Explosion-proof temperature and humidity transmitter

Supply voltage: DC24V
Output mode: RS485, 4-20ma
Measuring range
Temperature: 0 ~ 80 ?
Humidity: 20-90% RH
Accuracy of measurement
Temperature: + / - 0.3 ?
Humidity: + / - 2% RH
The work environment
Temperature: - 20-80 ?
Humidity: 0-100%RH (no condensation)