Hygrometers arrow DeFelsko PosiTector Dew Point Meter

PosiTector Dew Point Meter

Part#: PosiTector DPM
Supplier: DeFelsko
Calibration Certificate: is available at extra cost
Photo Gallery - click any photo to enlarge

For environmental monitoring, this versatile Dew Point Meter PosiTector DPM allows fast, accurate and stable measurements of relative humidity, air temperature, surface temperature, dew point temperature and displays a variety of calculated parameters such “Td” – dew point temperature and “Ts-Td” – the difference between surface and dew point temperature.

Stable and durable, the Dew Point Meter features a large, easy-to-read graphics LCD and fast response precision sensors to provide repeatable readings. For expanded functionality, the PosiTector DPM comes also with an exceptional wireless capabilities including WiFi technology, Wireless Access Point and Bluetooth Wireless Technology for data transfer to a PC or optional portable printer.

With the PosiTector DPM the readings are constantly updated and displayed simultaneously. For manual monitoring , the Dew Point Meter comes with “freeze” function, that allows measurements to be manually recorded by "freezing" the results on display. 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.

PosiTector body accepts all PosiTector 6000 , PosiTector 200 , DPM, PosiTector UTG , RTR and PosiTector SPG probes easily converting from a coating thickness meter to a dew point meter, surface profile gage or wall thickness gage.

PosiTector dew point meter


  • Enhanced one-handed menu navigation
  • Fast response precision sensors provide accurate, repeatable readings with high reliability and long term stability
  • SmartTrend™ Indicators identify rising, falling or stable readings
  • No need to consult complex tables or use a slide rule calculator
  • Internal Memory stores datasets with the simple touch of a button
  • Audio and visual alarm – indicates when climate conditions are unsuitable for painting
  • Celsius/Fahrenheit switchable
  • All readings are constantly updated and displayed simultaneously
  • Hi Contrast backlit display for bright or dark environments
  • Flip display enables right-side-up viewing
  • 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
  • Certificate of Calibration showing traceability to NIST included
  • Conforms to national and international standards including ISO and ASTM
  • Auto Log Mode  automatically records 5 parameters at user selected time intervals. Ideal for unattended operation.
  • Field calibratable
  • Selectable display languages
  • Uses alkaline or rechargeable batteries (built-in charger)
  • 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
  PosiTector DPM - Feature Comparison Chart Standard(1) Advanced(3)




PosiTector DPM body standard PosiTector DPM body advanced
  General Features Standard Advanced

All features shown above

Accepts all coating thickness (6000/200/PC), environmental (DPM), surface profile (RTR/SPG), and ultrasonic wall thickness (UTG) probes.

Hi Contrast LCD Display

Monochrome Color

User defined limits for all parameters with visible and audible warnings

 PosiTector DPM specs
  Memory Features & Capacity Standard Advanced

Dataset Storage Capacity (1 dataset = RH, Ta, Ts, Td, Ts–Td) Stored readings can be viewed or downloaded

2,500 in
one group
20,000 in up to
1000 groups

Auto Log Mode automatically records all 5 parameters at user selected time intervals. Runs unattended on batteries or continuously via USB.

Unattended battery life (using 3 AAA alkaline batteries)

up to 50 hours up to 8 months

Trend Charts graph readings in real-time.


Batch Annotation - Create meaningful batch names and enter notes directly on the instrument using a familiar
on-screen QWERTY keyboard.

PosiTector DPM specs

Real time graphing, picture prompting and batch notes

 PosiTector DPM specs
  PosiSoft Solutions - 4 ways to view and report your data Standard Advanced

PosiSoft USB Drive - stored readings and graphs can be accessed using universal PC/ Mac web browsers or file explorers. No software required

PosiSoft 3.0 - desktop software (PC/Mac) for downloading, viewing, printing and storing measurement data from DeFelsko inspection instruments. No internet connection required.

PosiSoft.net - a free web-based application offering secure storage of thickness readings

PosiSoft Mobile - gage-based software application allows access to readings, graphs, capture photos and update notations through WiFi enabled devices such as tablets, smart phones and computers

 PosiTector DPM specs
  Connection Options Standard Advanced

USB port for fast, simple connection to a PC and to supply continuous power. USB cable included

WiFi technology - allows the PosiTector to connect to a WiFi network to wirelessly synchronizes with PosiSoft.net, downloads software updates, and connects to mobile devices for expanded functionality

 PosiTector DPM specs

Wireless Access Point - directly connect your smart device (phone/tablet) or WiFi-enabled computer to a PosiTector Advanced body without the need for WiFi network access or a Mobile Hotspot.

Ideal for...

  • importation of stored measurements into PosiSoft 3.0 Desktop software (PC & Mac) wirelessly
  • access to PosiSoft Mobile anywhere wirelessly
 PosiTector DPM specs


Bluetooth Wireless Technology for data transfer to a PC or optional portable printer.  PosiTector DPM specs

Stream datasets via USB or Bluetooth wireless at specified Auto Log intervals. Ideal for remote monitoring.

 PosiTector DPM specs
PosiTector DPM -  Probe overview

PosiTector DPM probesBuilt-in Probe

  • Includes built-in air temperature/humidity sensor and thermocouple surface temperature sensor

Separate 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
  • Easily converts to accept other optional
  • K-type probes including:
    • A) Hand-held Surface Temperature Probe – for spot checking hard-to-reach surfaces
    • B) Self-adhering Surface Temperature Probe – sticks to solid materials including aluminum, wood, concrete, etc. Ideal for unattended monitoring.
    • C) Liquid Temperature Probe – general purpose probe with stainless steel shaft



K-Type Probe 

Software and analyzing data


Desktop software for downloading, viewing, printing and storing measurement data from DeFelsko inspection instruments. No internet connection required.
The PosiSoft suite of software solutions offers 4 FREE ways to view and report your data, ranging from dedicated desktop software for PC and Mac computers to cloud-based PosiSoft.net.

    PosiSoft® 3.0 Desktop Software
  • Import (download) measurement data
    via USB (all gages) or WiFi (PosiTector Advanced models only)
  • Customize reports
    by adding pictures, logos, screen captures, notes and more
  • Storing and sharing data on a network or cloud-drive
    Measurement data is copied (imported) from the instrument to a user selectable location
  • Custom layouts
    Using a simple drag and drop Template Design toolbox; save layouts for future use
  • Comma-separated text files
    Downloaded data is stored in comma-separated text files which can easily be imported into supporting applications such as documents, spreadsheets and databases
 posisoft_net.jpg posisoft_usb_drive.jpg posisoft mobile

- Synchronize measurement data when connected via USB, Bluetooth or WiFi wireless technology
- Generate reports with graphs, annotations and images;
- Share measurement data with authorized users via a secure login from any computer or web-enabled device;
- Export data to popular formats such as XML, .CSV (comma-separated
values), and CQATK for further
- Securely stores data in the cloud
- Synchronize images and batch
notes to your PosiTector
- Compatible with PosiTector SPG/DPM/6000/200/UTG Standard & Advanced instruments
- Internet connection required

PosiSoft® USB Drive
- Access your PosiTector as a flash drive;
- View and print readings and graphs
using universal PC/Mac web browsers or file explorers;
- Comma-Separated Text Files
Measurement data is stored in commaseparated text files which
can easily be imported into supporting applications such as documents, spreadsheets and databases;
- Simple file management
copy and paste data from the PosiTector to a local folder on your computer, network or cloud-drive.

PosiSoft Mobile
- Browse stored measurement data including notes, images, statistics
and charts;
- Update batch names/notes using your mobile device’s keyboard
- Insert images directly into gage batches using your mobile device’s
camera or image library
- Remotely view the live display of a working PosiTector
- Email data as PDF reports or .CSV comma-separated text files
- Accessible from any WiFi enabled computer or smart device using a
standard web browser including PC/Mac, Windows Phone/Mobile,
Blackberry, Android, Apple iOS and more


PosiTector DPM: How to order

buy PosiTector DPM

ALL GAGES COME COMPLETE with humidity, air and surface temperature sensors, protective rubber holster with belt clip and wrist strap, 3 AAA batteries, instructions, nylon carrying case with shoulder strap, protective lens shield, Certificate of Calibration traceable to NIST, USB cable, two (2) year warranty.

  • SIZE: 178 x 64 x 31 mm (7 x 2.5 x 1.2 in.)
  • WEIGHT: 185 g (6.5 oz.) without batteries
  • CONFORMS TO: ISO 8502-4, BS 7079-B4, and ASTM D327
Probe Style Built-in probe Separate probe


PosiTector DPM built-in probe PosiTector DPM separate probe
Order Code Order Code
Body and


Advanced   DPM3 DPMS3

We sell a wide range of portable Hygrometers in Canada, designed for reliable, repeatable and accurate measurement of humidity, dew point and temperature. Our humidity meters, infrared thermometers and environmental meters feature reliability, accuracy and are able to be calibrated in a sensitive, environmentally controlled laboratory trough the ISO 17025 standard.

Need to have this new DeFelsko PosiTector DPM PosiTector Dew Point Meter calibrated? While this gauge has passed a quality control check, having a calibration certificate for hygrometers might be required by your quality control system. Digital Measurement Metrology (owner of ProcessInstruments.ca) is a canadian metrology company with more than 25 years of experience. Our Brampton, Ontario based calibration lab has one of the most comprehensive ISO 17025 accredited calibration scope in Canada.

Do you have an old DeFelsko gauge to be calibrated? We might be able to calibrate DeFelsko hygrometers (DeFelsko PosiTector DPM or a different model) and provide an ISO, NIST traceable calibration certificate. Please contact our metrology lab for more info.

Ordering info

SKUDescriptionUnitPriceIn Stock
PosiTector DPMDeFelsko PosiTector Dew Point Meterpiece 0

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