HOME HVACR Industrial Refrigeration
The New Standard in Ammonia (NH3) and Carbon Dioxide (CO2) Leak Detection
With remote connectivity, we can provide data-driven insight for leak detection and resolution, which reduces refrigerant emissions and reportable emissions events. Bacharach has solutions to help meet IIAR-2, EN 378, and CSA B52 compliance.
MGS-400 Series Gas Detectors
Diffusion-based system for compliance with IIAR, EN 378, and CSA B52. Digital NH3 & CO2 detection easily integrates into new and retrofit applications.
Beyond Compliance, Bacharach Delivers Convenience
Extreme Temperature Range
-40° to 122°F (-40° to 50°C)
On-Board AV Alarms
Visual and audible alarm systems
Easy 1-Person Calibration
Calibrate with our mobile app, or use pre-calibrated sensors
Minimize Wiring
Reduce wiring by up to 90% with digital Modbus
Flexible Connectivity
Local relays, Modbus communications, and analog output
Instant Calibration Reports
PDF reports generated through mobile app
Durable Waterproof Design
IP66 rated enclosures
Mobile App
Configuration, calibration, and reporting
Top Products
MGS-450 Gas Detector
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.
Learn moreMGS-460 Gas Detector
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. Using the MGS-400 App, users can intuitively use, commission and maintain their gas detection system without the need for specialty training or tools.
Learn more
Ammonia & CO2 Gas Detection | Environmental Monitoring | Energy Monitoring
Monitor Low-Level Leaks with Aspirated Sampling
Extreme Sampling Environment
-50° to 120°F (-45° to 49°C)
Multi-Point Detection
4-16 Zones
Vast Detection Range
0 – 10,000 ppm
HFCs: 0-10K
NH3: 10-10K
CO2: 300-8K
Long Sensor Life
7-10 Years
Continuous Calibration
Clean Air Sampling
Over-Range Recovery
(No Replacement)
Top Products
Single-Zone Refrigerant Monitor
- Continuous PPM & %LEL measurement in a single device
- Indoor-mounted vent line monitoring
- 3 alarm level relay & 4-20mA signal
- Non-depleting, long-life infrared sensor
- Compliant with IIAR standards
7100 Trace Oxygen Analyzer
- Identify leaks sooner with multiple close proximity sample points
- 3 alarm level relay & 4-20mA signal
- Non-depleting, long-life infrared sensor
- Connected remote monitoring & alerting
- Compliant with IIAR standards
Pairing MSA Bacharach’s fixed gas systems with the Parasense platform provides 24/7 remote monitoring capabilities with real-time visibility of low-level leak activities. Predetermined alarm levels alert facility management of elevated gas concentrations, enabling the quickest resolution to gas leaks.