Explosion-proof temperature and humidity transmitters are used in some places with relatively harsh or dangerous environments, and use explosion-proof shell transmitters.  It can eliminate some possible safety hazards.This product has a 4-digit display digital tube, 4 product status indicators, output  Signals have RS485 Signal, three-wire system 4-20 mA Signal, this product uses a high-precision imported temperature and humidity sensor, which can be used to implement Timely and stably monitor the changes in the current ambient temperature and humidity, with high accuracy, low drift, fast response speed, stable performance and other characteristics point.

2. Scope of application

Chemical plants, firecracker factories, dust workshops, municipal projects, urban underground comprehensive pipeline corridors and other scenarios. 

3. Technical parameters  work

For voltage  10～30VDC 

Operating current  ＜100mA（ Maximum value)

Output signal  RS485 Signal (Standard )，Three-wire system 4-20 mA(Selection ) 

Measurement range  Temperature: -40 ～＋80℃，Humidity: 0 ～100%RH 

Resolution  Temperature: 0.1 ℃，Humidity: 1% RH 

Measurement accuracy  temperature: ≤±0.5℃, humidity: ≤±3%RH（25℃，60%RH） 

Sensor life  1-3Year (under normal clean atmosphere)

Zero point drift  <±2%FS Load capacity  ≤250Ω（10～15V），≤500Ω（15～30V） 

Operating temperature  -40～80℃ 

Housing material  Die-cast aluminum

Appearance size  141.0mm*195.0mm*90.0mm（ Display type)

weight  ≤1.5kg（ Display type)

Protection level  IP66 

Explosion-proof form  Explosion-proof type

Explosion-proof level  ExdIICT6 

Installation method  Screw fixing installation

Line inlet  Hexagonal threading explosion-proof bolts  M20*1.5 

Connection distance  ＜1200m（ Related to cable material and wiring method)

4. Housing structure dimension diagram (141.0 mm*195.0mm*90.0mm）