PosiTector® DPM L

Dew Point Meter Logger

Magnetic probe attaches to steel structures for monitoring climatic conditions.


Measures and records climatic conditions including: relative humidity, air temperature, surface temperature, dew point temperature, difference between surface and dew point temperatures, and wet bulb temperature.
Fast response, precision sensors provide accurate, repeatable readings
Environmentally sealed enclosure – weatherproof, dustproof, and shockproof—meets or exceeds IP65
Internal memory storage of 10,000 datasets (60,000 readings)
Conforms to ISO 8502-4, BS 7079-B4, ASTM D3276, IMO PSPC, SSPC-PA7 and US Navy NSI 009-32

Size: Ø50 mm x 38 mm (Ø2" w x 1.5" h)

Weight: 50 g (1.8 oz.) without battery

Memory: 10,000 datasets

@ 5 min interval = 34 days
@ 10 min interval = 68 days
Logging Measurement Interval: Adjustable from 1 min – 8 hours

IP Rating: 65

Battery Life^:

@ 5 min interval = 120 days
@ 1 hour interval = 200 days

^ The stated battery life is for unattended logging. Battery life is reduced while connected to the PosiTector App or instrum