NH3 Gas Detector Ammonia Transmitter VOC Sensor Module RS485 with Relay Output Range 0-500ppm

NH3 Gas Detector Ammonia Transmitter VOC Sensor Module RS485 with Relay Output Range 0-500ppm  

Features:
- Wide detection range
- NH3 Ammonia monitoring
- High sensitivity & stable performance
- Built-in imported PVC probe for universal purposes
- Self-developed Ammonia VOC transmitter
- High-intensity shell for wall mounting
- IP65 for waterproof and dust-proof protection
- Modbus-RTU protocol enables monitoring multiple places at a time and long-distance data transmission
- Application: Petrochemical industry, medical housewares, refrigerator storehouses and air management

Wiring:
- Brown: VCC
- Black: GND
- Yellow: RS485+/A
- Blue: RS485-/B

Specifications:
- Detection Range: 0-500ppm
- Output Signal: Modbus RS485
- Output Load: RS485@120Ω
- Resolution: 1ppm
- Protective Level: IP65
- Measuring Accuracy: ±3%FS (25℃)
- Response Time: < 6 minutes
- Power Supply Voltage: DC7 to 36V
- Working Temperature: -10 to 65℃
- Working Humidity: 0-90%RH
- Display Way: None
- Installation Way: Wall-Mounted
- Dimensions: 117 x 87 x 51mm
- Weight: < 300g

Package Included:
- 1 x VOC Sensor Module

Note:
1. The white round part is waterproof and breathable film. Please not tear it when using it, so as not to affect the lifespan and use of the sensor.
2. Please not connect the power supply to the signal terminal during wiring to avoid damage to the instrument.