meter accepting BNC
    • Booted BNC protects meter connection
    • One year limited warranty
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  • combined glass electrode
    Environmental, wastewater, and other sampling applications may expose electrodes to unknown contaminants. Over time, exposure to contaminants such as heavy metals and reactive chemicals, will take a toll on a sensor's functional components.  The best sensors for these types of applications are built to safely handle contaminants to maximize working lifetime. Our pH2400 has a double junction reference design to prevent fouling by sample contaminants that interact with Silver (Ag). The refillable reference junction allows users to replace the liquid fill solution as it becomes depleted or contaminated, instead of replacing the whole sensor.
    • Accurate measurements across full pH scale (0-14)
    • Glass electrode body provides maximum chemical compatability
    • Double junction design prevents reference contamination
    • Refillable reference junction allows sensor maintenance, saving replacement costs
    • BNC boot protects meter connection
    • One year limited warranty
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  • ORP electrode
    In harsh laboratory or field conditions, where heat, moisture, or corrosive chemicals may damage equipment, ORP electrode durability is key. The ORP3000 is durable inside and out. All the functional components – the ORP measurement surface, the meter connection, and the cable connection – are reinforced with protective elements. Durable Ultem® body construction provides extensive chemical compatibility and withstands temperatures up to 100°C.
    • Durable Ultem® body
    • Double junction reference protection
    • Reinforced meter and cable connections
    • Low maintenance sealed gel reference
    • One year limited warranty
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  • cheap glass probe
    Whether you are a student measuring pH in a lab or a business owner monitoring plant or crop health, you need a pH electrode that will consistently deliver accurate measurements. If you deal with a wide variety of chemicals or any aggressive substances, a glass probe like our pH1400 (formerly SG201C) is a safe choice due to the chemically inert properties of glass. This basic, single junction electrode has a refillable reference cell, allowing users to maintain measurement precision throughout the sensor lifetime.
    • Accurate measurements across full pH scale (0-14)
    • Glass body withstands harsh chemicals
    • Refillable reference for extended working lifetime
    • Use with any meter accepting BNC
    • One year limited warranty
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  • pH Electrode Storage Solution
    Extend the life of your pH and ORP sensors by using the Sensorex pH electrode storage solution. When the sensor is not in use, place the sensor glass measurement area into the storage solution. The pH electrode storage solutions are supplied in pints (473 ml).
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  • reliable redox sensor
    When measuring ORP in samples such as wastewaster that may contain proteins, heavy metals, or other contaminants, it is important to use a REDOX sensor designed to withstand unpredictable chemical environments. The ORP2000 features double junction reference protection, which prevents contamination by sample components that interact with silver (Ag). The durable Ultem® body ensures extensive chemical compatibility for safely testing unknown sample types.
    • Ultem® body construction and recessed protected glass
    • Double junction reference protection
    • Sealed gel-filled design to minimize maintenance
    • Reinforced meter connection for protection in wet or corrosive environments
    • One year limited warranty
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  • replacement probe for BNC meter
    When accuracy and repeatability are critical, such as in pharmaceutical or drinking water applications, the ideal electrode will quickly deliver stable measurements. The pH3000 is specially designed to respond quickly and accurately to rapid temperature changes. The high sensitivity internals also make these sensors the best choice for low ionic samples. The double junction reference design prevents contamination, allowing pH testing in samples containing heavy metals, proteins and enzymes, or TRIS buffer.
    • High sensitivity internals for temperature responsive measurements
    • Refillable reference for maximum measurement repeatability
    • Double junction design prevents reference contamination
    • Durable Ultem® body
    • Reinforced meter and cable connections
    • Removable pH glass guard
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  • double junction pH probe
    Applications such as environmental and wastewater sampling involve some uncertainty about what samples may contain. When dealing with unknown or unpredictable sample types, you need a pH probe you can trust to deliver accurate measurements regardless of the contaminants you encounter. The pH2000 (formerly S200CD) has a double junction reference design to prevent reference fouling by heavy metals and other sample contaminants. When you travel to remote sites to collect data, it is especially important that obtaining the measurements you need is hassle free. The pH2000 features an Ultem® body and a booted meter connection for durability you can trust in the field.
    • Durable Ultem® body
    • Booted BNC protects meter connection
    • Low maintenance sealed gel reference design
    • Double junction prevents reference cell contamination
    • 1 year limited warranty

    Click here to download specification sheet.

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  • Pipe mount kit
    The LPMA-002 is an accessory kit that allows pipe-mounting of the LPM100 loop-powered display meter. The LPM100 is a durable, loop-powered process meter for use in demanding applications. This rugged, large display meter can be mounted in various configurations and endure harsh environmental conditions. Simple installation and operation make it an ideal solution for process read out monitoring.
    • Durable for harsh environmental conditions
    • Simple set up and operation
    • User-friendly interface
    • Compatible with Sensorex 4-20mA output sensors
    • One year limited warranty
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  • 4-20mA display
    The LPM100 is a durable, loop-powered 4-20mA display for use in process monitoring applications. Monitor various parameters, including UV transmittance, free chlorine, dissolved oxygen, and more. This large display meter can be mounted in various configurations - including pipe mounting with our pipe mount kit. Simple installation and operation make it an ideal solution for process read out monitoring.
    • Compatible with Sensorex 4-20mA output sensors
    • Durable for harsh environmental conditions
    • Simple set up and operation
    • User-friendly interface
    • One year limited warranty
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  • hot tap
    Users installing into large tanks, large process lines and scrubber lines will appreciate this hot tap assembly sensor kit. Adjustable insertion depth up to 12” ensures sensor is in flow for best results. Designed in CPVC for a user friendly cost compared to expensive stainless models, the S675 assembly is well suited for most water and wastewater treatment applications. Incorporates optional automatic temperature compensation (ATC) with 1000Ω RTD. Supplied with 10 foot cable. Kit also includes (1) S656CD Flat Surface pH Cartridge. The BV-1 Ball Valve (sold separately) facilitates removal from system without need for shutdown.
    • Durable CPVC design is suitable for most applications
    • Remove sensors for cleaning and maintenance without system shutdown
    • Easy installation
    • One year limited warranty
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  • pH electrode
    Our S222 series of pH sensors are flexible for light-duty in-line or submersion online pH monitoring and control applications. Replace sensors in seconds with the quick disconnect BNC design. The kit includes S222CD pH electrode and S653 Cable Assembly. S653 cable assembly comes equipped with 1/2" NPT threads for easy submersion installation. For in-line use, install with a 3/4" mounting gland (Sensorex FC75P; sold separately).
    • Reliable performance in light-duty applications: Recessed bulb design ensures reliable performance
    • Lightning fast sensor changes: Modular design allows replacement cartridges to be changed in seconds without tools
    • Perfect for pressurized applications: Sealed, no maintenance reference design
    • Low total cost of ownership: All mounting hardware is reuseable. Only replace the quick-change sensor cartridge
    • One year limited warranty: We stand behind all our products with the Sensorex Guarantee
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  • pH Sensor Mounting Gland (3/4")
    Our FC75P Mounting Gland are an easy and economical means for mounting pH sensors for in-line applications.  Compatible with all 12mm electrodes, including S222CD Light-Duty Online Process pH Sensor. For Flow Tee See FC75c
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  • Light Duty pH Sensor
    Our S222 series of pH sensors are flexible for light-duty in-line or submersion online pH monitoring and control applications. Replace sensors in seconds with the quick disconnect BNC design. For use with the S653 series cable assembly, which comes equipped with 1/2" NPT threads for easy submersion installation. For in-line use, install with a 3/4" mounting gland (Sensorex FC75P; sold separately). For complete kit, purchase S222CD Light-Duty Online Process pH Sensor Kit.
    • Reliable performance in light-duty applications
    • Lightning fast sensor changes with simple quick disconnect BNC design
    • Perfect for pressurized applications
    • All mounting hardware is reuseable. Only replace the quick-change sensor cartridge
    • One year limited warranty
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  • differential ORP sensor
    Our SD7000 differential ORP sensor offers unsurpassed ORP measurement accuracy by minimizing reference junction fouling and eliminating ground loops. The SD7000 series delivers greater reliability and less required maintenance than a conventional combination ORP sensor. Extended sensor lifetime can be achieved by replacing the sensor reference (salt bridge). Reliably measures ORP in environments with rapid temperature changes with built-in quick response automatic temperature compensation (ATC).
    • Reliable measurement performance: True differential ORP measurement technology using solution ground
    • Direct-fit Compatibility: Replacement sensor for several popular Hach® & Water Analytics® models
    • Perfect for pressurized applications: Sealed, no maintenance reference design
    • Built for difficult applications: Constructed of chemically-resistant Ryton Polyphenylene Sulfide (PPS)
    • Two year limited warranty: We stand behind all our products with the Sensorex Guarantee
    * Hach is a registered trademark of Danaher. No affiliation, endorsement or sponsorship is stated or implied.
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  • ORP probe for measuring ORP online
    Moderately contaminated water, such as industrial source water or natural water resources, may contain chemicals and debris that damage ORP probe components. Continuous monitoring in these types of applications requires a durable and low maintenance ORP probe. Our S272 series of ORP probes feature a double junction design to protect the reference cell from contamination by sample components that interact with silver. The flat measurement surface is self-cleaning and resists breakage, for minimal maintenance.
    • Reliable performance in demanding applications
    • Extended sensor lifetime
    • Versatile design for submersion or in-line mounting
    • One year limited warranty
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  • chlorine dioxide maintenance kit
    Keep your chlorine dioxide amperometric sensors running for extended lifetime and improved accuracy using this chlorine dioxide maintenance kit. Compatible with CLD Series Chlorine Dioxide Amperometric Sensors. This kit includes:
    • (1) replacement membrane cap
    • (1) replacement pressure relief band
    • (2) 30mL bottles of electrolyte refill solution
    • (2) 10mL syringes
    • (3) polishing squares
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  • free chlorine maintenance
    Keep your free chlorine amperometric sensors running for extended lifetime and improved accuracy using this free chlorine maintenance kit. Compatible with FCL Series Free Chlorine Amperometric Sensors. This kit includes:
    • (1) replacement membrane cap
    • (1) replacement pressure relief band
    • (2) 30mL bottles of electrolyte refill solution
    • (2) 10mL syringes
    • (3) polishing squares
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  • chlorine dioxide sensor
    Our dependable chlorine dioxide sensor features amperometric measurement technology. Designed for use in disinfection applications. Sensor directly outputs a 4-20mA signal for easy control system integration. Maximize sensor lifetime by easily replacing membrane cap and fill solution (FCLA-5018). Use with FC72 Flow Cell is highly recommended. An optional flow meter (FM001 Flow Regulator) is available to provide consistent flow for added system stability.
    • Reliable amperometric sensor technology
    • Real time continuous measurement
    • Integrated automatic temperature compensation
    • Maximum sensor lifetime
    • One year limited warranty
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  • ORP Calibration Solution with Quinhydrone
    The B125 ORP Calibration kit can be used for a simple calibration of both pH and ORP sensors. Use this kit for pH calibration, then convert the pH buffers into stable ORP buffers by saturating with quinhydrone. The B125 ORP calibration kit is a complete, ready-to-use package and can be used for up to 30 calibrations.
    • Simple calibration of pH and ORP simultaneously
    • Fast response time
    • Mix and prepare the calibration buffers in seconds
    • Instantly ready for use and ships with plastic beakers and stirring sticks
    • One year shelf life guaranteed
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  • Conductivity Probe Sensor
    Used for Laboratory and Light Industrial Applications: Cell constants are made from graphite to provide good performance for the value. Configurable to Meet Your Exact Needs: 
    • Select from our options below for a quick delivery or fill out the contact us form at the bottom for a custom product!
    • Choose your cell constant, temperature compensation, cable lengths, and connectors
    Multiple Use Cases
    • Submerge in a tank or mount in-line in a pipe.
    • Compatible with Sensorex's CM1000 and most portable/bench-top meters
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  • Replacement ORP Sensor
    Our S8000 series of ORP deliver the most reliable online ORP monitoring in a unique, modular package that minimizes total cost of ownership. These sensor cartridges can be changed in a few seconds with no tools or re-wiring required. Extended sensor lifetime with ERP Reference System.
    • Reliable performance in demanding applications
    • Lightning fast sensor changes with no tools required
    • Extended sensor lifetime
    • All mounting hardware is reuseable. Only replace the quick-change sensor cartridge
    • One year limited warranty
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  • conductivity calibration solution
    Our TDS / Conductivity Calibration Standards are prepared to NIST (National Institute of Standards and Technology) primary solutions standards. Both Mixed Salts and Single Salt solutions are available. A NIST certificate is also available for a nominal charge. Solutions are supplied in quart bottles (946 ml) and are ready for immediate use. Both the TDS and the conductivity values are listed on the label. Shelf life is guaranteed for a year, and each solution is supplied with a MSDS sheet.
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  • free chlorine sensor
    Chlorine exists in different chemical forms in solution, including free chlorine (hypochlorite ion and hypochlorous acid) and combined chlorine. Free chlorine is the only form that can perform disinfection, so knowing free chlorine concentration is critical for applications like water and wastewater treatment. FCL free chlorine sensors from Sensorex provide a direct measurement of free chlorine in parts per million (ppm). Using field tested amperometric technology, our FCL sensors perform continuous monitoring without any additional reagents. With a direct 4-20mA output, the FCL sensors can be used with any instrument accepting a 4-20mA input or connected directly to a PLC or SCADA.
    • Direct free chlorine measurement in parts per million (ppm)
    • No reagents requried
    • Direct 4-20mA output
    Recommended accessories:
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  • Ideal for Heavy Duty Applications
    • Made from 316 Stainless Steel and PEEK
    • Robust single body design
    Multiple cell constants. temperature/pressure ratings and insertion lengths
    • 2 options for cell constants: 0.1/cm and 1.0/cm
    • 3 options of increasing temperature and pressure ratings
    • 2 options for insertion lengths: standard and extended
    Ultra-high temperature version ideal for boiler applications
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  • Toroidal Conductivity Transmitter Without Display
    Our TCSMA online toroidal conductivity transmitter without display is built for water treatment monitoring and aggressive process chemical applications. Ideally suited for applications in which 4-20mA signals are required and reliable performance is critical. The unit features isolated outputs with user-programmable temperature compensation. Durable construction with enclosure rated at NEMA 4X (IP65). Simple installation for wall, pipe, panel, or rail mounting. Use with TCS3020 Toroidal Conductivity Sensor for online conductivity monitoring with minimal maintenance.
    • Reliable process monitoring: Monitor conductivity using proven inductive measurement technology
    • Simple system integration: Loop-powered (16-35V DC) with isolated 4-20mA output signal
    • Perfect for use in all environments: LCD display with NEMA 4X, IP65 enclosure
    • For use with toroidal conductivity sensors: Online conductivity measurement with minimal maintenance
    • One year limited warranty: We stand behind all our products with the Sensorex Guarantee
    *Note: If you require local display, choose the SensoPRO Toroidal Conductivity Monitoring System or the TCSTX Toroidal Conductivity Transmitter with Graphical Display.
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  • water flow regulator
    Our FM001 Flow Regulator allows for simple flow control, and is recommended for use with the FCL Series Free Chlorine Sensors and CLD Series Chlorine Dioxide Sensors when integrated with the FC72 Flow Cell. Provides precision flow control from 0.1 to 1.0 gpm (0.5 to 4.0 l/min) with 94% accuracy (full-scale range).
    • Facilitates high-accuracy measurements of free chlorine and/or chlorine dioxide
    • Precision flow controlfrom 0.1 to 1.0 gpm
    • Simple installation
    • One year limited warranty
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  • Free Chlorine Flow Cell
    Our FC72 flow cell facilitates high-accuracy measurements of free chlorine and chlorine dioxide by preventing air bubble formation on the sensor membrane while maintaining laminar flow across the membrane. Compatible with FCL Series Free Chlorine Sensors and CLD Series Chlorine Dioxide Sensors.
    • Facilitates high-accuracy measurements
    • Simple Sensor Installation
    • For use with Sensorex FCL Series Free Chlorine and CLD Series Chlorine Dioxide Sensors
    • One year limited warranty
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  • Ideal for Light Industrial Process Applications
    • Keyed flange ensures proper orientation for best results
    • Temperature compensation ensures optimal performance
    Reduce Maintenance Costs
    • Quick-disconnect cable to allow for cables to remain in place
    • Flat measurement surface resists coating
    • Calibrations are even faster when used with Sensorex Electronic Modules
    Smart Sensor-Capable via Sensorex Electronic Modules (Sold Separately) 
    • Purchase with EM802-EC Module - sold separately
    • Use with S856 Cable (Option FC)
    • USB Converter for Smart Sensors (S857 - sold separately) recommended for calibration and set-up
    For first time installations, select appropriate cable length and purchase FC875/T Flow Cell separately (shown under accessories).
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  • Toroidal conductivity meter
    Our TCSTX online toroidal conductivity meter and 4-20mA transmitter is built for water treatment monitoring in aggressive chemical and coating applications. The unit features isolated outputs with user-programmable temperature compensation. Durable construction with enclosure rated at NEMA 4X (IP65). Simple installation for wall, pipe, panel, or rail mounting. Use with our TCS3020 Toroidal Conductivity Sensor for online conductivity monitoring with minimal maintenance.
    • Reliable process monitoring
    • Simple system integration
    • Perfect for use in all environments
    • For use with toroidal conductivity sensors
    • One year limited warranty
    Note: Transmitter is only compatible with sensors with tinned leads.
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  • Hot Tap Insertion
    Users installing into large tanks, large process lines and scrubber lines will appreciate this hot tap assembly to simplify installation. Adjustable insertion depth up to 12” ensures sensor is in flow for best results. Designed in CPVC for a user friendly cost compared to expensive stainless models, the S675 assembly is well suited for most water and wastewater treatment applications. Incorporates optional automatic temperature compensation (ATC) with 1000Ω RTD. Supplied with 10 foot cable. Designed for use with our S656CD Flat Surface pH Cartridge and BV-1 Ball Valve to facilitate removal from system without need for shutdown.
    • Durable CPVC design is suitable for most applications
    • Remove sensors for cleaning and maintenance without system shutdown
    • Easy installation
    • One year limited warranty
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  • cpvc ball valve
    Our BV-1 full port 1” ball valve is designed for use with our S675 Series Wet Tap Insertion Assemblies and S656CD pH Sensors. The BV1 mounts a pH sensor in pressurized lines or the sidewall of tanks. Sensors can be retracted for service without shutting down lines or the need to empty tanks. Constructed of durable CPVC.
    • Remove sensors for cleaning and maintenance without system shutdown
    • Full 1" port design is compatible with Sensorex insertion assemblies and sensors
    • One year limited warranty
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  • sensor cartridge housing
    Sensor cartridge housing for use with S8000 series pH and ORP electrodes. Available with integrated automatic temperature compensation and solution ground. Reduce operating costs of pH sensors by using the modular S8000 platform - only the sensor cartridge must be replaced. For use in submersion or in-line installations.
    • Modular design lowers overall pH sensor cost
    • Easy installation
    • Solution ground available for eliminating measurement errors caused by reference ground potentials
    • Compatible with all Sensorex S8000 Series pH and ORP sensor cartridges
    • One year limited warranty
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  • ATC cable assembly
    The 855 is a shielded, low-noise cable assembly for our S8000 series pH and ORP sensors with Automatic Temperature Compensation (ATC). This ATC cable assembly has 3/4" NPT thread for inline or submersion installations. Click this link for our shielded, low-noise cable assembly without temperature compensation (S853).
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  • ATC cable assembly
    The 855 is a shielded, low-noise cable assembly for our S8000 series pH and ORP sensors. This cable assembly has 3/4" NPT thread for inline or submersion installations. Click this link for our shielded, low-noise cable assembly with automatic temperature compensation ATC (S855).
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  • differential sensor refill solution
    Chemical processing, industrial water and wastewater applications can be challenging environments for a pH sensor. Chemicals from the process mix with the reference electrolyte solution, changing the chemistry and leading to erratic readings. Fortunately, our differential pH and ORP sensors feature buffered reference electrolyte (SDS-7050), which can be replaced or refilled when needed. Also compatible with other brands, including Hach* and Water Analytics*. Contains 500mL.
    • Internal fill solution for SD7000, SD7420, and SD7500 sensors
    • Compatible with popular Hach & Water Analytics 5-wire differential pH & ORP models
    • We stand behind all our products with the Sensorex Guarantee and one year warranty
    *Hach is a registered trademark of Danaher. Water Analytics is a registered trademark of Water Analytics. No affiliation, endorsement or sponsorship is stated or implied.
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  • ph simulator
    pH and ORP measurement loops can be difficult to troubleshoot unless you have the right tools. Our CAL-C110 simulator mimics the signal of a perfect pH or ORP sensor. No need to throw away good sensors when the issue may be the interconnection cables or pH/ORP instrument. The simulator costs less than most pH or ORP sensors. It can easily pay for itself the very first time you consider disposing of a perfectly good sensor. Allows the user to identify the sensor, cable, meter, preamplifier, or controller as the cause of the problem.
    • An essential tool for troubleshooting pH and ORP systems
    • Compatible with most pH and ORP systems using BNC connectors
    • Simulate high impedance loads
    • Instantly ready for use and includes 9V battery
    • One year limited warranty
     
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  • online process ph sensor
    Our S272 series of pH sensors deliver reliable online pH monitoring for in-line or submersion installation configuration. Extended sensor lifetime with double-junction technology. Minimal maintenance required due to flat glass measurement surface. A versatile sensor for moderate and multi-purpose applications.
    • Reliable performance in demanding applications
    • Extended sensor lifetime
    • Versatile design for submersion or in-line mounting
    • One year limited warranty
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  • strantrol orp
    Our S420 series of ORP sensors deliver reliable online ORP (REDOX) monitoring as a direct-fit replacement for Strantrol* W2T3067 or W2T3068. Extended sensor lifetime is achieved through a large electrolyte reservoir. Durable CPVC construction with built-in protection for the pH measuring surface. Booted BNC connector included with optional cable lengths. Compatible with all ORP meters accepting a BNC connector.
    • Reliable measurement performance
    • Direct-fit Compatibility
    • Perfect for pressurized applications
    • Instantly ready for use
    • One year limited warranty
      * Strantrol is a registered trademark of Evoqua Water Technologies LLC. No affiliation, endorsement or sponsorship is stated or implied.
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  • Strantrol pH Sensor
    Our S420 series of pH sensors deliver reliable online pH monitoring as a direct-fit replacement for Strantrol* W2T4677 or W2T4675. Extended sensor lifetime is achieved through a large electrolyte reservoir. Durable CPVC construction with built-in protection for the pH measuring surface. Booted BNC connector included with optional cable lengths. Compatible with all pH meters accepting a BNC connector.
    • Reliable measurement performance
    • Direct-fit Compatibility
    • Perfect for pressurized applications
    • Instantly ready for use
    • One year limited warranty
      * Strantrol is a registered trademark of Evoqua Water Technologies LLC. No affiliation, endorsement or sponsorship is stated or implied.
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  • acu-trol orp sensor for pentair controller
    Our S465 series of ORP sensors deliver reliable online ORP (REDOX) monitoring as a direct-fit replacement for Acu-Trol* 744000330 (AKORP-FB) platinum or 744000390 (AKORG-FB) gold ORP sensors. Extended sensor lifetime is achieved through a large electrolyte reservoir. Durable PPS construction with built-in protection for the pH measuring surface. Booted BNC connector included with optional cable lengths. Designed for use with Acu-Trol® controllers AK110, AK600, AK2100.
    • Reliable measurement performance
    • Direct-fit Compatibility
    • Perfect for pressurized applications
    • Instantly ready for use
    • One year limited warranty
      * Acu-Trol is a registered trademark of Pentair. No affiliation, endorsement or sponsorship is stated or implied.
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  • acu-trol ph sensor
    Our S465 series of pH and ORP sensors deliver reliable online pH monitoring as a direct-fit replacement for Acu-Trol* 744000260 (AKpH-FB) pH sensor. Extended sensor lifetime is achieved through a large electrolyte reservoir. Durable PPS construction with built-in protection for the pH measuring surface. BNR connector. Designed for use with Acu-Trol® controllers AK110, AK600, AK2100.
    • Reliable measurement performance
    • Direct-fit Compatibility
    • Perfect for pressurized applications
    • Instantly ready for use
    • One year limited warranty
      * Acu-Trol is a registered trademark of Pentair. No affiliation, endorsement or sponsorship is stated or implied.
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