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HP481

Series: HP480/HP481 – Measurement of Dew Point in Compressed Air Systems Brand: Delta OHM S.R.L.

Probes for the measurement of air humidity in pipes.

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Specifications

Brand

Relative Humidity Sensor

  • capacitive

Relative Humidity Measuring Range

  • 0 to 100 %RH

Relative Humidity Accuracy (@ T = 15…35° C)

  • ± 1,5 %RH (0 to 90 %RH), ± 2 %RH (remaining field)

Relative Humidity Accuracy (@ T = -40…+60° C)

  • ± (1,5 + 1,5 % of the measured value) %RH

Relative Humidity Long Term Stability

  • < 1 %RH/year

Temperature Sensor

  • Pt100

Temperature Measuring Range

  • -40° to +60° C

Temperature Accuracy

  • ± 0,25° C

Dew Point Sensor

  • Parameter calculated from the measurement of temperature and relative humidity

Dew Point Measuring Range

  • -40 to +60° C DP

Dew Point Accuracy (@ T = 20° C)

  • ± 2° C DP (-40 to 0° C DP)
  • ± 1° C DP (0 to +20° C DP)

Connection

  • HP480: G 1/2” or G 1/4” or quick coupling
  • HP481: G 1/2”

Regulation of the Air Flow

  • HP480: From 0,2 to 3 l/min

Cable Length

  • HP480: 2 m
  • HP481: 2 m (other lenghts on request)

Filter

  • Sintered 15 µ AISI 316 steel

Material of the Measuring Chamber

  • AISI 304 stainless steel

Operating Temperature of the Probe

  • -40° to +80° C

Operating Pressure of the Probe

  • HP480: 0 to 16 bar
  • HP481: -1 to 16 bar

Protection Degree

  • IP65

Compatibility with Ethylene Oxide (C2H4O)

  • The Max. allowed concentration in continuous operation which causes a deviation within 2 % is 3 ppm

Documentation

Datasheet

View Product Series

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