Liquid Analytical Instruments
Electro-Chemical Devices Model T28 Transmitter
The Model T28 microprocessor based two wire transmi1er is FM and CSA approved for Class I, II, and III Division I Groups A through G environments allowing installation in intrinsically safe and explosion proof applications. All parameter selections applications. All parameter selec0ons including calibra0ons are performed with a magnetic screwdriver to magnetic influenced keys through the front display window. The contrast adjustable LCD display module can be rotated for easy viewing in a variety of installation orientations. The Model T28 is available as a pH, ORP, pION, Dissolved Oxygen, Conductivity or Resistivity transmitter.

Electro-Chemical Devices Model T23 Transmitter
The Model T23 transmitter provides simplicity in a powerful package. This 24 VDC loop powered, 4-20mA transmitter is available in pH, ORP, pION, Dissolved Oxygen, Conductivity or Resistivity configurations. The Conductivity transmitter accepts either contacting or toroidal sensors and displays % concentration or ¥ìS, mS or siemens, the Resistivity transmitter ranges from 0 to 20 meg-ohms. Multi- Channel capability allows two sensor inputs, excluding Cond/Resistivity, with up to three 4-20 mA outputs. Other options include a 110/220 VAC power supply, dual 5 amp SPDT relays and PID control.

Electro-Chemical Devices Model S10 & S17 Sensors
The Universal Model S17 ball valve retractable sensor and the Model S10 insertion/ immersion sensor are modular field rebuildable sensors with a 3/4¡± O.D. outer housing, a signal conditioner and a measuring electrode. Available materials include 316 SS, titanium, Hastalloy C22, KYNAR, polypropylene, CPVC or Teflon. The signal conditioners minimize noise and permit signal transmission of up to three miles. The Models S10/17 provide application specific solutions for pH, ORP, pION, Dissolved Oxygen, Conductivity and Resistivity measurements. Torodial Conductivity sensors are 1¡± O.D.

Electro-Chemical Devices System 22 Smart Controllers
The System 22 Smart Controller, the C22, features ECD's advanced Multi-Bus architecture. The Multi-Bus design enables customization of up to four inputs and six outputs in a convenient 1/2 DIN NEMA 4X enclosure. Channel comparisons or measurement compensation, configurable conductivity concentration curves, the graphical display of data and PID control on the outputs or up to 8 optional SPDT relays are just a few of the powerful features in this easy to use instrument

Electro-Chemical Devices pH/DO/ORP Series Sensors
ECD offers a broad line of rebuildable pH Sensors designed for high accuracy measurement with the lowest total cost of ownership. Our pH Sensor designs have been proven in a wide variety of the most severe applications

The ECD Triton DO8 optical dissolved oxygen sensor combines the high technology of Fluorescence Quenching with a rugged, easy to install design. The DO8 provides the best solution for long term measurements in aeration basins, aquaculture and all types of environmental water.

The ECD Dissolved Oxygen (DO) sensor design is a simple, cost-effective approach that combines high performance with low life cycle costs where only the spent DO cartridge itself need be replaced.

The ECD ORP sensor is a simple, cost-effective design that combines high performance with low life cycle costs. The ORP sensor is designed without glass allowing for a wide range of harsh applications. ECD offers several rebuildable ORP sensors designed for high accuracy measurement with the lowest total cost of ownership. Our ORP sensors are designed without glass and have been proven in a wide variety of the most severe applications

Electro-Chemical Devices specific ION Series Sensors
The ECD pION (Selective Ion) sensor is a simple, cost-effective design that combines high performance with low life cycle costs. The pION sensor is designed for a wide range of applications. ECD offers reliable sensors to detect Ammonia, Ammonium, Bromide, Cadmium, Calcium, Chloride, Copper, Cyanide, Fluoride, Potassium, Sodium and Sulfide. Our wide selection of rebuildable pION sensors are designed for high accuracy measurement with the lowest total cost of ownership

Electro-Chemical Devices Conductivity and Resistivity Instruments
ECD offers a complete line of Conductivity and Resistivity Instrumentation. The conductivity sensors can be provided in contacting or non-contacting (toroidal) styles. This allows for reliable measurement over the complete range from one microSiemen (1 uS) to one Siemen (1,000,000 uS). The functional resistivity range is 0-20 Meg-ohm. The Model C22 Controller allows both conductivity and resistivity measurements providing a total control solution in a wide range of applications.

Electro-Chemical Devices Model TR8 Turbidity Analyzers
The Triton TR8 is a nephelometric turbidity sensor designed for use in water and wastewater. The Triton TR8 uses an optical method for determining the turbidity, a light beam is directed into the sample where it is scattered by suspended particles in the water. The Triton TR8 uses a long lived near infrared LED light source (880 nm) and the 90° scattered light method in accordance with ISO 7027 / EN 27027. The Triton TR8 sensor has self monitoring diagnostics along with a Factory Calibration stored in its memory that assures trouble free service. The TR8 Analyzer digitally communicates with the sensor and provides a 4-20 mA output and alarm relay.

Electro-Chemical Devices Chlorine Analyzers Series Free, Total & Dioxide Analyzers
Model FCA-22 Free Chlorine Analyzers
The Model FCA-22 Free Chlorine Analyzer provides on-line continuous measurement of free chlorine in most aqueous environments. ECD's advanced sensor and controller technologies allow installation and commissioning to be completed in just a few simple steps. The design criterion for the FCA-22 was high accuracy with a minimal maintenance requirement.

The Model TCA-22 Total Chlorine Analyzer is designed for use in drinking water, industrial cooling and rinse water, wastewater or other fresh water samples containing chlorine in the range of 0-20 ppm. The Total Chlorine Sensor (TCS) is a three electrode amperometric sensor that measures all chlorine species in the water, combined chlorine and free chlorine

The Model CDA-22 Chlorine Dioxide Analyzer is designed for use in drinking water, industrial cooling and rinse water, wastewater or other fresh water samples. The Chlorine Dioxide Sensor is a three electrode amperometric sensor that measures dissolved chlorine dioxide from 0.05 to 20 ppm ClO2

Electro-Chemical Devices HYDRA Nitrogen Analyzers
The HYDRA Nitrate Sensor is designed to monitor the nitrification process directly in the aeration basin or clarifier of a Waste Water Treatment Plant. The HYDRA uses ISE technology to measure the Nitrate and Chloride. Compensation for the chloride ion interference on the nitrate electrode is preformed automatically in the HYDRA C22 analyzer. Also available with an optional pH sensor

The HYDRA Ammonium Sensor is designed to monitor the nutrient load (NH4+) directly in the aeration basin of a Waste Water Treatment Plant. The HYDRA uses ISE technology to measure the ammonium, potassium and pH. Compensation for the pH dependant concentration equilibrium and potassium ion interference on the ammonium electrode are preformed automatically in the HYDRA C22 analyzer

Electro-Chemical Devices Model 2122 Cooling Tower System
The Model 2122 Cooling Tower Control System (CTCS) from ECD is an integrated system designed to control the acid feed, blow down and inhibitor/biocide feed to a Cooling Tower. Acid feed is controlled via pH, blow down is controlled via Conductivity (TDS) and inhibitor is fed on a user selectable timed basis. Both the period and dose time are easily configured by the user

Electro-Chemical Devices Model 61 Automatic Boiler Blowdown Control System
The Model 61 Automatic Boiler Blowdown Control System from ECD provides a reliable solution for the continuous control of the surface blowdown rate for commercial and industrial boilers. All system components, except the sample system, can be supplied in carbon steel, NEMA 4 cabinet

Electro-Chemical Devices Portable Instrumentation
ECD's portable analyzer / calibrator product lines are a simple convenient way to obtain fast, accurate pH, ORP or conductivity measurements. They provide a milliVolt output signal for fast field analysis of samples, calibration verification, or trouble-shooting of installed sensors.

Accessories
The R350D Remote Digital Display from ECD is a 3.5 digit LCD display that corresponds with any 4-20 mA or 10-50 mA current loop. The output display is adjustable to read any process variable within the numeric limits of -1999 to +1999
