From Macurco Gas Detection:

The Macurco RD-VRF Refrigerant Gas Detector is designed to provide continuous refrigerant monitoring in VRF (Variable Refrigerant Flow) applications.

Gas Types

R-32, R-134a, R-404A, R-407C, R-410A, R-449A, R-452B, R-454A, R-454B, R-454C,            R-455A, R-1234yf, R-1234ze

Key Features

• Stable and accurate NDIR Sensor (10-year life)
• 24V & 120V options with same model
• Internal display for programming and testing
• 2 SPDT relays
• Modbus Digital Output (standard)
• Multicolor LED status indicator
• Built-in cal-port connection

Select the following link to learn more about this product: Variable Refrigerant Flow

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