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Benefits:
- Indirect measuring method: Capacity determination in the high frequency stray field. This method uses the different dielectric constant (permittivity) of water and different materials (solids and liquids)
- Fully reproducible sensors: If the plant is subsequently extended with sensors or if sensors are replaced, no recalibration is necessary thanks to the built-in microprocessor.
- Process control and regulation: Thanks to extensive interfaces, the moisture measurement can be integrated into process control systems and controls.
- Cost saving: Time-consuming and costly laboratory analyses are no longer necessary or can be reduced.
- Temperature measurement/temperature compensation: The sensor can also be used to determine the temperature of the medium.
- Limit values: Maximum or minimum limits can be set using the software. Light or sound signals can be triggered if required.
- Mean value calculator: The sensor passes on already averaged values to the FMS evaluation and transfer module.
- Compressive strength: The rod sensor withstands process pressures of up to 100 bar.
- Sliding fitting: For cleaning, flushing or sensor replacement, the sliding fitting can be easily pulled out of the pipeline even under these circumstances without disturbing the process.
Accessories:
- Pressure sensor: The pressure sensor measures the pressure of the pipeline or tank system. (only on P45-GD rod sensor)
- Flange: Use the flange to connect the sensor to the pipeline, tank system or bulk solid receptacle
- Sliding fitting: With the sliding fitting you can mount the sensor on tank systems (rod sensor) and pipelines. The sliding fitting allows the sensor to be changed quickly without having to empty and depressurise the tank or the pipe.
- External display and control unit: The display and control unit is mounted up to 50 m away from the sensor in an easily accessible position. It is connected directly to the electronics of the sensor and powered by it.
- Software: for start-up and configuration.
Technical data planarsensor P45-GD
| Suitable for use in potentially explosive areas |
Dust/Gas - Zone 0/20 |
| Measurement |
|
| Physical principle |
Capacity determination in the high frequency stray field |
| Measurement location |
Pipeline, Tank |
| Adjustable measuring range |
0 - 100 % moisture content (measuring window adjustable) |
| Number of scattered fields |
1 |
| Update cycle |
65 ms |
| Achievable measurement accuracy |
± 0.05 % with correct material curve |
| Temperature measurement accuracy |
± 0.5 °C |
| Outflow |
|
| Measured value transmission - Sensor display content |
Current loop with “4 - 20 mA” for external display (option) |
| Measured value transmission - sensor PLC or main computer |
Analogue: “4 - 20 mA” active at 500 Ohm digital: Hart Modem |
| Valid measurement |
3.75 mA to 21.6 mA (NAMUR) |
| Interface signal resolution |
16 bit |
| Max. length of connecting cable |
1000 m (depending on cable) |
| Power supply |
|
| Connection |
24 V, 150 mA DC |
| Temperature |
|
| Medium temperature |
-5 °C* to 80 °C (Standard) |
| Ambient temperature sensor head |
5 °C to 80 °C |
| Ambient temperature transmitter head |
5 °C to 70 °C |
| Storage temperature |
-25 °C to 80 °C |
| * Under certain conditions |
|
| Pressure |
|
| Pressure |
-1 bar up to 100 bar |
| Pressure measurement (optional) |
relative up to 40 bar |
| Material |
|
| Housing / rod material |
1.4571 (optional 2.4819) |
| Transmitter head material |
Aluminium |
| Measuring field material/wearing protection |
PEEK |
| Dimensions |
|
| Housing W/H/D |
88 mm
160 mm
143 mm |
| Rod diameter |
45 mm |
| Rod length |
6" to 32" (further lengths on request) |
| Measuring field material |
PEEK |
| Measuring field position |
Front or side |
Technical data planarsensor P78-GD:
| Suitable for use in potentially explosive areas |
Dust/Gas - Zone 0/20 |
| Measurement |
|
| Physical principle |
Capacity determination in the high frequency stray field |
| Measurement location |
Chutes, belts, silo outlets, tanks, etc. |
| Adjustable measuring range |
0 - 100 % moisture content (measuring window adjustable) |
| Number of scattered fields |
1 |
| Achievable measurement accuracy |
± 0.05 % with correct material curve |
| Temperature measurement accuracy |
± 0.5 °C |
| Outflow |
|
| Measured value transmission - Sensor display content |
Current loop with 4 - 20 mA for external display (option) |
| Measured value transmission - sensor PLC or main computer |
Analogue: 4 - 20 mA active at 500 Ohm digital: Hart Modem, Modbus RTU |
| Valid measurement |
3.75 mA to 21.6 mA (NAMUR) |
| Interface signal resolution |
16 bit |
| Max. length of connecting cable |
1000 m (depending on cable) |
| Power supply |
|
| Connection |
24 V, 150 mA DC |
| Temperature |
|
| Medium temperature |
-5 °C* to 80 °C (Standard) |
| Ambient temperature sensor head |
5 °C to 80 °C |
| Ambient temperature transmitter head |
5 °C to 70 °C |
| Storage temperature |
-25 °C to 80 °C |
| * Under certain conditions |
|
| Pressure |
|
| Pressure |
Flange for bolting on: -1 bar to 1 bar
Flange for welding on: -1 bar to 16 bar |
| Material |
|
| Housing material |
1.4571 (optional 2.4819) |
| Measuring field material/wearing protection |
Ceramic, ZrO2 |
| Dimensions |
|
| Sensor |
78 mm |
| Housing transmitter head W/H/D |
88 mm
160 mm
143 mm |
| Cable length between sensor and transmitter head |
10 m |
Documentation
data-sheet-wms-ii-planar-sensor-p78-gd
data-sheet-wms-ii-rod-sensor-p45-gd
brochure-litronic-wmsii-water-content-determination
iecex_eps_21.0047_000_signed_scan
lieb_20th0483_wms-sensor_eps-21-atex-1-140-x_en_0_signed_scan
data-sheet-wms-ii-planar-sensor-p45-gd