10. Technical Data
10.1 DMT143 Specifications
Table 17 Measurement Performance
Property Description/Value
Sensor Vaisala DRYCAPâ 180D
Sensor protection Stainless steel sintered filter
Recommended calibration interval to confirm
the specified accuracy
2 years
Dew Point Temperature
Measurement range (typical) -70 … +60 °C (-94 … +140 °F) T
d
Accuracy in air or N2
1)
±2 °C (±3.6 °F) T
d
(see graph below)
0 20
20
0
10
30
-10
-20
-30
10 30 40 50 60
40
Dew point temperature (°C)
Temperature of measured gas (°C)
-40 -30 -20 -10
-40
-50
-60
-70
50
60
-80
-90
Accuracy
±3 °C Td*
Not recommended for
continuous measurement
Accuracy
±2 °C Td
Water vapo
r saturation l
ine
* > 12 bar, accuracy ±4 °C Td
Analog output scalings:
Option 1 -80 … +20 °C (-112 … +68 °F) T
d
Option 2 -80 … +20 °C (-112 … +68 °F) T
d
dew point at
ambient pressure
Chapter 10 – Technical Data
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