Technical Support:
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Long life, up to 15 years of use
Fast response speed, no false alarms or missed reports
High accuracy across full temperature and humidity range
Anti-condensation, high reliability
Anti-interference, good gas selectivity
Refrigerant type detected: R744
Detection principle: Non-dispersive infrared (NDIR) technology
Detection range: 0–4% Vol
Service life: >10 years
IP protection rating: IP54 (customizable to IP65)
Operating conditions: -30 °C–60 °C; 0–95% RH (non-condensing)
Average current: ≤ 70 mA (without anti-condensation function); ≤ 280 mA (with anti-condensation function)
Output options:
1. UART @ 3.3 V (default)
2. Analog voltage output 0.8–4 V (default)
3. PWM (software customizable)
4. 4–20 mA current output (hardware customizable)
5. RS485 communication (hardware 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.
