GHM DeltaOHM BAROsense, Руководство по эксплуатации

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BAROsense
- 4 -
V1.2
2 TECHNICAL SPECIFICATIONS
Barometric pressure
Sensor Piezoresistive
Measuring range
300…1100 hPa
Configurable for the analog output: default 600…1100 hPa
Resolution See table below
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 ( with optional external T/RH probe )
Sensor Capacitive
Measuring range 0…100%
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 T
63
< 4 s (air speed = 2 m/s, without filter)
Long-term stability < 1%/year (@ 23 °C and 30…70%)
Temperature ( with optional external T/RH probe )
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
General specifications
Output RS485 with Modbus-RTU or ASCII proprietary protocol
Optional analog output, selectable in current (0/4…20 mA) or volt-
age (0…1 V, 0…5 V or 0…10 V, depending on the model)
Current output load resistance: R
L
< (Vdc-7)/0,022)
Voltage output load resistance: R
L
> 10 k
Ω
Power supply BAROsense-M : 7…30 Vdc
BAROsense-1
and
BAROsense-5
: 8…30 Vdc
BAROsense-10 : 15…30 Vdc
Consumption 4 mA @ 24 Vdc (+ output current if current output is used)
Connection Internal screw terminal header / PG7 cable gland for power supply
and output. Optional M12 connector for the T/RH external probe.
Operating conditions -40…+60 °C (-20…+60 °C con LCD) / 0…100%RH
Compatible media Air and dry gases