R-442A
R32/R125/R13…R-442A (RS-50) is designed for low and medium temperature refrigeration applications. It provides good capacity and efficiency as an R-404A and R-22 replacement.
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Key Information
Essential safety and exposure information for R-442A
Health Effects
Low toxicity classification. Contains mildly flammable components. May cause cardiac sensitization.
Common Sources
- Commercial refrigeration
- cold storage
- food processing equipment
Exposure Limits
- WEEL
- 1,000 ppm (8-hr TWA)
- No OSHA/NIOSH limit
- No OSHA/NIOSH limit
- Multi-component blend
- Multi-component blend
Regulatory Status
- EPA SNAP
- Acceptable substitute
- ASHRAE 34
- A1 Safety Classification
- GWP
- 1888
- ODP
- 0
- DOT
- Class 2.2 Non-flammable, UN3163
- F-Gas Regulation
- Phase-down applies
Detection Requirements
- Sensor Technology
- Infrared (NDIR)
- Detection Range
- 0-1,000 ppm (typical)
- Response Time
- <60 seconds (T90)
- Cross-Sensitivity
- Test for blend-specific response
- Calibration
- Annual with target gas recommended
Detection Solutions
Sensors and detectors for R-442A monitoring
cGas Detector VRF IR Refrigerant Transmitter
An aesthetic, non-dispersive infrared refrigerant gas detector for acute leak detection in modern energy-efficient buildings utilizing Variable Refrigerant Flow (VRF) HVAC systems.
cGas-SC Self-Contained Controller
A self contained controller with up to 3 gas channels, Plug & Play Smart Sensor Technology and configurable logic control and priority settings. Offers superior user customization and reliable gas detection performance for monitoring many gases.
cGas Detector IR Refrigerant Transmitter
Non-dispersive infrared refrigerant gas detector with accurate, low level leak detection, available with analog output or BACnet® or Modbus® output and Plug & Play Smart Sensor Technology.
FCS Multi Channel System Controllers
High performance controller with logic and priority settings for monitoring toxic, combustible and refrigerant gases with versatile control functionality. Available with Modbus® or BACnet® communication with BAS, supports 4-20 mA and Modbus® driven VFDs.