Vaisala DRYCAP DMT143 - Technical Data; DMT143 Specifications

Property Description/Value
Option 3 Free scaling
Response time 63 % [90 %] at +20 °C gas temperature and 1 bar pressure and 1 liter/min flow rate:
-70 → -20 °C T
d
(-94
→ -4 °F T
d
)
5 s [15 s] (typical)
-20 → -70 °C T
d
(-4 → -94 °F T
d
) 45 s [10 min] (typical)
Water Concentration by Volume (ppm)
Measurement range (typical) 10 … 40 000 ppm
Accuracy at +20 °C (+68 °F), 1 bar 1 ppm + 20 % of reading
1) When the dew point is below 0 °C (32 °F), the transmitter outputs frost point.
Table 18 Operating Environment
Property Description/Value
Measured gases Non-corrosive gases
Temperature
1)
-40 … +60 °C (-40 … +140 °F)
Relative humidity 0 … 100 % RH
Pressure
1)
0 … 50 bar
a
(7
25 psi
a
)
Sample flow rate No eect for measurement accuracy
Storage temperature -40 … +60 °C (-40 … +140 °F)
1) For extended temperature below 0 °C (+32 °F) or pressure above 20 bar
a
(2
90 psi
a
) the
supply voltage must be 24 … 28 VDC.
Table 19 Inputs and Outputs
Property Description/Value
Analog output (scalable) 4 … 20 mA (3-wire), 0 … 1 V / 5 V, 1 … 5 V
Resolution for current output 0.002 mA
Resolution for voltage output 0.3 mV
Accuracy for current output at +20 °C ± 0.05 mA
Accuracy for voltage output at +20 °C ± 0.01 V
Operating voltage with voltage output 12 … 28 VDC
Operating voltage with current output 18 … 28 VDC
Load for current output Max. 500 Ω
Load for voltage output Min. 10 kΩ
DMT143 User Guide M211435EN-J
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