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HD9408.3B.2

Series: HD9408.3B Series – Precision Barometric Transmitters Brand: Delta OHM S.R.L.

0…20 mA or 4…20 mA Configurable Current Analog Output, RS232, RS422 or RS485 Digital Output.

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HD9408.3B-precision-barometer-1.png
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

Documentation

Datasheet

Operating Manual

View Product Series

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