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       DMT242 Dewpoint Transmitter
       DMT152 Dewpoint Transmitter
       DMT142 Dewpoint Transmitter
       HMP155 Humidity &Temp Probe
       HMP50 Humidity and Temp Probe
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Vaisala DMT152 Dewpoint Transmitter
Vaisala Instruments

DMT152 Dewpoint Transmitter

Vaisala DMT152 Series

Designed for OEM system integrations. Ideal for industrial applications to control very low humidity
The Vaisala DRYCAP® Dewpoint Transmitter DMT152 is designed for measuring low dewpoint in OEM applications, even down to -80°C . The excellent long-term stability and reliability of its performance is based on the latest DRYCAP® polymer sensor technology.

Low maintenance
The DMT152 mechanics have been designed for harsh environments requiring protection against dust, dirt, and splashed water. The DRYCAP® technology has a low maintenance need due to its excellent long-term stability and durability against condensation.

  • Compact
  • Accurate
  • Vaisala DRYCAP® technology with a polymer sensor
  • Measures dewpoint down to -80 °C (-112 °F )
  • Reduced maintenance costs due to long calibration interval
  • Fast response time
  • Withstands condensation
  • NIST traceable
  • Applications: compressed air, plastics drying, dry chambers, pure gases, and high-voltage circuit breakers
PDF File Datasheet
Dewpoint temperature measurement

Measurement range
Accuracy
Sensor

-80 ... -30 °C (-112 ... -22 °F) Td
± 2 °C (3.6 °F) Td
Vaisala DRYCAP® 180U

ppmvolume concentration measurement

Measurement range (typical)
Accuracy at +20 °C (+68 °F), 1013 mbar

0 ... 500 ppm
±(0.2 ppm + 20 % of reading)

Operating environment

Temperature
Relative humidity
Pressure
Measured gases
Sample flow rate

-40 ...+60 °C (-40 ... +140 °F)
0 ... 100 %RH (up to +20 °C / +68 °F)
0 ... 50 bar (725 psia)
non-corrosive gases
no effect on measurement accuracy

Inputs and outputs

Two analog outputs (scalable)
Digital output
On/Off output is available (instead of the 2nd analog output)
Operating voltage with
     RS485 output
     voltage output
     current output

4 ... 20 mA, 0 … 20 mA (3-wire), 0 ... 5 V,
0 … 10 V
RS485 (2-wire)

11 …28 VDC
15 ... 28 VDC
21 ... 28 VDC

Mechanical

Housing material (wetted parts)
Housing classification
Stainless steel mesh filter
Mechanical connections
     option 1
     option 2
     option 3
Weight (ISO G1/2")

AISI316L
IP65 (NEMA 4)
AISI303, filter grade, 18 µm

ISO G1/2"
NPT1/2"
UNF 3/4" -16
190 g (6.70 oz)


DMT152 Dewpoint Transmitter



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