Technical Support:
158-7527-1139
Provides detection for various A2L and A3 gases (R32, R454A, R454B, R454C, R290)
0-100% LFL refrigerant gas measurement range
High accuracy across full temperature and humidity range
Advanced automatic baseline calibration mechanism, no field calibration required
Integrated mitigation/shutdown functions
Fast response speed, service life up to 15 years
Principle: NDIR
Measured gases: R32 / R454A / R454B / R454C / R290
Measurement range: 0–100% LFL
Accuracy: ±2.5% LFL @ 0%–25% LFL
±10% of reading @ 25%–100% LFL
Resolution: 0.1% LFL
Response time: T90 ≤ 30 s
Output: RS485 Modbus; Relay output
Protection rating: IP54
Operating conditions: -30 ~ 70 °C, 0–95% RH (non-condensing)
Storage conditions: -40 ~ 85 °C, 0–95% RH (non-condensing)
Power supply: AC: 18~36 V, standard 24 V, 55 ± 8 Hz
DC: 12~36 V, standard 24 V
Service life: >15 years
Dimensions: 103.2 × 80 × 30.5 mm (customizable)
The DM744 is a real-time monitoring sensor for R744 (CO2) refrigerant leaks. It utilizes patented technology to ensure high reliability and resistance to aging.
The DM4204 monitors R1234ZE leaks in real-time. Its patented technology solves issues related to aging and environmental factors, providing superior long-term stability.
DM4203 is an NDIR refrigerant sensor designed for HVAC equipment like fan coils and heat pumps. It features a built-in relay for direct control of fans and compressors, ensuring high reliability in leak detection.
LUFTMY NDIR refrigerant sensor DM4205 targets A2L gases. Based on NDIR technology, it provides early warning for leaks with fast response and high precision.
