| Performance |
| Measurement Range (dewpoint) |
-100 to +20°C (-148 to +68°F) dp |
| Accuracy (dew point) |
±1°C (±1.8°F) dp (+20 to -59.9°C {+68 to -75.8°F})
±2°C (±3.6°F) dp (-60 to -100°C {-76 to -148°F}) |
| Response Time |
5 mins to T95 (dry to wet) |
| Repeatability |
0.5°C (0.9°F) dp |
| Electrical output/input |
| Output Signal |
4-20 mA (2-wire connection, current source)
User configurable over range |
| Output |
Dew point, moisture content for ppmV, ppmW |
| Output range |
Dew point: -100 to +20°C (-148 to +68°F)
Moisture content in gas: 0-3000 ppmV
Moisture content in liquid: 0-3000 ppmW |
| Supply Voltage |
12–28 V DC |
| Load Resistance |
Max 250 Ω @ 12 V; 500 Ω @ 24 V |
| Current Consumption |
Max 23 mA depending on output signal |
Saturation constants (For moisture in liquids
measurements only) |
6-point look-up table for saturation constants up to 3000 ppmW over the temperature range 0 to +50°C.
Saturation constants for 8 common liquids can be programmed into the Easidew PRO I.S. via the application software. Alternatively the user can program saturation constants manually. |
| Operating conditions |
| Operating Humidity |
0–100% RH |
| Operating Temperature |
-40 to +60°C (-40 to +140°F) |
| Operating Pressure |
45 MPa (450 barg / 6500 psig) max
|
| Flow Rate |
1 to 5 Nl/min (2.1 to 10.5 scfh) mounted in standard sampling block; 0 to 10 m/sec (0 to 32.8 fps) direct insertion |
| Mechanical specification |
| Hazardous Area Certificates |
ATEX - Ex II 1G EX ia IIC T4
FM - I.S. I 1 ABCD T4 (Ta = +60°C)
CSA - IS Class 1 Div 1 Groups ABCD T4
IECEx – EX ia IIC T4 (-20°C ≤ Ta ≤ +60°C) |
| Ingress Protection |
IP66 in accordance with standard BS EN 60529:1992, and NEMA 4 in protection accordance with standard NEMA 250-2003 |
| Housing Material |
Stainless steel
|
| Filter |
80µm sintered guard
HDPE Guard <10 µm (optional) |
| Mounting Thread |
5/8" - 18 UNF |
| Weight |
1.27kg (2.8lbs) |
| Electrical Connections |
Screw terminal, M20 x 1.5mm |
| Fault conditions (factory programmed) |
| Condition | Output |
| Sensor fault | 23 mA |
| Under-range dew point | 4 mA |
| Over-range dew point | 20 mA |
|
| Approved galvanic isolators |
KFD2-CR-EX1.20200
KFD2-CR-EX1.30200
KFD0-CS-EX1.50P
KFD0-CS-EX2.50P
KFD2-STC4-EX1.H
MTL5041, MTL5040 |
