Refrigerant Leak Detection
Browse refrigerant leak detection and monitoring solutions for HVAC, refrigeration and machinery room safety. These systems support leak detection, monitoring and compliance across commercial and industrial facilities in Malaysia.
Solutions covered
- • Refrigerant monitors
- • Portable leak detection
- • Machinery room safety systems
- • HVAC compliance monitoring
Common applications
- • Commercial HVAC plants
- • Cold storage and refrigeration systems
- • Machinery rooms and plantrooms
- • Industrial service and maintenance teams
Categories
Refrigerant Leak Detection Types

The Chillgard 5000 Refrigerant Leak Monitor provides the earliest level of detection of costly refrigerant gas leaks in mechanical equipment rooms. Sampling system with patented photoacoustic infrared (PAIR) technology detects leaks as low as 1 part per million (ppm). Intuitive, touchscreen user interface makes it easy to operate. Predictive maintenance and diagnostics keep you operational.
Technical Specifications
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The Chillgard 5000 Ammonia Monitor accurately detects ammonia gas leaks as low as 10 ppm for early notification, keeping your plant safe according to ANSI/IIAR and EN 378. Using Photoacoustic Infrared (PAIR) technology provides a more accurate measurement and requires less maintenance than traditional electrochemical gas sensors for lower cost of ownership.
Technical Specifications
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The Chillgard® 5000 Remote Display provides gas monitor information before room entry where potentially hazardous gas levels may exist. It mimics the Chillgard 5000 Gas Monitor readings for gas concentration, alarm status, calibration. ASHRAE 15 compliant for entry way signaling. Easy to read 7" touch display. Connect up to four remote displays in series. Water and corrosion-resistant enclosure. 70 dB audible alarm. Optional strobe and fault diagnostics.
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For wide-ranging gas-monitoring needs, the economical Z-Gard C 485 Controllers are up to the task. The controllers connect with a wide array of MSA Z-Gard S Sensors, with controller models accepting up to 24 sensors. Relay outputs indicate warning, alarm or sensor fail for each zone, and units are available with one or two zones. A large LED readout displays the active channel and the corresponding sensor gas level.
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A cost-efficient monitor for underground garages and ventilation control, the Z-Gard COmbo Gas Monitor uses an electrochemical sensor to detect carbon monoxide. The unit features local audio/visual alarm status indicators and it can be configured to interface with air-handling equipment to control air quality within a building. Additional remote sensors can be attached to the unit via the RS-485 network port, while a 4-20 mA output is proportional to the calibrated operating range.
Technical Specifications
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The Z-Gard DS Sensor is designed to detect the presence of carbon monoxide and nitrogen dioxide gases in parking garages, vehicle storage areas or wherever else these two toxic gases could be found. These sensors employ electrochemical sensors which generate a representative output signal proportional to the calibrated operating range. All Z-Gard DS Sensors are available with 2 output versions, a 4-20mA analog output, or an addressable RS-485 digital signal.
Technical Specifications
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The Z-Gard S Sensor is designed to detect the presence of carbon monoxide and nitrogen dioxide gases in parking garages, vehicle storage areas or wherever else these two toxic gases could be found. These sensors employ electrochemical sensors which generate a representative output signal proportional to the calibrated operating range. All Z-Gard S Sensors are available with 2 output versions, a 4-20mA analog output, or an addressable RS-485 digital signal. Z-Gard Sensors with RS-485 digital output are specifically designed to operate as a system with any Z-Gard CXII or C 485 Controller. Z-Gard Sensors with 4-20mA can be installed as stand-alone sensors typically integrated with the Z-Gard C Controller, or common commercial equipment including PLC, DCS, or building automation systems.
Technical Specifications
Models & Variants

Single-Zone Refrigerant Monitor
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Precision monitoring for low-level refrigerant leak detection for small to medium size facilities. The HGM-SZ Single Zone (tube) Refrigerant Gas Monitor is designed for continuous monitoring of CFC, HFC, and HCFC refrigerants and halogen gases with a 1/4 in. O.D. tube up to 50 ft (15m) distance from measuring point to monitor. Three adjustable alarm levels with relay output designate leak, spill, and evacuation concentrations. Gas alarms and system fault conditions are indicated by visual and audible alarms.

Multi-Zone Refrigerant Monitor
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Industry leading precision monitoring for low-level gas leak detection. Bacharach's Multi-Zone Gas Monitor delivers the best refrigerant leak detection available, with industry-leading MDL of 1ppm for halogenated gases, the fastest sampling frequency and the widest range of refrigerants accurately detected. The large graphic LCD display and LED status indicators provide a system-wide overview at a glance.

Multi-Zone Relay Module
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16-Channel relay expansion module for the multi-zone. Bacharach's HMZ-RM1 Multi-Zone Relay Module integrates with all Multi-Zone Gas Monitors to expand the available relay capacity from four to thirty six relays when two relay modules are installed. With maximum expanded relay capacity, the Multi-Zone Monitor can provide at least two additional relays per zone.

Multi-Zone Ethylene Monitor
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Precision ethylene monitoring for critical fruit and vegetable ripening. Bacharach's Multi-Zone Ethylene gas monitoring solution has been developed to support the food processing industry, with specific attention to food ripening. This innovative addition to the Bacharach portfolio is ideal for monitoring process Ethylene concentrations in fruit and vegetable ripening rooms.

MGS-250 Infrared Gas Detector
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Gas Detection for CFC, HFC, HCFC and HFO refrigerants. Bacharach's MGS-250 Infrared Refrigerant Gas Detector is the leader in performance and flexibility. It can be configured as either a broadband sensor used for gross leak detection, or as a gas-specific version that's pre-calibrated and characterized for precision response to individual refrigerants.

MGS-400 Series App
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Application for MGS-400 Series of gas detectors and controllers. The Bacharach MGS-400 App allows users to configure, maintain and interface with compatible MGS-400 series of gas detectors. Once a Bluetooth connection has been established, the app replaces the need for specialty training/tools.

MGS-401 Entrance Monitor
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Entrance monitor for improving safety in commercial and industrial applications. The MSA Bacharach® MGS-401 Entrance Monitor centralizes the status of up to four (4) MSA Bacharach diffusion Gas Detectors, which in turn provides an audible and visual alarm outside a monitored space.

MGS-402 Gas Detection Controller
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2-Channel controller for refrigerant, toxic and combustible gas detection. Bacharach's MGS-402 Gas Detection Controller centralizes the status of up to two gas detectors, provides a complete package for your safety compliance application.

MGS-408 Gas Detection Controller
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8-Channel controller for refrigerant, toxic and combustible gas detection. Bacharach's MGS-408 Gas Detection Controller centralizes the status of up to 8 gas detection channels in a single location. The digital display provides a real-time view of the gas concentration and status at each gas detection point.

MGS-410 Gas Detector
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Safety gas detection for refrigerants, toxic and combustible gases. Bacharach's MGS-410 Gas Detector makes compliance with mechanical equipment room and refrigeration safety codes simple and easy, saving time and money on equipment and installation.

MGS-450 Gas Detector
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Used for detection of refrigerants, toxic and combustible gases. Bacharach's MGS-450 Gas Detector makes compliance with refrigeration safety codes (ASHRAE 15, EN 378, CSA-B52) simple and effective, saving time and money on equipment and installation.

MGS-460 Gas Detector
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Safely detect for refrigerants, toxic and combustible gases. Bacharach's MGS-460 Gas Detector makes compliance with mechanical equipment room and refrigeration safety codes simple and easy, saving time and money on equipment and installation.

MGS-550 Dual Gas Detector
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Gas detector for refrigerants, toxic and combustible gases. Bacharach's advanced MGS-550 Dual Gas Detector can utilize any combination of sensor technologies, including electrochemical, semiconductor (MOS), catalytic bead or infrared, in a single platform for unparalleled detection capability.

PGM-IR Portable Refrigerant Monitor
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Portable refrigerant monitor that finds small refrigerant leaks fast. The PGM-IR portable refrigerant monitor offers superior performance and functionality for low ppm level leak detection of refrigerants, Carbon Dioxide, Nitrous Oxide or Sulfur Hexafluoride.

Lekator Jr Combustible Gas Leak Detector
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Leakator Jr Combustible Gas Leak Detector. The Bacharach Leakator® Jr is an ideal budget instrument for pinpointing combustible gas leaks in a number of residential, commercial and industrial applications, including gas pipeline surveying and valve, regulator and gas meter inspection.

H-10 PRO Refrigerant Leak Detector
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Ultra-sensitive universal refrigerant leak detector. The H-10 PRO Refrigerant Leak Detector is a highly responsive universal refrigerant leak detector using Bacharach's tried-and-true heated diode sensor technology.

Informant 2 Multi-purpose Leak Detector
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Handheld leak detector for refrigerants & combustible gases. The Bacharach Informant® 2 is a uniquely flexible leak detector designed for residential and commercial heating and cooling contractors. It's the only dual-purpose leak detector that can be switched from refrigerants to combustible gases.

H25-IR PRO Industrial-grade Refrigerant Leak Analyzer
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Industrial-grade refrigerant leak analyzer. The H25-IR PRO is the latest industrial-grade gas leak analyzer capable of detecting 40+ refrigerant gases (standard model) in addition to R-290 (propane), R-600a (isobutane) and for special applications, CO2 and SF6.

MVR-SC Gas Detection Controller
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100-Channel controller for refrigerant gas detection. The Bacharach MVR-SC Gas Detection Controller provides centralized monitoring and alarming for multi-occupant applications utilizing the MVR-300™ VRF Refrigerant Gas Detector.

MVR-300™ VRF Refrigerant Gas Detector
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Gas Detection for Refrigerants in Occupied Spaces. The MVR-300™ VRF Refrigerant Gas Detector is specifically designed to provide continuous monitoring for refrigerants associated with high-efficiency, high volume refrigerant cooling and heating systems.

GRM2 Refrigerant Monitor
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Multi-channel gas detection monitor utilizing a unique infrared absorption technology. The Parasense GRM2 Refrigerant Monitor is a multi-channel aspirated monitor which provides uncompromising sensitivity to leaks of different refrigerants. The GRM2 Monitor can sample air from up to 16 points around your refrigeration system, depending on your requirements, the GRM2 can also provide monitoring for 1, 4, 8, or 12 channel configurations with a range of output options.

3300RM2 Military Grade Refrigerant Monitor
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Military grade precision monitoring for low-level refrigerant leak detection. The Parasense 3300RM2 Refrigerant Monitor is a multi-channel aspirated monitor which provides uncompromising sensitivity to leaks of different refrigerants. The 3300RM2 Monitor has 8 individual SAMMs (sampling channels), each having their own pump, filter, secondary pump, and alarms per channel to provide enhanced reliability and longevity.
