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Sensors & Transmitters
   Data Acquisition
   pH and ORP
   Relative Humidity / Dewpoint
     RH Fixed Installation
     RH Portable Instruments
       HM70 RH Meter & Calibrator
       DM70 Dewpoint Meter & Calibrator
       HM40 Handheld RH & T Meter
       HMI41 Handheld RH & T
       HMK15 Humidity Calibrator
     Probes and OEM Modules
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   Nitrogen Dioxide
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Tel: 1-925-706-7433

Vaisala DM70 Hand-Held Dewpoint Meter
Vaisala Instruments

DM70 Hand-Held Dewpoint Meter


The DM70 Hand-Held Dewpoint Meter measures dewpoint accurately in a wide measurement range. DM70 can be used in many industrial spot-checking applications as well as a one-point calibration check for fixed dewpoint transmitters such as DMT242 and DMP248. DM70 is small and lightweight yet rugged and therefore an ideal choice for even the most demanding applications.

DM70 incorporates Vaisala's advanced DRYCAP® Thin Film Polymer Sensor and auto-calibration software, which corrects possible dry end error and provides long term stability in dry conditions. The probe withstands condensation and also measures directly in pressurized spaces.

DM70 has a truly fast response time. The menu-based interface is easy to use and a graphical LCD display with data logger function provides an easy way to handle measurement data. Various user selectable output units are available.

PDF File Brochure PDF File Technical Data
Dewpoint measurement

Measurement range
     probe A
     probe B
     probe C for SF6 gas

-40 ... +60 °C (-40 ... +140 °F)
-60 ... +20 °C (-76 ... +68 °F)
-50 ... +20 °C (-58 ... +68 °F)
± 2 °C (± 3.6 °F)
Vaisala DRYCAP®

Calculated parameters

Probe A
Probes B & C

Td/f atm, T, ppmv, ppmw, aws, RH, mixing ratio
Td/f atm, T, ppmv, ppmw

Operating environment



-10 ... +60 °C (+14 ... +140 °F), process temperature
up to +200 °C (+328 °F) using DSS70A Sampling System
0 ... 20 bar (0 ... 290 psig)

Inputs and outputs

Power consumption

Analog output
Menu languages

Rechargeable NiMH battery pack with AC power or 4 x AA alkaline batteries, type IEC LR6
0 ... 1 VDC
English, French, German, Spanish, Swedish, Finnish, Russian, Japanese, Chinese

Hand-held Dewpoint Meter Kit, each kit includes: 1-DM70 Indicator with rechargable battery and 115VAC adapter. 1-M170LINK software and USB cable. 1-DMP 74 Probe. 1-DSC 74 Sample cell and quick connector 1-Carrying Case 1-Certificate of calibration, NIST traceable

DM70 Dewpoint Meter & Calibrator

DM70 Hand-held Dewpoint Meter Kit DM70 Hand-held Dewpoint Meter Kit
Price: $3,180.00
Quantity in Basket: none

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