General Monitors

16 products found

Products

  • Gas Detectors

    General Monitors offers the most broad range of gas sensing technologies on the market today - electrocatalytic, point infrared, open path infrared, metal oxide semiconductor (MOS), electrochemical, ultrasonic, and photoacoustic.

  • Model S4000CH  - Intelligent Combustible Gas Detector

    Model S4000CH - Intelligent Combustible Gas Detector

    The Model S4000CH Intelligent Sensor is a microprocessor-based transmitter designed for use with General Monitors' robust catalytic bead sensors. The unit features one person calibration and can virtually self-calibrate by simply activating a magnetic switch and applying gas. It is designed to monitor combustible gases and vapors within the lower explosive limit (LEL) and provide status indication and alarm outputs. Complies with ANSI/ISA...

  • Model S4100C  - Intelligent Combustible Gas Sensor (EU)

    Model S4100C - Intelligent Combustible Gas Sensor (EU)

    The Model S4100C Intelligent Sensor is a microprocessor-based transmitter with integral three-digit readout. It is designed to measure and display concentrations of combustible gases in the 0-100% LEL range, but will continue to display concentrations up to 120% LEL. The sensing element may be incorporated in the transmitter housing or remotely mounted at distances of 600 meters. The S4100C will record the number of successful calibrations, compute...

  • Model IR400 - Infrared Point Gas Detector (IR)

    Model IR400 - Infrared Point Gas Detector (IR)

    The Model IR400 Infrared (IR) Point Detector is a microprocessor-based hydrocarbon gas detector that continuously monitors combustible gases and vapors within the lower explosive limit (LEL) and provides alarm indication. All electronics are contained within an explosion-proof housing so that the IR400's detector information can be processed locally. The IR400 operates with a 4-20mA signal, which is proportional to 0 to 100% LEL gas concentration at...

  • Model IR5500 - Open Path Infrared Gas Detector

    Model IR5500 - Open Path Infrared Gas Detector

    The Model IR5500 is an open path IR gas detector that provides continuous monitoring of methane and propane gas concentrations. The system consists of an IR source and receiver which continuously monitors for methane in both the 0 to 5000 ppm•meter and 0 to 5 LEL•meter range. A 0 to 2000 ppm•meter and 0 to 1 LEL•meter range is also available for monitoring propane. The IR5500 provides two 4 to 20 mA analog signals proportional to...

  • Model 580A - Dual-Channel Combustible Gas Monitor

    Model 580A - Dual-Channel Combustible Gas Monitor

    The 580A is a compact, highly-versatile system for continuously monitoring combustible gas (hydrocarbon) concentrations in two locations. The system consists of two remote catalytic bead gas sensors and a solid-state controller. The controller automatically displays the higher reading channel on a digital display, scaled from 0-100% LEL (lower explosive limit). Manual override switching permits readout of the low channel at any time.

  • Model 610A  - Four Channel Combustible Gas Monitor

    Model 610A - Four Channel Combustible Gas Monitor

    The Model 610A is a system for continuously monitoring combustible gas (hydrocarbon) concentrations in four locations. The system consists of four remote catalytic sensing assemblies and a solid-state controller. The controller features four independent channels, each having its own circuitry. The 610A features a digital display of gas concentrations in % LEL (0-99% lower explosive limit) for each channel.

  • Model S4000TH - Hydrogen Sulfide (H2S) Gas Detector

    Model S4000TH - Hydrogen Sulfide (H2S) Gas Detector

    The Model S4000TH Intelligent Sensor is a microprocessor-based transmitter designed for use with General Monitors' thin film metal oxide semiconductor (TFMOS) sensors. This unit features one person calibration and can virtually self-calibrate by simply activating a magnetic switch and applying gas. It is designed to detect hydrogen sulfide in parts per million (ppm) levels and provide status indication and alarm outputs.

  • Model TS4000H - Toxic Gas Detector

    Model TS4000H - Toxic Gas Detector

    The Model TS4000H Intelligent Toxic Gas Detector continuously monitors a variety of toxic gases in the ppm range, delivering highly accurate detection and protection. The unit features one person calibration and can virtually self-calibrate by simply activating a magnetic switch and applying gas. It provides status indication and alarm outputs. Configurations with relays, Modbus, and HART are available to meet many needs

  • Gassonic - Model Observer-H - Ultrasonic Gas Leak Detector

    Gassonic - Model Observer-H - Ultrasonic Gas Leak Detector

    The Gassonic Observer-H detects gas leaks by sensing the airborne ultrasound emitted from leaking gas at high pressure. Ultrasonic gas detection is based on robust and proven microphone technology and designed for long and failsafe operation in extreme environmental conditions. Because the Gassonic Observer-H responds to the source of a gas release rather than the dispersed gas, it is unaffected by changing wind directions, gas dilution, and the...

  • Model IR700 - Point IR Carbon Dioxide Gas Detector

    Model IR700 - Point IR Carbon Dioxide Gas Detector

    The Model IR700 Infrared (IR) Point Detector is a microprocessor-based carbon dioxide gas detector that continuously monitors for CO2 in ppm levels. All electronics are contained within an explosion-proof housing so that the IR700's detector information can be processed locally. The IR700 operates with a 4-20 mA signal, which is proportional to 0 to 100% full scale. Configurations with analog output, Modbus and HART are available. Modbus and HART data...

  • Model S4100T - H2S Addressable Transmitter

    Model S4100T - H2S Addressable Transmitter

    The S4100T Intelligent Sensor is a highly reliable, self-contained, microprocessor-controlled hydrogen sulphide transmitter with integral 3 digit readout. It is designed to measure and display concentrations of H2S in the 0-20 ppm, 0-50 ppm or 0-100 ppm range, but will continue to display concentrations up to 120% FSD. The sensing element may be incorporated in the transmitter housing or remotely mounted at distances of 600 meters. The sensor employs...

  • Model TS4000H - H2S Electrochemical Gas Detector

    Model TS4000H - H2S Electrochemical Gas Detector

    The Model TS4000H Intelligent Toxic Gas Detector continuously monitors hydrogen sulfide (H2S) in several ppm ranges, delivering highly accurate detection and protection. The unit features one person calibration and can virtually self-calibrate by simply activating a magnetic switch and applying gas. It provides status indication and alarm outputs. Configurations with relays, Modbus, and HART are available to meet many needs.

  • Gassonic - Model Surveyor - Ultrasonic Gas Leak Detector

    Gassonic - Model Surveyor - Ultrasonic Gas Leak Detector

    The Gassonic Surveyor detects gas leaks by sensing the airborne ultrasound emitted from leaking gas at high pressure. Ultrasonic gas detection is based on robust and proven microphone technology and designed for long and failsafe operation in extreme environmental conditions. Because the Gassonic Surveyor responds to the source of a gas release rather than the dispersed gas, it is unaffected by changing wind directions, gas dilution, and the direction...

  • Model PA4000 - Photoacoustic Gas Monitor

    Model PA4000 - Photoacoustic Gas Monitor

    The stable, durable PA4000 Photoacoustic Infrared Gas Monitor is purpose-built and detects minute amounts of a wide variety of gases. Three different enclosure styles ensure there is a configuration for wildly different situations. The instrument typically draws the gas sample via an internal pump, which allows the unit to be mounted in a convenient location if the area to be monitored is inaccessible. The unit can be expanded to monitor up to 8...

  • Model Second Sight TC - Remote Gas Imaging Detection System

    Model Second Sight TC - Remote Gas Imaging Detection System

    Second Sight TC is a remote gas detection system developed by Bertin Technologies for General Monitors. It is designed to provide an additional layer of safety in the detection of combustible and toxic gases. With its high resolution infrared (IR) sensing technology, Second Sight can simultaneously detect up to four different gases and detect gas clouds as small as 2 kg at 250 m. Second Sight requires no gas calibration in the field. An automatic...

  • Gassonic - Model Observer-i - Ultrasonic Gas Leak Detector

    Gassonic - Model Observer-i - Ultrasonic Gas Leak Detector

    Instantly detect pressurized gas leaks with this high-precision, omni-direction acoustic detector. Works even when traditional methods of gas detection are unsuitable or dependent on ventilation. Features Artificial Neural Network (ANN) technology that distinguishes between real gas leaks and false alarm sources without requiring any in-field training. This breakthrough technology provides an industry-leading detection range (30 m) reducing the number...