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Portable Dew Point Products

Intrinsically Safe Portable Dewpoint Hygrometer

  • Intrinsically Safe - ATEX II 1G:
    Ex ia IIC T4 (Ta -20ºC to +37ºC)
    Ex ia IIC T3 (Ta -20ºC to +50ºC)
  • Various Ranges: Overall Range -110C to +20C Dewpoint
  • Accuracy Guaranteed to 2C Dewpoint
  • Selectable Engineering Units in C, F, ppb(v), ppm(v), ppm(w), g/m & lb/MMSCF
  • Desiccant Dry-Down Chamber for Rapid Measurements
  • Battery Life - 250 Hours of Continuous Operation
  • Self-Diagnostics on Start-up
  • Automatic Switch Off
  • Quick Connect SS Coupling
  • Portable - Fully Self Contained
  • User Friendly - Simple Operation

This is a fully self-contained digital portable hygrometer which will deliver the most dependable moisture measurements in industrial and laboratory applications.

The unit is certified intrinsically safe, for use in hazardous environments, to ATEX II 1G Ex ia IIC T4 (Ta -20ºC to +37ºC) or Ex ia IIC T3 (Ta -20ºC to +50ºC), without requiring any additional accessories.

The incorporation of stainless steel quick connect fittings, together with the Desiccant Dry-Down Chamber, allows rapid measurements which saves both time and cost.

Model DSP-Ex is extremely easy to use and allows the operator to select the readout in a number of different moisture units.

Model DSP-Ex is supplied ready for use with batteries installed, calibration certificate traceable to National and International Humidity Standards, two metres of stainless steel braided PTFE sampling hose, instruction manual and an antistatic carrying case for use in hazardous areas.

The Model DSP-Ex is still available although now a legacy product, the New SADPmini2-Ex is proving to be a very popular stubstitute to the Model DSP-Ex in 2022. See SADPmini2-Ex product page for details on all the extra benefits.

DSP-Ex.pdf data sheet
(requires Adobe acrobat)

alpha moisture systems
Alpha House, 96 City Road
t:+44 (0)1274 733 100  f:+44(0)1274 733 200