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계측장비
HAND-HELD DM70, DMT SERIES

Dewpoint Meters (portable)

Hand-Held Dewpoint Meter DM70

Dewpoint measurement
Measurement range
     probe A : -40 ... +60 °C (-40 ... +140 °F)
     probe B : -60 ... +20 °C (-76 ... +68 °F)
     probe C : -50 ... +20 °C (-58 ... +68 °F)
Accuracy : ± 2 °C (± 3.6 °F)
Sensor : Vaisala DRYCAP®

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

Inputs and outputs
Power consumption :  Rechargeable NiMH battery pack with AC power or
                               4 x AA alkaline batteries, type IEC LR6
Analog output      : 0 ... 1 VDC
Menu languages    : English, French, German, Spanish, Swedish, Finnish

Mechanics
Weight             :  400 g
Housing classification : IP54


Dewpoint Transmitter (fixed)

DMT SERIES

DMT242

Dewpoint temperature measurement
Measurement range : -80 ... +60 °C (-112 ... +140 °F)
Accuracy : -60 ... +60 °C (-76 ... +140 °F) ± 2 °C (± 3.6 °F)
Sensor   : Vaisala DRYCAP® 180M

Operating environment
Temperature  : 0 ... +60 °C (+32 ... +140 °F)
Relative humidity :  0...100 % RH
Pressure   : 0 ... 20 bar (0 … 290 PSI)

Inputs and outputs
Operating voltage  17 - 35 VDC
           20 - 28 VDC
Power consumption
@ 24 VDC      max. 220 mA
Analog output    4 ... 20 mA

Mechanics
Material (electronics housing) :  Plastic (ABS/PC)
Housing classification : IP65 (NEMA 4)

DMT142

Dewpoint temperature measurement
Measurement range (typical) - -60 ... +60 °C (-76 ... +140 °F) Td
Accuracy (-50 ... +60 °C / -58 ... +140 °F) ± 3 °C (± 5.4 °F) Td
Sensor   Vaisala DRYCAP® 180D

ppm volume concentration measurement
Measurement range - 70 ... 200 000 ppm
Accuracy at +20 °C (68 °F),  1013 mbar  7.3 ppm + 9.2 % of reading

Operating environment
Temperature - 0 ...+60 °C (+32 ... +140 °F)
Relative humidity - 0 ... 100 %RH
Pressure - 0 ... 20 bara (290 psia)

Inputs and outputs
Operating voltage
  with voltage output - 12 ... 28 VDC
  with current output - 18 ... 28 VDC
Analog output (scalable) -   4 ... 20 mA (3-wire)
                                       0 ... 1 V
                                       0 ... 5 V

Mechanics
Weight - 118 g (4.16 oz)
Material (housing) - stainless steel body (AISI 316L), plastic cap (ABS/PC)
Housing classification - IP65 (NEMA 4)