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ZRT512J Refrigerant Detection Module | NDIR Gas Sensor for R32, R454B, R290 | RS485 Communication

The ZRT512J refrigerant detection module is an advanced infrared gas sensor utilizing Non-Dispersive Infrared (NDIR) technology for detecting refrigerants such as R32, R454B, and R290. It offers high sensitivity, fast response time, and excellent stability with no oxygen dependence. Designed for HVAC and industrial safety applications, this compact module provides reliable refrigerant leak detection with RS485 communication and relay control.

Description

The ZRT512J refrigerant detection module integrates mature infrared absorption gas detection technology with high-precision circuit design, ensuring superior performance. Unlike conventional catalytic sensors, it is resistant to water vapor interference and does not suffer from poisoning effects. The module features temperature compensation, excellent linear output, and a long lifespan of over 15 years. With its high-resolution detection capability and fast response time, it is ideal for monitoring refrigerant leaks in HVAC systems and industrial safety applications.

Product Parameters

Parameter Specification
Model ZRT512J
Target Gas R32, R454B, R290
Detection Range 0 – 50% LFL
Resolution 0.1% LFL
Response Time R32/R454B: <10s, R290: <15s
Communication Mode RS485 / UART (PWM customizable)
Relay Control Yes
Working Voltage 24V ±1V DC
Average Current <30mA
Warm-Up Time 15s
Working Temperature -40°C to 85°C
Working Humidity 0 – 100%RH
Interface Mode XH-6P
Size (L×W×H) 63.1 × 54.1 × 25.5 mm
Weight 45g
Lifespan >15 years

Product Advantages

  • High Sensitivity & Fast Response: Detects refrigerant leaks quickly and accurately.

  • NDIR Technology: Superior selectivity with no oxygen dependence.

  • RS485 & UART Communication: Supports industrial integration and automation.

  • Long Lifespan: Durable design ensures over 15 years of operation.

  • Resistant to Water Vapor & Poisoning: Performs reliably in various environments.

  • Temperature Compensation & Linear Output: Ensures accurate and stable performance.

Product Applications

  • HVAC Refrigeration Systems: Monitors refrigerant leaks in air conditioning and cooling systems.

  • Industrial Process Control & Safety: Detects refrigerant gas leaks in industrial applications.

  • Refrigeration Equipment Safety Monitoring: Ensures safe operation of refrigeration units.

Additional information

Applications

HVAC, Industrial Process, Safety Monitoring

Detection Gas

R290, R32, R454B

Output

PWM, RS485, UART

Principle

NDIR

Product Type

Module

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