Technical data, Specifications, Performance – Vaisala DMT132 User Manual
Page 69: Measured variables, Dmt132, Chapter 7
Chapter 7 ____________________________________________________________ Technical Data
VAISALA _______________________________________________________________________ 67
CHAPTER 7
TECHNICAL DATA
This chapter provides the technical data of the DMT132.
Specifications
Performance
Measured Variables
Dewpoint temperature
Measurement range
-20 ... +50 °C (-4 ... +122 °F) T
d
Accuracy at +20 °C (+68 °F)
±1 °C for -3 ... 20 °C (+26.6 ... +68 °F) T
d
±2 °C for -15 ... -3 °C (+5 ... +26.6 °F) T
d
Response time at 20 °C (+68 °F) gas temperature and 1 bar pressure
-20 -> +50 °C (-4 -> +122 °F) T
d
17 s (63 %)
40 s (90 %)
+50 -> -20 °C (+122 -> -4 °F)T
d
33 s (63 %)
85 s (90 %)
D
e
w
po
int
t
e
m
p
er
at
u
re
(
°C)
0
20
20
0
10
30
-10
-20
-30
-10
10
30
40
50
60
Temperature of measured gas (°C)
50
40
60
Accuracy
±1 °C
Accuracy
±2 °C
1101-058
Figure 28
Accuracy Over Temperature Range
When dewpoint is below 0 °C, the transmitter outputs frostpoint for T
d
.