USER'S GUIDE____________________________________________________________________
144 _________________________________________________________________ M210762EN-D
Table 36
Dewpoint Specifications DMT346
Property
Description / Value
Sensor Vaisala
DRYCAP®180S
Measurement range
-25 … +100 °C (-13 … +212 °F) T
d
Accuracy
±2 °C (±3.6 °F) T
d
See the accuracy graph in Figure 73
below
Response time 63% [90%] flow rate
1l/min and 1 bar pressure
from dry to wet
5s [10 s]
from wet to dry including auto-
calibration
45s [5 min]
0604-022
Figure 73
Dewpoint Measurement Accuracy Graph DMT346
Table 37
Mixing Ratio Specifications DMT346
Property
Description / Value
Measurement range (typical)
0 ... 1000 g/kg (0 … 7000 gr/lbs)
Accuracy
±12 % of reading
Table 38
Operating Environment Specifications (Both Models)
Property
Description / Value
Mechanical durability
Probes
Up to +180 °C (+356 °F) for DMT345
Up to +350 °C (+662 °F) for DMT346
for transmitter body
-40 ... +60 °C (-40 ... +140 °F)
with display
0 ... +60 °C (32 … +140 °F)
Storage temperature range
-55 ... +80 °C (-67…+176 °F)
Pressure range for probes
Slight pressure difference (~ 200
mbar)
Measured gases
Noncorrosive gases