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Output
RS485 (Modbus-RTU or ASCII proprietary protocol) + analog 0/4…20 mA or 0…1 V
Power supply: 8…30 Vdc
Materials
Transmitter: polycarbonate, pressure input in nickel-plated brass
BAROMETRIC PRESSURE
Sensor: Piezoresistive
Measuring range: 300…1100 hPa
Configurable for the analog output: default 600…1100 hPa
Resolution:
0.1 hPa for the display
0.01 hPa for the output
Accuracy
± 0.5 hPa (700…1100 hPa) @ 20 °C
±1 hPa (500…1100 hPa)
±1.5 hPa (300…500 hPa) @ T=(0…60 °C)
Long-term stability: < ±1 hPa/year
RELATIVE HUMIDITY
Sensor: Capacitive
Measuring range: 0…100 %RH
Resolution: 0.1%
Accuracy:
± 2.5% (0…85%)
± 3.5% (85…100%) @ T=23 °C
Temperature drift: 0.05%/K (0…60 °C)
Sensor operating temp.: -40…+105 °C (R.H. max= [100-2*(T-80)] @ T=80…105 °C)
Response time: T63 < 4 s (air speed = 2 m/s, without filter)
Long-term stability: < 1%/year (@ 23 °C and 30…70 %RH)
TEMPERATURE
Sensor: PTAT integrated in humidity module
Measuring range: -40…+105 °C
Resolution: 0.1 °C
Accuracy
± 0.2 °C in the range 0…+60 °C
± (0.2 – 0.05 * T) °C in the range T=-40…0 °C
± [0.2 + 0.032 * (T-60)] °C in the range T=+60…+105 °C
Long-term stability: 0.05 °C/year
