| Sensor |
| Sensor Type |
Michell Ceramic Moisture Sensor |
| Range |
-120 to -40°C (-184 to -40°F) dew point
(calibrated from -100 to -40°C /-148 to -40°F) |
| Accuracy |
±1°C from -40 to -60°C
(±1.8°F from -40 to -76°F)
±2°C from -60 to -100°C
(±3.6°F from -76 to - 148°F)
±4°C from -100 to -120°C (estimated)
(±7.2°F from -148 to -184°F (estimated)) |
| Resolution |
0.1°C from -40 to -79.9°C (0.18°F from -40 to
-111.8°F); 1°C from -80 to -100°C (1.8°F from
-112 to -148°F); 1 to 3°C from -100 to -120°C
(1.8 to 5.4°F from -150 to -184°F) |
| Operating Pressure |
Minimum 10-9 torr; Maximum 240 barg (3480 psig) |
| Operating Temperature |
-40 to +60°F (-40 to +140°F) |
| Flow Rate |
(1 to 5 Nlmin-1 (2.1-10.5 SCFH) |
| Electronics/Electrical |
| Power |
Nominal 24 VDC, 10-28 VDC maximum current 25 mA
three-wire configuration |
| Output |
4-20mA output adjustable from 1 to 80°C
(1.8 to 184°F) span using interface software
(supplied) Max load (Ω) = 100 + 50 x (Vsupply
- 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 2m (6.5 feet) (1200m /3937 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 |
120mm (4.72") across gas port face seals.
Zero clearance required. 2 X M4 X 0.7, 7mm
(0.3") deep mounting holes in block, diagonally
opposed |
| Overall Dimensions |
Premium and OEM verisons: 120 x 35 x 150mm
(WxDxH) 4.72" x 1.38" x 5.91"
Pura Sensor version: 132 x ∅35mm (5.2 x ∅1.4") |
| Weight |
Premium and OEM versions: 450g (0.99 lb)
Pura Sensor version: 180 g (6.3 oz) |
| Packaging |
Double bagged and sealed in UHP inert gas
shipped individually in custom foam protection
inside carton over sensor for transportation and
handling. |
| Monitor |
|
| Measurement Units |
°F, °C dew point; ppmV with
user-selectable range and resolution |
| Secondary Input |
Pressure via external transducer range to
0-30 MPa (0-4350 psig) input completely user
confi gurable 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 |
-20 to +50°C (-4 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 |
