Johnson Controls GM202-MH00 A2L Refrigeration Sensor R454B

Product Description

The Johnson Controls GM202-MH00 A2L Refrigeration Sensor detects refrigerant leaks including R32, R454A, R454B, R454C, and R455A. It uses Modbus communication for efficient monitoring and features a Modbus RTU RS485 interface with a configurable client address. The sensor is designed to account for temperature and humidity fluctuations, ensuring accurate readings and fault detection if the sensor goes out of range.

• A2L Refrigeration Sensor for R454B refrigerant detection
• Utilizes RS485 Modbus output for communication
• Includes a 2 feet cable with a male connector for easy installation

Product Highlights

This sensor is crucial for HVAC applications, providing reliable leak detection for standard refrigerants used in modern air conditioning systems.

Product Information

Standard Information

• MPN: GM202-MH00
• Condition: New

Technical Specifications

• Product Type: Refrigerant leak detection sensor
• Supply Power: 24 VAC/DC
• Current Consumption: 40 mA maximum
• Detection Threshold Limit Value Accuracy: ±3% LFL within the range of 7% to 20% LFL
• Sampling Rate: 5 Hz
• Temperature Compensation: Yes
• Humidity Compensation: Yes
• Fault Detection: Yes, if the sensor is out of range
• Warm Up Time: Less than 5 seconds
• Operating Temperature Range: -40°F to 221°F (-40°C to 105°C)
• Operating Humidity Range: 5% to 95% RH, non-condensing
• Operating Pressure Range: 70 kPa to 120 kPa
• Storage Temperature Range: -40°F to 221°F (-40°C to 105°C)
• Short Term Temperature Exposure: 221°F (105°C) for 30 minutes
• Enclosure Rating: IP 54 (EN 60529)
• Housing Material: 33% glass-reinforced PPA resin, UL 94 V0 rated
• Cable Material: 600 V, 22 AWG, PVC, UV C tolerant
• Cable Length: 6 feet (1.82 meters)
• Lifetime: 15 years
• Dimensions (H x W x D): 2.80 inches x 3.11 inches x 0.71 inches (71 mm x 79 mm x 18 mm)