| Supply
Power |
24
VDC nominal (9 to 32 VDC) |
| Current
Loop |
4
mA to 20 mA corresponding to a standard dew point
range of -90°C to +10°C (-130°F to +50°F) |
| Communication |
RS
485, DewPro protocol |
| Cable
Connector |
Rating
IP 65; Pins 1 (+) (red) and 2 (-) (black) = current
loop supply power; 3 (-) (brown) and 4 (+) (yellow)
= RS 485 communication. Pins 5 through 8 (green,
white, orange, blue) are not being used for the
loop-powered version. |
| Sensing
Element |
Planar
gold, aluminum oxide, capacitance principle |
| Calibration
Range |
-90°C
to +10°C (-130°F to +50°F) dew point temperature |
| Recommended
Recalibration Cycle |
6
to 24 months, depending on application and required
accuracy |
| Calibration
Accuracy |
+/-
2°C (+/- 3.6°F) dew point at 20°C (68°F)
ambient temperature |
| Repeatability |
+/-
1°C (+/- 1.8°F) |
| Sintered
Filter |
100
micron |
| Maximum
Relative Humidity |
50%
at dew point temperatures >0°C (32°F) |
| Temperature
Coefficient |
<
0.2°C/°C (< .36°F/°F)
|
| Ambient
and Storage Temperature |
-40°C
(-40°F) to +50°C (+122°F) |
| Nominal
Operating Temperature |
-20°C
(-4°F) to +40°C (+104°F) |
| Maximum
Operating Pressure |
150
psig (10 bar) |
| Helium
Leak-rate |
<
10-6 mbar l/s |
| Maximum
Gas Velocity |
50
m/s at 1 bar, 5 m/s at 10 bar |
| Probe
Mounting Adapter |
Stainless
steel 316 (1.4571) with G 1/2 thread (DIN/ISO 228)
and O-ring seal |
| Rating |
IP
40 |
| Wrench
Width |
30
mm |
| Protection
from Particles |
Protective
cap with 10 micron filter |
| Weight |
0.55
lbs. (250 grams) |
