HK Instruments Siro-MOD-T-A-D Indoor Air Quality Transmitter (0 - 50°C)

Measurement ranges:

+ Temperature: 0...50 °C

Communication: RS-485 Modbus (RTU)

Accuracy:   

+ Temperature: ±0.4 °C (typical at 20 °C) 

Measuring elements: 

+ Temperature: Integrated to CMOS 

Measuring units: 

+ Temperature: °C 

Calibration (CO2): Automatic self-calibration, ABC LogicTM

Supply voltage: 24 VDC/VAC ±10 %

Output signal 1–4: 0...10 V (optional 2...10 V / 0...5 V, display or configuration tool required); Optional 4...20 mA

Linear to selected measurement (CO2, VOC, PM, rH or Temp) 

Operating temperature: 0...50 °C

Protection standard: IP20

Noted:

T = Temperature sensor

A = mA output

D = Display