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Ergonomic, hand-held instrument for measuring carbon monoxide levels in breathing air tanks for diving

A low voltage monitor providing automatic fan control to help maintain acceptable levels of Carbon Dioxide

A low voltage monitor that provides three alarm levels using three separate relays for controlling external devices

Gas Detector makes compliance with refrigeration safety codes

Controller centralizes the status of 2 gas detectors to enable compliance with refrigeration safety codes

Provides combustible / heating gas detection in residential, multi-family and commercial office environments

Low voltage dual monitor detects Carbon Monoxide and Nitrogen Dioxide in commercial facilities

Gas detectors provides automatic control to help maintain an acceptable environment in parking garages or other applications

Utilizes digital communications to interface with a maximum of four remote digital QEL transmitter/sensors

Utilizes both digital and analog communications to interface with a maximum of 32 remote digital QEL transmitter/sensors, and 8...

RS 485 communication protocol that accommodates 128 channels through four digital ports, Modbus is standard, BacNet optional

Long range toxic gas detection up to 200ft (60m), high sensitivity and fast response, multiple output options

Standard LCD display, push-button programming and on-board meter jacks, 4-20 mA DC or 2-10 VDC

Monitor and alarm against ingress of hazardous gas concentrations into air intakes of turbine engines and HVAC air ducts

Xenon flash technology, detects wide range of gases, fast response, withstand severe environmental conditions

Provides continuous monitoring for combustible hydrocarbon gases, 7-200m detection range, built in event recorder

Class 1 Div 2, digital display of concentration, relay status, STEL, TWA and peak daily value of the gas detected

Utilizes catalytic pellistor bead technology, sensor is resistant to poisoning substances, explosion-proof housing rated Class 1,...

Robust, low cost, analog output, sensor elements have a typical life span of two to ten years

Two wire transmitters, sensor elements have a typical life of two to three years and are easily field replaceable

Sensor life of over ten years, includes a digital display, three user configurable relays, buzzer, horn/strobe output and...

Feature a LCD display of gas concentration, LED indication of each of the SPDT relays and TX/RX for BACnet communications

Feature a LCD display of gas concentration, LED indication of each of the SPDT relays and TX/RX for the RS-485 or Modbus communications

Sight flow transmitter, clear polycarbonate cover

Sight flow transmitter, 316 stainless steel cover.

Optional Hall Effect magnetic output packages to combine visual confirmation of flow with optional remote flow monitoring

flow transmitter that combines our popular 100 Series Sight Flow Indicator with our A-711T output sensor for visual & remote...

Transmitter provides single channel interface, multi-parameter input selection

Two channel transmitter/controller can support two sensors of same or different types in one instrument

Thermal Dispersion Flow Switches for Liquids

Economical Brass Flow Switches

Compact Fan and Filter Fan Air Flow Monitor

Thermal Dispersion Flow Switches for Use With Gases

Flow Alert Single Sensor Controller

Economical Air Flow Switch

Flow Switch With Compact Relay Controller

Paddle Flow Switch

Liquid Flow Transmitter and Switch

Industrial Flow Switches - From 2 to 15 Feet/second

Industrial Flow Switches From 0.12 to 70 GPM Non-magnetic - ideal for Rusty Water

Flow Switch Remote Controller

Non-Mechanical, Low Pressure Drop, Large Pipe Sizes

Adjustable Switch Point, LED Indication

Continuous frequency output

NEMA 4X design, features a free swinging vane and magnetic linkage; UL approved

Magnetically actuated switching design, leak proof body, operating pressures up to 150 PSIG with temperatures to 212°F

Weather proof & explosion proof, easy intallation, features a free swinging vane

Non-invasive pipe flow measurement, compact and lightweight design, 4 - 20 mA and pulse output capabilities and easy operation