Defelsko PosiTector DPM - Dew Point Meter

Measures and records climatic conditions including: Relative humidity, air temperature, surface temperature, dew point temperature and difference between surface and dew point temperatures.

Ideal for surface preparation as required by ISO 8502-4, BS 7079-B4, ASTM D3276, IMO PSPC, SSPC-PA7 and US Navy NSI 009-32.

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Defelsko PosiTector DPM - Dew Point Meter
  • Defelsko PosiTector DPM - Dew Point Meter
  • Defelsko PosiTector DPM - Dew Point Meter

Simple to use

  • Large, easy-to-read, graphics LCD
  • Enhanced one-handed menu navigation
  • No need to consult complex tables or use a slide rule calculator
  • Audio and visual alarm – indicates when climate conditions are unsuitable for painting
  • All readings are constantly updated and displayed simultaneously
  • RESET feature instantly restores factory settings


  • Rugged, outdoor/indoor instrument
  • Solvent, acid, oil, water and dust resistant – weatherproof
  • Shock-absorbing, protective rubber holster with belt clip and wrist strap
  • Two (2) year warranty on body and probe


  • Fast response precision sensors provide accurate, repeatable readings with high reliability and long term stability
  • SmartTrend™ Indicators identify rising, falling or stable readings
  • Certificate of Calibration showing traceability to NIST included
  • Conforms to national and international standards including ISO and ASTM


  • PosiTector body accepts all PosiTector 6000, 200, DPM, UTG, RTR and SPG probes easily converting from a coating thickness gauge to a dew point meter, surface profile gauge or wall thickness gauge
    Positector universal probes
  • Internal Memory stores datasets with the simple touch of a button
  • Auto Log Mode automatically records 5 parameters at user selected time intervals. Ideal for unattended operation.
  • Field calibratable
  • Celsius/Fahrenheit switchable
  • Selectable display languages
  • Hi Contrast backlit display for bright or dark environments
  • Flip display enables right-side-up viewing
  • Uses alkaline or rechargeable batteries (built-in charger)


  • Hold function freezes the display allowing measurements to be manually recorded
  • USB port for fast, simple connection to a PC and to supply continuous power. USB cable included
  • Screen Capture - record and save image into USB flash memory for record keeping and review
  • Software updates via web keep your gauge current
  • PosiSoft solutions for viewing, analyzing & reporting data:
    • PosiSoft USB Drive -stored readings and graphs can be accessed using universal PC/ Mac web browsers or file explorers. No software required
    • account - a free web-based application offering secure storage of thickness readings
    • PosiSoft 3.0 - desktop software (PC/Mac) for downloading, viewing, printing and storing measurement data. Available as a free download.
    • PosiSoft Mobile - (Advanced models only) - access readings, graphs, capture photos and update notations through WiFi enabled devices such as tablets, smart phones and computers
  • Every stored measurement is date and time stamped

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Surface Temperature: -40° to 190° C

Air Temperature: -40° to 80° C

Humidity: 0 to 100%


Surface Temperature:
-40° to 80° C — ± 0.5° C
80° to 190° C — ± 1.5° C

Air Temperature: ± 0.5° C

Humidity: ±3%


Surface Temperature: 0.1° C

Air Temperature: 0.1° C

Humidity: 0.1%

Dimensions 178 x 64 x 31 mm
Weight 185g without batteries
Power 3 AAA batteries (included)


Certified at 33% and 85% relative humidity

Calibration is done by comparison to a National Measurement Institute of Australia Certified Humidity Datalogger and Probe, calibrated in accordance with PCWI Reference Document LWI 8.

Humidity Uncertainty of Measurement: ±3.0%rh up to 90.0%rh

Ambient temperature certified at 20°C

Surface temperature probe certified at nominally 0°C and 20°C

View all calibration & certification services

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