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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 SG1041CD/BNC 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 SG1041CD/BNC 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

Resistant to Corrosion, Coating, and Fouling Noryl body provides wide solvent tolerance and is stable up to 105° C Robust single-body design Wide Measurement Range Measures conductivity from 0 – 2,000,000 uS

MODBUS/RS485 Interface for conductivity sensors The EM805-EC is our most cost-effective solution for connecting our S8000 series Contacting Conductivity sensors to a PLC or SCADA system. This small electronic module functions as a blind transmitter with a 4-20mA or MODBUS/RS485 output. No additional instrumentation is required to condition the sensor signal to be read by your PLC or SCADA. It can also be used to pair Sensorex sensors with any controller that has a 4-20mA or RS485 input card. Easily connects to our CS300 Modular Contacting Conductivity Sensor Cartridge and S856 cable to form a complete monitoring solution. Blind 4-20mA or MODBUS/RS485 transmitter for connecting conductivity sensors to PLC or SCADA Small form factor saves valuable panel space Input Voltage Options: 12V DC –

The Sensorex SSRE is used to convert any Sensorex sensor to a smart sensor. It allows for communication in 4-20 mA and modbus. It comes in two variations: (1) DIN rail and (2) UL Enclosure.

The GT/GG/GC sensors are great for testing samples with high temperatures such as industrial wastewater. A double salt ring reference design ensures constant refence concentration for increased stability over time.

The EM805 is our most cost-effective solution for connecting our S8000 series pH and ORP sensors to a PLC or SCADA system. This small electronic module functions as a blind ORP transmitter with a 4-20mA or MODBUS/RS485 output. No additional instrumentation is required to condition the sensor signal to be read by your PLC or SCADA. It can also be used to pair Sensorex sensors with any controller that has a 4-20mA or RS485 input card. Blind 4-20mA or MODBUS/RS485 module for connecting ORP sensors to PLC or SCADA Input Voltage Options: 12V DC – MODBUS only 24V DC – 4-20mA & MODBUS Small form factor saves valuable panel space Compatible with S8100 submersion pH and ORP sensors Compatible with PT1000 RTD temperature compensation

The pH Detectors are designed for use with a variety of instrumental techniques such as FIA, HPLC and IEF and are also used to continuously monitor the pH of low volume flows in bench scale chemical systems. The pH detector system is specially designed to achieve ultra fast response times. A  flat surface pH electrode  (S450CD) located at the top of the flow cavity allows for very low internal volumes. The resulting rectangular cross-section flow path has no protruding parts which could interfere with a clean sweeping flow. pH Detector system for HPLC, FIA, and IEF applications Perfect for low volume flow measurements Ultra fast response time Flow cell and inlet/outlet fittings included

Sensorex provides specialty pH electrodes in a variety of diameters and lengths.

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

The CX10 is a convenient and cost effective solution for monitoring conductivity or resistivity of water. Save space in your panel with the small footprint 1/8 DIN case. This EC transmitter displays conductivity or resistivity readings on an easy to read LCD screen. The 4-20mA signal output can be conveniently integrated into a range of process control systems. Easy to install 1/8 DIN Case Isolated, reversible 4-20mA output Compatible with sensor utilizing spade lug or tinned lead connectors Clear LCD displays conductivity, resistivity, or temperature 100-240 VAC power supply Note: This EC transmitter is only compatible with sensors that have spade lug or tinned lead connectors and 10k NTC temperature compensation.

The new SensoLab Series Benchtop pH/ORP Meter is the perfect solution for a range of applications from instructional chemistry laboratories to quality control testing. Our waterproof pH and ORP meter helpfully prompts you through the calibration and measurement procedures, and includes the optional AUTOLOCK feature to ensure repeatable and reliable pH and mV measurements. This versatile meter can be powered in two ways, either with 6 AAA batteries to save your valuable bench space or with an AC power cable. Use with any of our Laboratory pH Eletrodes  or ORP Sensors . Or you can check out our SensoLab pH Meter Kit for a complete pH measuring solution.

Users installing into large tanks, large process lines and scrubber lines will appreciate this flat surface self cleaning pH sensor for use with our S675 hot tap (aka wet tap or insertion) assembly. The sensor features flat surface, self-cleaning pH glass for extended maintenance cycles. Protective feet protect against breakage against ball valve or side walls. A unique feature of this sensor is mounting orientation. It can be mounted in any direction whereas most pH sensor should be mounted 5 degrees above the horizontal plane. With the quick disconnect BNC, sensors can be changed in seconds should replacement be required. Designed for use with our S675 Assembly and a BV-1 Ball Valve for a complete hot tap pH measurement solution. Reliable CPVC construction Remove sensors for cleanin

Our S8000 series of pH deliver the most reliable online pH 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

The PHAMP-1 is a battery-powered unity-gain preamplifier that allows the user to run cables up to 1000 feet between the electrode and pH or ORP controller, transmitter, or meter. Simply plug in any pH or ORP electrode equipped with a BNC connector, plug in the extension cable and your system is ready for use. Extend pH or ORP electrode signals up to 1,000 feet Compatible with any pH/ORP electrode with a BNC connector Instantly ready for use

Turn any 12mm probe into an insertion probe. Our FC75C Flow Cell Kit is 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 . To only purchase the gland, please purchase the FC75P    

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

Our CX2000 is a fully-featured conductivity controller and 4-20mA transmitter for reading contacting conductivity sensors and programming process control. Set points are easily selected for 2 relay outputs and 1 wash control. Sensor calibration is simple with preset standards. The large LCD display features auto-sense back-light technology for use in all environments, including cooling tower controller applications. Reliable process control Lightning fast sensor calibration Perfect for use in all environments Compatible with a wide variety of sensors One year limited warranty Note: Transmitter is only compatible with sensors with tinned leads and either 30k NTC or Pt1000Ω RTD temperature compensation.

Our CX3100 Conductivity Controller is an excellent choice for high temperature, high pressure applications. Compatible with our CS675 , CS676 , and CS700 stainless steel conductivity probes, the CX3100 is the only Sensorex controller with automatic temperature compensation up to 200°C. The CX3100 replaces the Sensorex CX3000, and features an updated user interface with user friendly full text and graphical display. Monitors conductivity, resistivity, TDS, or salinity 1/2 DIN Transmitter/Controller with full text and graphical display Ideal for use in high temperature applications (with stainless steel conductivity probes ) Automatic temperature compensation up to 200°C (PT1000 RTD)

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

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 installat

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 S550CD-ORP/BNC 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

Our modular, quick disconnect S8000 sensor packages let you replace the sensor in a few seconds with no tools or re-wiring required.

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 S350CD/BNC 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 BNC protects meter connection One year limited warranty

The Sensorex S200C/BNC is one of our most popular laboratory pH electrodes, due to its reliability and low maintenance design. The S200C/BNC features a durable Ultem ® body for superior chemical compatibility. Durable and chemically compatible Ultem ® body Reliable and accurate over the full range of pH measurements No refilling or maintenance required with sealed gel-filled design Instantly ready for use, and has one year guaranteed shelf life One year limited warranty

Continuous online ORP monitoring in applications like metal finishing and chrome waste treatment wears down ORP sensors, leading to reference contamination. A differential ORP probe utilizes three electrodes instead of two, which extends the sensor’s working lifetime in challenging applications. Replacing the sensor reference ( salt bridge ) and buffered electrolyte solution can prevent sensor replacements, saving time and money. The SD7500CD-ORP is a self-powered differential ORP probe, allowing use with any conventional ORP transmitter. Differential measurement technology with solution ground Buffered electrolyte reference resists fouling Compatible with any conventional pH/ORP transmitter Replaceable double junction salt bridge Refillable reference solution Two Year limited Wa

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 SG350CD/BNC, 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 SG350CD/BNC 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

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 SG201C/BNC 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