Fixed Gas & Flame Detection

Chillgard® VRF Refrigerant Leak Detector

MSA Chillgard VRF Refrigerant Leak Detector is the first industry detector for Variable Refrigerant Flow Systems (VRF) with integrated BACnet capability. Therefore, it can be directly connected with any Building Management Systems (BMS). MSA applies its proven Photoacoustic infrared sensing technology that provides a stable zero baseline, minimizes cross-sensitivities and offers low cost of ownership through minimum maintenance required.
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SB100 Ultrasonic Bump Tester

The SB100 is a hand-held battery-operated rechargeable ultrasonic tester designed to bump test General Monitors ultrasonic gas leak detectors. The SB100 is useful for quick tests where physical access to the ultrasonic gas detector can be difficult. The unit can be used to bump test up to 18 meters away from the detector in Class 1, Div 1&2 hazardous areas.
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Series 47K

Designed to detect flammable gas or vapor, the stainless steel Series 47K gas sensors offer a cost-effective way to detect hazards in the air. The sensors come in poison resistant and high-temperature versions, and have three- or five-wire connection.
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Ultima® Controller

The Ultima Controller is purpose-designed and built to provide complete access to all advanced features of the Ultima and Ultima X Gas Monitors, as well as the Toxgard II Gas Monitor. Via its full-function and password-protected keypad, users can set the real time clock, set alarm levels, change span-gas values, display date of last calibration, display minimum, maximum and average gas values, change address and set future calibration time/date in addition to providing basic calibration functions
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Ultima® Calibrator

The Ultima Calibrator offers the industry's simplest, quickest calibration. Simple, three-button device is purpose-built for calibrating and changing the address of Ultima and Ultima X Gas Monitors and the Toxgard II Gas Monitor.
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S4100C Combustible Gas Detector

The S4100C Intelligent Sensor is a self-contained 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 up to 620 meters. The S4100C records the number of successful calibrations, computes the sensor output in mV during calibration and stores in non-volatile memory.
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FL3100H UV/IR Flame Detector

The FL3100H is an Ultraviolet / Infrared flame detector designed to detect fires and provide alarm outputs directly from the detector while maintaining false alarm immunity. It monitors in both the ultraviolet (UV) and infrared (IR) spectral ranges, making it highly immune to false alarms. Configurations with dual Modbus and HART are available. Modbus and HART data can be used for predictive maintenance. The flame detector's electronics are integral within its explosion-proof housing, allowing detector information to be processed locally.
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Zero Two Series Gas and Flame Detection System

Modular system offering the widest range of control cards for use in an integrated fire and/or gas detection system. The Zero Two Series system can monitor any combination of the following: combustible gas, H2S, toxic gas, ultrasonic, oxygen deficiency and flame detection. In addition, its open architecture allows the system to accommodate other sensing devices for tasks such as smoke detection, heat detection and manual call points. 
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FL3110 UV/IR Flame Detector (EU)

The FL3110 is an Ultraviolet/Infrared (UV/IR) flame detector designed to detect unwanted fires and provide alarm outputs directly from the detector while maintaining false alarm immunity. The FL3110's electronics are integral within its stainless steel explosion-proof housing, allowing detector information to be processed at the point of detection.  The electronics are fully separated from the Exe wire compartment offering protection during installation and service. 
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TA102A Single Channel Combustible Trip Amplifier Module

The TA102A is a single-channel Combustible Gas Trip Amplifier Module designed for use with one General Monitors intelligent transmitter to monitor combustible gases and vapors within the lower explosive limit (LEL) and provide status indication and alarm outputs. Microprocessor-based electronics allow all options to be user selectable through a front panel interface (mode / select switch and digital display). A digital display indicates fault codes and set up options. Other features include: LED indications of status, as well as both open collector and relay outputs for fault, low alarm and high alarm.
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4802A Zero Two Series Control Module for Combustible Applications

The 4802A is a single channel Combustible Gas Control Module that has been designed for use with our proven catalytic bead sensors. It is designed to monitor combustible gases and vapors within the lower explosive limit (LEL) and provide status indication and alarm outputs. Microprocessor-based electronics allow all options to be user selectable through the front panel interface. A digital display indicates gas concentration, fault codes, calibration cues and setup options. Other features: LED indications of status, as well as open collector and relay outputs.
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610A Four Channel Combustible Gas Monitor

The 610A is a system for continuously monitoring combustible gas (hydrocarbon) concentrations in four locations. The system consists of four General Monitors remote catalytic bead 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.
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Catalytic Bead Sensors

The General Monitors catalytic bead gas sensors are well known for their sensitivity, reliability and longevity and make them the first choice for most users of the catalytic oxidation gas detection principle. Every component is manufactured in-house to ensure optimum performance. Careful matching of the active and reference elements ("beads") result in a sensor that has negligible zero drift with respect to changes in humidity, pressure, and temperature.
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IR5500 Open Path Infrared Gas Detector

The IR5500 is an open path infrared (IR) gas detector that continuously monitors for flammable gas leaks over large open areas. It monitors in both the LEL-m and ppm-m ranges to detect both small and large leaks. The IR5500 offers the benefits of early detection with its high sensitivity to gas concentrations at the ppm levels.  This feature allows it to alarm faster than an LEL-only detector. Digital display and adjustable mounting arms ensure easy alignment. Factory calibrated for low-maintenance operation.
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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 sensing assemblies 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.
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Catalytic Bead Accessories

General Monitors offers a wide variety of accessories for our catalytic bead gas sensors.
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FL3100H-H2 UV/IR Flame Detector for Hydrogen Applications

The FL3100H-Hydrogen is an Ultraviolet / Infrared flame detector designed specifically to detect hydrogen (H2) fires and provide alarm outputs directly from the detector while maintaining false alarm immunity. It detects H2 fires by monitoring in both the ultraviolet (UV) and infrared (IR) spectral ranges, making it highly immune to false alarms. Configurations with dual Modbus and HART are available. Modbus and HART data can be used for predictive maintenance. The flame detector's electronics are integral within its explosion-proof housing, allowing detector information to be processed at the point of detection.
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TA202A Single Channel H2S Trip Amplifier Module

The TA202A is a single-channel H2S Trip Amplifier Module for use with our H2S Intelligent Sensors. It is designed to monitor H2S in parts per million (ppm) levels and provide status indication and alarm outputs. Microprocessor-based electronics allow all options to be user selectable through front panel interface (mode / select switch and digital display).
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2280A Four Channel H2S Gas Monitor

The 2280A is a system for continuously monitoring H2S gas concentrations in four locations. The system consists of up to four remote mounted sensors and a solid state controller. The controller consists of four independent channels, each having its own circuitry. With a digital display, the 2280A shows hydrogen sulfide gas concentrations in ppm (parts per million) in the ranges of 0-20, 0-50, or 0-99 ppm for each channel.
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2602A Zero Two Series Control Module for H2S Applications

The 2602A is a single-channel H2S Control Module that has been designed to monitor H2S in parts per million (ppm) levels and provide status indication and alarm outputs. Microprocessor-based electronics allow all options to be user selectable through front panel interface (mode / select switch and digital display). The digital display on the 2602A indicates hydrogen sulfide gas concentration, fault codes, calibration cues and setup options. Other features include LED indications of status, relay outputs for fault, low alarm and high alarm, and serial communications ports.
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FL3101H UV Flame Detector

The FL3101H is an Ultraviolet-only flame detector designed to detect fires and provide alarm outputs directly from the detector while maintaining false alarm immunity. It detects in the ultraviolet (UV) spectral range for optimized speed of response. Configurations with dual Modbus and HART are available. Modbus and HART data can be used for predictive maintenance. The flame detector's electronics are integral within its explosion-proof housing, allowing detector information to be processed at the point of detection.
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IR Gas Detector Accessories

General Monitors offers a wide variety of accessories for infrared gas leak detection.
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FL3111 UV Flame Detector (EU)

The Model FL3111 is an Ultraviolet (UV) flame detector designed to detect unwanted fires and provide alarm outputs directly from the detector while maintaining false alarm immunity. The FL3111's electronics are integral within its stainless steel explosion-proof housing, allowing detector information to be processed at the point of detection. Designed specifically for the European market, this product has European approvals only and must be ordered with the exact required options from the menu offered.
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H2S Gas Sensors and Accessories

General Monitorsʼ hydrogen sulfide (H2S) sensors are solid state devices, designed and manufactured for long life and fast response. They are selective to H2S and remain unaffected by high concentrations of other substances like hydrogen, sulfur dioxide, and gasoline vapors, which are often present in facilities that process sour gas and crude oil. A high tolerance to a broad range of temperatures and humidity enable these sensors to operate in rugged environments, as does their capacity to withstand exposure to high H2S concentrations over short periods.
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S4100T H2S Gas Detector

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 gas sensor may be incorporated in the transmitter housing or remotely mounted at distances of 600 meters. The sensor employs thin film metal oxide semiconductor (TFMOS) technology as the measuring principle.
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TA402A Single Channel Trip Amplifier

The Model TA402A is a single-channel trip amplifier module designed for use with the FL3100 Series Flame Detectors, providing status indication and alarm outputs.
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9010/9020 Controller

The 9010/9020 SIL controller comes with advanced design and innovative features. Monitoring up to 20 channels, it’s now also SIL 2 suitable. The 9010 controller operates with one independent sensor, while the 9020 operates with two independent sensors per control module. Each module comes with an independent AC/DC power supply for increased system reliability. Both units feature full internal diagnostics, which minimize false alarms and unexpected down time. The controller powers up the remote gas detectors, while its large four-digit LCD and LED provide crucial information such as gas concentration, alarm status and more. The 9010/9020 LCD controller monitors up to 20 channels and comes with an independent power supply. The LCD version has approvals for FM (North America) and CCCF (China) whereas the 9010/9020 SIL controller is ATEX and  SIL2 certified.
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Electrochemical Sensors

The General Monitors electrochemical gas sensors are highly sensitive to toxic gases including carbon monoxide, H2S, hydrogen, hydrogen chloride, ammonia, chlorine, chlorine dioxide,  nitric oxide, nitrogen dioxide, ozone, SO2, and oxygen deficiency.
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FL802 Multi-Channel Flame Detection Readout / Relay Display Module

The Model FL802 is a compact, reliable and versatile multi-channel flame detection readout/relay display module designed to monitor up to eight remote FL4000H or FL3100 Series detectors.
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Observer-i Ultrasonic Gas Leak Detector

Instantly detect pressurized gas leaks with this high-precision,  omni-direction acoustic detector utilizing Gassonic ultrasonic technology. 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. The Observer-i UGLD provides an industry-leading detection range (up to 28 m) reducing the  number of detectors required. Ideal for use in complex, outdoor pipeline systems.
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DC110 Eight Channel Combustible Readout / Relay Module

The DC110 is an eight-channel Readout / Relay Module designed to be used with up to eight of our remotely located Combustible Intelligent Sensors. The front panel contains a digital display that indicates 0-99% LEL (lower explosive limit) of the combustible gas being monitored by the Intelligent Sensors.
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FL3112 IR Flame Detector (EU)

The FL3112 is a Digital Frequency Infrared (DFIR) flame detector designed to detect unwanted fires, and provide alarm outputs directly from the detector while maintaining high false alarm immunity in onshore / offshore applications. Designed specifically for the European market, the flame detector has European approvals only and must be ordered with the exact required options from the menu offered.
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TA502A Single Channel Trip Amplifier Module

The TA502A is a single-channel generic trip amplifier designed for use in Zero Two Series Gas and Flame Detection Systems. It is used to process the 0-22 mA signal from any field mounted transmitter.
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Toxic Gas Accessories

General Monitors offers a wide variety of accessories for our toxic gas detectors.
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CC02A Serial Communications Module

The CC02A Communications Card facilitates serial communications between each module in a Zero Two Series Flame and Gas Detection System and an external host computer, which allows fast access to operational and setup data registers. It supports a Burst Read feature that returns all registers of a module in a single transmission.
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DT210 Eight Channel H2S Readout / Relay Module

The DT210 is an eight-channel Readout / Relay Module designed for use with up to eight of our remotely located H2S Intelligent Sensors. The front panel contains a digital display that indicates 0-20 ppm (parts per million), 0-50 ppm, or 0-99 ppm of the hydrogen sulfide gas monitored by the Intelligent Sensors.
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RGC - Remote Gas Calibrator for Catalytic Bead Sensors

The Remote Gas Calibrator (RGC) allows calibration gas to be applied to a remotely located catalytic bead sensor from an easily accessible location. The RGC is used for blocking ambient air and redirecting methane to the catalytic sensor for calibration or testing sensor accuracy. The RGC tests or calibrates the General Monitors catalytic sensor with 50% LEL methane. The unit is capable of calibrating gas at wind velocities up to 50 mph. The RGC is used manually with a pressure regulator (P/N 80146-1) and is suitable for calibrating with any light hydrocarbon.
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TL105 Test Lamp

The TL105 is a battery operated test lamp designed specifically to test General Monitors Flame Detectors. The TL105 is an explosion-proof test lamp that can be used with the FL4000H MSIR flame detector as well as any of the FL3100 Series Flame Detectors. The TL105 operates up to 35 feet from the flame detector.
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FM002A Facilities Module

The FM002A is a facilities module that provides a range of common facilities for all Zero Two control modules housed in the chassis. The FM002A is plugged into the last slot on the right-hand side of the Zero Two chassis. It may be daisy-chained allowing one FM002A to serve up to 100 Zero Two modules in any combination.
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RGC-IR - Remote Gas Calibrator for Point IR Detectors

The remote gas calibrator, RGC-IR, is designed to be permanently installed on a combustible IR gas detector. The RGC-IR provides protection from outside elements and allows the user to apply calibration gas (@ 50 psi) to the detector from a remote source.
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IN042 Four Zone Control Module

The IN042 is a four zone input module designed for use with two-wire field devices such as smoke or heat detectors, pull switches and manual callpoints. It is designed to monitor these devices and provide both status indication and fault / alarm outputs for each zone.
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RGC-HT - Remote Gas Calibrator for High Temperatures

To verify the proper operation of a catalytic combustible gas sensor, it is necessary to periodically apply a gas of known concentration to the sensor. This is usually done manually at the site with gas supplied from a small lecture bottle. As the sensor reacts to the calibration gas, adjustments are made to the monitoring system to bring its calibration into agreement with the known concentration of the calibration gas. At times, sensors are mounted in inaccessible locations, requiring expensive catwalks or scaffolding to reach them. The High Temp Remote Gas Calibrator (RGC-HT) allows the calibration gas to be applied to the catalytic bead sensor from easily accessible locations. The RGC-HT is used for blocking ambient air and redirecting methane or other light hydrocarbon gases to the catalytic bead sensor for calibration or testing sensor accuracy in various environments. The RGC-HT tests or calibrates the General Monitors Catalytic Bead sensor with 50% LEL methane or other light hydrocarbon gas. The unit is capable of calibrating and detecting gases in various wind conditions (up to 45 mph) and temperatures (up to 200°C when used with high temperature sensor).
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TS4000H Toxic Gas Detector

The TS4000H Intelligent Toxic Gas Detector continuously monitors a variety of toxic gases in the ppm range or oxygen deficiency, delivering highly accurate detection and protection. The unit features one person calibration and virtually self-calibrates 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.
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ARGC - Automatic Remote Gas Calibrator

To verify the proper operation of a catalytic combustible gas sensor, it is necessary to periodically apply a gas of known concentration to the sensor. This is usually done manually at the site with gas supplied from a small lecture bottle. As the sensor reacts to the calibration gas, adjustments are made to the monitoring system to bring its calibration into agreement with the known concentration of gas. At times, sensors are mounted in inaccessible locations, requiring expensive catwalks or scaffolding to reach them. The Automatic Remote Gas Calibrator (ARGC) allows the calibration gas to be applied to the catalytic bead sensor from easily accessible locations. The ARGC is used for blocking ambient air and redirecting methane to the catalytic sensor for calibration or testing sensor accuracy. The ARGC tests or calibrates the General Monitors catalytic sensor with 50% LEL methane. The unit is capable of calibrating gas at wind velocities up to 50 mph. Note: the RGC (P/N 80153-1), used manually with a pressure regulator (P/N 80147-1), is suitable for calibrating with any light hydrocarbon.
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MD002 Monitored Driver Output Module

The MD002 is a monitored driver output module designed for four independent outputs requiring monitoring in their non-active state, such as extinguishing solenoids, beacons, horns, etc. Each driver is independent and has circuitry to monitor short and open circuits in field wiring.
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1701 Portable Test and Calibration Unit

The 1701 is a portable test and calibration unit used to verify the operation and calibrate certain ultrasonic gas leak detectors. Although the detectors do not require regular maintenance, the 1701 can be used to satisfy the requirements for regular plant maintenance. Further, the 1701 requires no electrical connection to the gas leak detector but is simply placed over the sensor head of the gas leak detector.
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TS4000H - H2S Electrochemical Gas Detector

The 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.
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ZN002A Three Zone Control Module

The ZN002A is a Zone Control Module for the Zero Two Series Fire and Gas Detection System. The ZN002A provides zoning and voting functions for three separate and independent zones of gas and / or flame detection.
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IR4000S Single-Point Gas Monitor

The IR4000S Single-Point Monitor is a display and user interface for the IR400 point IR gas detector. The monitor allows local calibration and displays gas concentration. Relays are optional. The relays provide output for Alarm, Warn, and Fault conditions.
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Mounting Hardware

General Monitors offers a complete line of mounting hardware to facilitate installing any of our gas and flame detectors in commercial or industrial facilities.
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IR4000M Multi-Point Gas Monitor

The IR4000M Multi-Point Gas Monitor can be used as an integrated combustible gas detection system, with capacity to connect eight point IR or open path gas detectors and read their status with one command. The highest current % LEL among all connected detectors is shown continuously during normal operation. An extensive set of menus are easily navigated using a magnetic switch to request the status and configuration data stored by the IR4000M.
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Chillgard® M-100

With its compact design and low-maintenance engineering, the Chillgard M-100 Refrigerant Sensor is easily mounted almost anywhere for trusted detection of halogenated refrigerant across a wide range of temperatures and humidity ranges—with a minimum detection level of 20ppm.
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