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AX-RHT-SM015 / High Accuracy RH & T Transmitter, RS485 Modbus POA Qty
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The AX-RHT-SM015 is a high accuracy Room Relative Humidity & Temperature transmitter with Modbus RTU output. Wiring is simplified with connections all made on the back-plate, and a plug-in electronics housing. Communicationparameters can be configured locally using dipswitches or over the network. Suitable for use in air conditioned rooms.
Product Features
• 0.1°C Typical Temperature Accuracy
• Isolated RS-485 output
• 1% Typical RH Accuracy
• Easy wiring with detachable back plate

Power supply
24Vac/dc ±10% @ 1W max
Sensor type
Digital
Temperature

Range
-20°C to 70°C
Typical accuracy
±0.1°C ( 10°C to 60°C) , ±0.15°C ( -20°C to 10°C, 60°C to 70°C)
Maximal accuracy
±0.3°C
Response time (t63%)
2 seconds
Typical long-term drift
< 0.03°C / year
Relative Humidity

Range
0 to 100% RH
Typical accuracy
±1% ( 20% to 70%RH), ±1.5% ( 0% to 20%RH), ±1.8% ( 80% to100%RH)
Maximal accuracy
±2% ( 0% to 90%RH), ±3% ( 90% to100%RH)
Response time (t63%)
4 seconds
Typical long-term drift
< 0.2%RH / year
Communication

Protocol
Modbus RTU protocol over RS485
Country of origin
United Kingdom

AX-RHT-SM015.pdf / High Accuracy RH & T Transmitter, RS485 Modbus