Skip to main content
MGS-250 Infrared Gas Detector

MGS-250 Infrared Gas Detector

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. It meets ASHRAE 15, EN 378, and CARB RMP compliance requirements. The MGS-250 is the economical solution for detecting refrigerants without the limitations posed by solid-state sensor technologies.

 

Advanced infrared sensing technology makes the MGS-250 immune to cross sensitivities from combustible and toxic gases, as well as changes in temperature and humidity. The infrared sensor provides low-level leak detection and delivers up to 5 to 7 years of virtually maintenance-free operation. The MGS-250 has an alpha-numeric LED display, status indicator, on-board relay, and alarm to alert personnel when levels have exceeded the preset limit.

  • Long-life, proprietary infrared (NDIR) sensor provides 5-7 years of maintenance-free service while detecting the presence of a target gas down to 75 ppm Minimum Detection Level (MDL)
  • Sensor is not prone to false alarms caused by cross-interference from other gases or sudden changes in temperature or humidity
  • 4-digit LED display shows real-time concentration readings and makes configuration and self-diagnostics intuitive
  • Configurable analog output (4-20mA, 0-5V, 0-10V, 1-5V or 2-10V) and Modbus communications for integration with Bacharach’s MGS-408 controller or third-party BMS / BAS control systems
  • User-configurable relay (alarm) may be used to activate external beacons / sounders, ventilation or other countermeasures
  • Integrated audible / visual alarms for refrigeration safety compliance – no additional hardware
Show Less
Read More
MGS-250 Infrared Gas Detector
MGS-250 Infrared Gas Detector
Gas Detection for CFC, HFC, HCFC and HFO refrigerants
Videos
Specifications
Approvals
Tools and Training
Literature
Videos
Show More Videos
Show Less Videos
Specifications
Accuracy
+25% (Broadband Sensors) +5% (Gas-specific Sensors)
Alarm
Integrated Audible / Visual Alarm
Altitude
0 to 6,560 ft (2,000 m)
Ambient Temperature
-22 to 104°F (-30 to 40°C)
Analog Communication
4 to 20 mA, 0 to 5 V, 0 to 10 V, 1 to 5 V, 2 to 10 V
Approvals / Standards
CE, UL, CSA, IEC, EN 61010-1
Buzzer Volume
80 dB @ 10 cm
Country of Origin
United States
Digital Communications
Modbus RTU via RS 485
Enclosure Rating
General Purpose
Expected Sensor Service Life
5 Years
Gas Name
Broadband
Humidity
5 to 90 %RH, non condensing
Measuring Range
0 to 3,500 ppm
Operating Voltage
24 VDC or 24 VAC
Power
24 VDC +20% or 24 VAC +20%, 2.5W
Product Dimensions (L×W×H)
4.0” × 5.5” × 1.5” (100 × 140 × 40 mm)
Product Weight
6.3 oz (180 g)
Relay Rating
1 alarm relay, SPDT
Resolution
1 ppm
Sensitivity/Minimum Detection Limit
75 ppm
Sensor Channels
1
Sensor Type
NDIR
User Interface
4-digit, 7-segment red/green LEDs; configuration push buttongs
Warranty
1 Year
Wiring
1 A @ 24 VDC, 0.25 A @ 240 VAC, resistive load
Approvals
Approvals subject to change without notice and may differ based on configuration, part number and/or country. Contact Customer Service or check approval label on product for specific approval information.
Tools and Training
Literature
Part Number(s)

Ask a Question