| SENSOR |
| Sensor Type |
Michell Ceramic Moisture Sensor |
| Range |
-180 to -40°F dew point (calibrated
from -150 to -40°F) |
| Accuracy |
±1.8°F from ±-40 to
-75°F
±3.6°F from -76 to - 150°F
±7.2°F from
-151 to -180°F (estimated) |
| Resolution |
0.18°F from -40 to -112°F
1.8°F from -113 to -150°F
1.8 to 5.4°F from -150 to
-180°F |
| Operating Pressure |
Minimum 10-9 torr; Maximum 3500
p.s.i.g. |
| Operating Temperature |
40 to +140°F |
| Flow Rate |
0 - 10 SCFH |
| ELECTRONICS |
| Power Supply |
Nominal 24 VDC, 10-28 VDC maximum current 25 mA
three-wire configuration |
| Output |
4-20mA output adjustable from 1.8 to
180 °F span using interface software (supplied)
Max load (Ω) = 100 + 50 x
(V supply - 8) |
| Output Error Status |
23 mA = sensor fault
20 mA = over
range
4 mA = under range (as supplied)
These settings are adjustable
using interface software (supplied) |
| Cable |
Standard 6.5 feet (4000 feet max) |
| MECHANICAL |
| Sensor Block |
Cold drawn stainless steel, 0.1 - 0.2
Ra µm electro-polished internal finish |
| Connections |
¼" male VCR gas
connections
½" male VCR PURA Sensor connection |
| Installation Profile |
4.72" across gas port face seals
Zero
clearance required
2 X M4 X 0.7, 0.3" deep mounting holes in block, diagonally
opposed |
| Overall Dimensions |
4.72"W X 1.38"D X 5.91"H |
| Weight |
1.2 lbs |
| Packaging |
Double bagged and sealed in UHP inert
gas shipped individually in custom foam protection inside carton over sensor
for transportation and handling |
| Measurement Units |
°F, °C dew point; ppmV with
user-selectable range and resolution |
| Secondary Input |
Pressure via external transducer range
to 0-4350 p.s.i.a. (by customer) input completely user configurable for any
industry standard transducer
Automatic compensation for concentration units of
measure |
| Power Supply |
Universal 85 to 265 VAC; 95 to 370
VDC |
| Enclosure Rating |
NEMA 12
NEMA 4X (front panel only with
optional cover) |
| Operating Temperature |
-32 to +122°F |
| Relays |
2 each 10 A@240 V or 8 A 24 VDC
Non-inductive load form C fully user configurable for measured value or sensor
fault functions. |
| Outputs |
Analog: 4-20 mA fully user configurable
and scaleable
Digital: RS232 - provides 2-way communication - full data access
to user and total availability of all set-up |
OPTIONS: |
| Power Supply |
18 to 36 VAC; 9 to 60 VDC |
| Relays |
Up to 2 additional 5 A relays (max 4 in
total) n/o type fully user configurable for measured value or sensor fault
functions |
| Outputs |
Analog: 0-10 V fully user configurable
and scaleable for range
Digital: RS485 - provides 2-way communication - full
data access to user and total availability of all set-up options |
