rs485 temperature measuring instruments wireless temperature monitoring system with over temp alarm LCD display

Technical parameters
Value
Measuring
range
Temperature
-40.0℃ ~ +99.9℃
Humidity
20%RH ~ 90%RH
Accuracy
Temperature
±1℃
Humidity
±5%RH
Analog output
DC 4 ~ 20mA or DC 0 ~ 20mA
Set range of
controlling
parameters
Heating for
temperature rising
-40.0℃～+40.0℃
Blowing for
temperature
decreasing
0.0℃～+100.0℃
Humidity control
20%RH～90%RH
Output contact capacity
5A/AC250V
Communication port
RS485，Modbus(RTU)
Power supply
Voltage
AC85～265V or DC100～350V
Consumption
Basic power consumption（
≤0.8W）+relay power consumption
（each channel≤0.7W）
Insulation resistance
≥100MΩ
Frequency withstand voltage
Power with shell,touchable metal parts/power with other terminal
group 2kV/1min(AC，RMS)
MTBF
≥50000 hoursWorking
environment
Temperature
-10℃～+55℃
Humidity
≤95%RH，without condensation and corrosive gas
Altitude
≤2500m