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0…20 mA or 4…20 mA Configurable Current Analog Output, RS232, RS422 or RS485 Digital Output.
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0…20 mA or 4…20 mA configurable current analog output, RS232, RS422 or RS485 digital output. MODBUS-RTU and NMEA standard protocols. Provided with free 8-pole M12 connector. The cable CP18… must be ordered separately
Specifications
Brand
Sensor
- High accuracy piezoresistive
Measuring Range
- HD9408.3B.1 and HD9408.3B.2: digital outputs: 0 to 1350 hPa, analog outputs: 500 to 1200 hPa
- HD9408.3B.3: 100 to 1350 hPa
Resolution
- 0.01 hPa
Accuracy
- ± 0.1 hPa (500 to 1200 hPa) / ± 0.2 hPa (remaining range) @ 23° C
- ± 0.3 hPa (500 to 1200 hPa) / ± 0.4 hPa (remaining range) in the entire temperature
- operating range -40 to +85° C
Measuring Units with Modbus and SDI-12 Protocols
- Pa
- hPa
- kPa
- bar
- atm
- psi
- mmHg
- inHg
- mmH₂O
- ftH₂O
- kg/cm²
- Torr
Long Term Stability at 25° C
- 0.25 hPa/year
Output Signal
- HD9408.3B.1 - RS-485, RS-422, RS-232, analog voltage output 0 to 5 / 1 to 5 V
- HD9408.3B.2 - RS-485, RS-422, RS-232, analog active current 0 to 20 / 4-20 mA
- HD9408.3B.3 - SDI-12
Warm-Up Time
- 2 s approximately from powering
Measuring Period
- HD9408.3B.1 and HD9408.3B.2: 16 ms
- HD9408.3B.3: upon user request
Analog Output Response Time
- 150 ms to reach 90 % of final value with step pressure input (from 600 to 1000 hPa)
Overpressure Limit
- 3 x f.s.
Compatible Media
- Only dry air and non corrosive gases
Power Supply
- HD9408.3B.1 and HD9408.3B.2: 10 to 30 Vdc
- HD9408.3B.3: 8 to 30 Vdc
Absorption
- HD9408.3B.1 and HD9408.3B.2: < 10 mA @ 12 Vdc
- HD9408.3B.3: < 200 µA @ 12 Vdc (average consumption between two subsequent measurements)
Pressure Connection
- Ø 5 mm flexible tube
Electrical Connections
- M12
Operating Conditions
- -40 to +85° C / 0 to 100 % RH
Storage Temperature
- -40° to +85° C
Housing Material
- Anticorodal
Protection Degree
- IP67
