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DPM-L PosiTector Dew Point Meter Logger

This  magnetic recorder is fixed to steel structures for the purpose of moniting weather conditions. The DPM-L measures and records climatic parameters including: relative humidity, ambient temperature, surface temperature, dew point temperature, the difference between surface and dew point temperatures and bulb temperature. This innovative dew pont meter logger is ideal for surface preparation as required by ISO 8502‐4 and keeps registrations for up to 200 days.

Furthermore, the DPM-L can be combined with the free PosiTector application and is delivered with a calibration certificate connected to NIST.

The PosiTector Dew Point Meter Logger comes with a guarantee of 2 years.

  • Attaches to steel structures to measure and record environmental parameters independently for up to 200 days. Stored datasets can be downloaded using a PosiTector Advanced gage body or Apple/Android smart device.
  • Records parameters at user selected intervals from 1 min. to 8 hrs.
  • Environmentally sealed enclosure – weatherproof, dustproof, and shockproof — meets or exceeds IP65
  • Fast response precision sensors provide accurate, repeatable readings
  • Internal memory storage of 10,000 datasets (60,000 readings)
  • Kensington Security Slot for anti-theft protection. Kensington Lock sold separately.
  • Uses common lithium coin cell batteries (CR2032)
  • Certificate of Calibration showing traceability to NIST included
  • Two year warranty

Measuring range:
Measuring Range      
  Range Accuracy Resolution
Surface Temperature -40° to 80°C ±0.5 C° 0.1°C
Surface Temperature -80° to 190°C ±1.5 C° 0.1°C
Air Temperature -40° to 80°C ±0.5°C 0.1°C
Humidity 0 to 100% ±3% 0.1 %
Dew Point -60° to 80°C ±0.3°C* 0.1°C

*Depend on RH. See Dew Point (Td) Accuracy for more information




Dimension: Ø50 mm x 38 mm
Weight: 50 g without battery
Operating Range: -10° to 60° C
Data memory: 10,000 datasets @ 5 min interval = 34 days @ 10 min interval = 68 days
Logging Measurement Interval: Adjustable from 1 min – 8 hours
Type of battery: Lithium coin cell batteries (CR2032)
Battery life: at 5 min interval = 120 days at 1 hour interval = 200 days
IP Rating: 65
Guarantee: 2 years

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