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Home  >>  Products  >>  Moisture/Air/Temperature  >>  Positector DPM III

PosiTector DPM III Dew Point Meter

All PosiTector Advanced models now have WiFi technology

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



The PosiTector DPM Dew Point Meter measures and records climatic conditions including relative humidity, air temperature, surface temperature, dew point temperature and the difference between surface and dew point temperatures. Ideal for surface preparation as required by ISO 8502-4.

  • 5 different Probe Styles to choose from

  • All models have internal memory, auto logging and a USB port

  • No software required - Browse gage readings and charts using your computer’s file explorer or synchronizing with PosiTector.net

  • Universal body accepts all PosiTector DPM, 6000 and SPG probes easily converting from a dew point meter to a coating thickness gage or surface profile gage




  • 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
  • Two-year warranty on body and probe
  • Fast response precision sensors provide accurate, repeatable readings with high reliability and long term stability
  • Smart Trend™ 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
  • Internal Memory stores data sets with the simple touch of a button
  • Auto Log Mode automatically records 5 parameters at user selected time intervals. Ideal for unattended operation
  • Every stored reading is date and time stamped
  • 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)
Powerful In Use
  • Hold function freezes the display allowing readings to be manually recorded
  • USB port for fast, simple connection to a PC and to supply continuous power. USB cable included
  • USB mass storage - stored readings and graphs can be accessed using universal PC/Mac web browsers or file explorers. No software required
  • Software updates via web keep your instrument current
  • Connects to PosiSoft.net
NEW WiFi features allow users to wirelessly...
  • Synchronize stored measurement data with PosiSoft.net
  • Keep your PosiTector up-to-date with the lastest features and functionality
  • Connect to all PosiTector instruments located on the WiFi network to browse stored measurements,
    update batch names/notes, capture photos and more



Technical Data

Technical Data
Specifications Range Accuracy Resolution
Surface Temperature: -40° to 80°C ±0.5°C 0.1°C
80° to 190°C ±1.5°C
-40° to 175°F ±1°F 0.1°F
175° to 375°F ±3°F
Infrared Surface Temperature:* -70° to 380°C ±1°C + (0.01°C/°C)** 0.1°C
-94° to 716°F ±2°F + (0.01°F/°F)** 0.1°F
Air Temperature: -40° to 80°C ±0.5°C 0.1°C
-94° to 716°F ±1°F 0.1°F
Humidity: 0 to 100% ±3% 0.1%
Wind Speed:† 0 to 20 m/s ±3% Full Scale 0.1 m/s
0 to 44 mph 0.1 mph
Dew Point: -60° to 80°C ±3°C‡ 0.1°C
-76° to 175°F ±5.4°F‡ 0.1°F
Size & Weight: 6.25 x 2.4 x 1.2 in. (159 x 61 x 31 mm)
5.3 oz. (150 g) without batteries
* DPM IR models only
** At = 23°C
† DPM A models only
‡ Dependent on RH


Gage Selections - Standard or Advanced Features

Standard Model
Includes ALL features listed above...
  • Monochrome display
  • Storage of 250 readings - stored readings can be viewed or downloaded
Advanced Model
Includes ALL features listed above...
  • Hi Contrast reversible color LCD
  • Storage of 100,000 readings in up to 1,000 batches and sub-batches
  • Smart Batch allows entry of user-defined parameters and criteria to conform to international standards
  • On-Screen help, real time graphing, picture prompting and batch notes
  • Data transfer via USB to a PC or via Bluetooth Wireless Technology to a PC or printer.


Choose from 5 Different Probe Styles

Built-in Probe (DPM)
  • Integral probe with Direct Contact Surface Temperature Sensor
  • Measures dew point, relative humidity, air temperature and surface temperature



Built-in Probe w/Cabled Surface Temperature Sensor (DPMS) Magnetic Probe
  • Includes built-in air temperature/humidity sensor and K-type connector
  • Magnetic surface temperature sensor with armored cable and locking device to prevent accidental disconnection from the instrument during unattended operation.
  • Includes magnetic tab to attach the gage body onto steel structures
Additional Sensors for DPMS Probe (K-Type Thermocouple Sensors)
  • A. Hand-held Surface Temperature Sensor - for spot checking hard-to-reach surfaces
  • B. Self-adhering Surface Temperature Sensor - sticks to solid materials including aluminum, wood, concrete, etc. Ideal for unattended monitoring
  • C. Liquid Temperature Sensor - general purpose sensor with stainless steel shaft
  • Easily converts to accept other optional K-type sensors.



Built-in Probe with Wind Speed Sensor (DPMA)
  • Includes the ambient temperature, surface temperature, and humidity sensors from PosiTector DPM Built-in Probe plus a hot wire anemometer
  • Anemometer mode measures air temperature, relative humidity and wind speed
  • Auto-rotating display for inverted use
  • Wind Speed Range: 0-20 m/s, 0-44 mph, 0-65 ft/s, 0-3900 ft/m, 0-72 km/h, 0-38 knots
  • Wind Speed Accuracy: ± 3% Full Scale



Cabled Probe with 1/2" NPT Threads (DPMD)
  • Measures dew point, relative humidity and air temperature (shown)
  • Sintered aluminum housing protects sensors
  • 1/2" NPT threads for insertion into tanks and pipes (max 200 psi/ 1.3 MPa)



PosiTector DPM IR Probe (DPMIR)
Includes the ambient temperature and humidity sensors from the PosiTector DPM Integral Probe plus an infrared surface temperature sensor.
  • Measures and records environmental conditions including RH, air temperature, surface temperature, dew point temperature, the difference between surface and dew point temperatures.
  • Non-contact surface temperature sensor
  • Measures hard to reach areas and moving parts
  • 4:1 Distance to spot ratio (D:S), optimized for measuring large surfaces, ideal for quickly scanning large structures.
  • Pre-programmed and user adjustable emissivity options


Probe Comparison Chart

Probe Comparison Chart - Select from 5 PosiTector DPM probes
Probe Style DPM
Built-In Probe with Direct Contact Surface Temperature Sensor
Built-In Probe with Infrared Surface Temperature Sensor
Built-In Probe with K-type Cabled Surface Temperature Sensor
Built-In Probe with Wind Speed Sensor
Cabled Probe with 1/2” NPT Threads
Comparison Chart:
Surface Temperature:  
Air Temperature:
Wet Bulb Temperature:*  
Relative Humidity:
Dew Point Temp.:
Surface Temp. minus Dew Point Temperature:  
Wind Speed:        
*Wet Bulb Temperature displayed/recorded on PosiTector Advanced (3) models only


PosiTector Kit

Positector Inspection Kit PosiTector® Inspection Kits, that include all three probe attachments and more, are now available click here for more information.





Prices subject to change    Prices listed in US dollars for domestic shipments within US, Canada, & Mexico only    Export orders require quotations - click here for a quote     For more info call us 1-800-762-2478 or 954-946-9454.
Item Number Item Prices

Humidity, air & surface temperature sensors, Protective rubber holster with belt clip, Wrist strap, 3 AAA alkaline batteries, Instructions, Nylon carrying case with shoulder strap, Protective lens shield, Long Form Certificate of Calibration traceable to NIST, USB cable, Two (2) year warranty.
WE-611101 PosiTector® DPM Built-in Probe, Standard $675.00
WE-611103 PosiTector® DPM Built-in Probe, Advanced 1,075.00
WE-611111 PosiTector® DPM Probe Only, Built-in 395.00
WE-611121 PosiTector® DPMS Built-in Probe with Cabled Surface Temperature Sensor Probe, Standard 775.00
WE-611123 PosiTector® DPMS Built-in Probe with Cabled Surface Temperature Sensor Probe, Advanced 1,175.00
WE-611131 PosiTector® DPMS Probe Only, Separate 495.00
WE-611141 PosiTector® DPMA Built-in Anemometer Probe, Standard 825.00
WE-611143 PosiTector® DPMA Built-in Anemometer Probe, Advanced 1,225.00
WE-611151 PosiTector® DPMA Probe Only, Built-in 545.00
WE-611153 PosiTector® DPMD with Cabled 1/2" NPT Threads Probe Probe, Standard 675.00
WE-611155 PosiTector® DPMD with Cabled 1/2" NPT Threads Probe Probe, Advanced 1,075.00
WE-611157 PosiTector® DPMD Probe Only, Cabled 395.00
WE-611161 PosiTector® DPM IR1 Built-In, Standard 725.00
WE-611163 PosiTector® DPM IR3 Built-In, Advanced 1,125.00
WE-611165 PosiTector® DPM IR Probe Only, Built-In 445.00
Additional Sensors
WE-610041 Hand-Held Sensor, K-Type 150.00
WE-610045 Self-Adhering Sensor, K-Type 35.00
WE-610049 Liquid Temperature Sensor, K-Type 85.00
DF-656621 PosiTector SmartLink - Click for more info 495.00
DF-656451 Bluetooth Printer - For Advanced Models only 425.00
DF-656453 Bluetooth & IR Printer Paper (10 Rolls) 20.00
DF-656444 Rechargeable Battery Pack 20.00
DF-656446 AC Power Kit 45.00
DF-656442 Protective Lens Shields (5) 10.00


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