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Werne & Thiel
sensortechnic GbR
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D-79793 Wutöschingen
Tel 0049 (0) 77 46/24 25
Fax 0049 (0) 77 46/25 88
info@werne-thiel.de

Moisture Measuring Sensors
FSV - The Universal

FSV - The Universal

Adjustable flange probe for universal applications. Wide range of adjustment possible. Also suitable for thick wall situations. Can be mounted on a glider for measuring the moisture of materials on conveyer belts.

Product description

Our moisture measuring sensors always represent the latest technology of our well-proven high frequency measuring method and offer unique precision and reliability. Since decades we are in touch with our customers to be able to always give him an innovative product perfectly fitting his needs.

Sensors of the newest generation are available by different replaceable wear protections:

  • Synthetic (Standard) For standard applications. Not suitable for abrasive materials. Good sliding characteristics.
  • Ceramic (replaceable)
    Extremely hard. Possesses a very high resistance against abrasion.
    Cracks may form due to hitting stones or metallic objects.
  • Special rubber (replaceable)
    Wear resistant rubber with good protective properties against
    abrasions. No risk of cracks.
  • Teflon (replaceable)
    Normally used in food processing technology and for sticky materials.

Accuracy: 0.1% . . . 0.5% depending on installation situation and correct calibration

Easy calibration of the sensor by integrated adjustment unit.
Output Signal: 0-10 V or 0/4-20mA - no additional processing unit required
Operating voltage: 9-30V DC (also available +15V DC and -15V DC)
Specific appointment of moisture thanks internal digital linearization of the measuring signal
Samples of application area:
• Moisture content of sand, gravels, etc in concrete production
• Reprocessing of foundry sand for desired moisture content
• Moisture content of quartz sand e.g. for glass manufacture
• Quality optimizing in food processing
• Corn production
• Fodder industry for animal food
• Ceramic powders and pastes; metal oxides
• Sludge from the sewage plants
• Soil humidity, etc

• Biosolids/ Sludge drying

 

 

Technical data

Protection level for the probes IP68
Depth of insertion of the sensor edge 9 mm Standard (synthetic material protection overlay)
11 mm with Ceramics, Rubber or Teflon overlay
Protection against Overvoltage, polarity and short-circuit of the output
All inputs and outputs are protected against disturbances with suppression filters.
Probe supply FSV30 = 10 V-30 V DC
FSV = +/-15 V (Tolerance each +/-0,5 V)
Protection against damage by lightning Sometimes, especially in open air installations, the probe can be damaged by lightning. In addition to reducing the risk by observing the guide lines laid down in the standard, VDE 185, Parts 1 and 2, it is necessary to equalize the potential between the probe and the processing electronic unit. This is achieved by earthing the cable shielding at both ends.
Maximum Signal Values Voltage output: -0,7 V to app. 13V (RL = 100 k Ohm)
Current output 0-20 mA: -1,4 mA to app.. 24 mA (Load = 500 Ohm)
Current output 4-20 mA: +4 mA to app. 24mA (Load = 500 Ohm)
Signal output Standard: 0-10 V
Output load resistance: 100 kohm

Option: 0-20 mA or 4-20 mA
Load resistance: 500 Ohm 0.1%, TK = 25 ppm
Connection to the probe Connecting cable: 5 x 0.22 mm2 shielded
Cable is assembled with metallic terminal sleeves. Plug is optional.
Measurement range & internal calibration 0% and % adjusting trimmer for calibrating the probe (optional)
These allow one to adjust the measuring window of the probe to the desired range of moisture measurements for the material.
Accessible only through a water tight screw on the probe cover.
Current input 30 mA (at +15 V for voltage output of 0-10 V)
30 mA (at –15 V for voltage output of 0-10 V)
50 mA (at +15 V for current output 0-20 mA)
30 mA (at –15 V for current output 0-20 mA)

10-30 V Probes: 9V-30V DC
Current input: 190 mA for 10 V Supply
120 mA for 15 V Supply
80 mA for 24 V Supply
70 mA for 30 V Supply
Abrasion Protection of Sensor Standard: Surface material is synthetic
Ceramic: 3 mm thick, extremely good resistance to abrasion but brittle
Special rubber: extremley abrasion-resistant,impassible for bump/ shocks
Teflon: for sticky materials and for use in the food industry
Conformance: Conforms to CE standard EMV89/336EWG
Material-Temperature sensor PT100 (optional)
Environmental conditions Operational: +0.5°C to +50°C (Temperature range G50, Standard)
+0.5°C to +80°C (Temperature range G80, optional)

permissible environmental temperature max 80 °C
Storage: -25°C to +65°C

Technical documentations

Equipment Description Moisture measuring probes Type FS(x)

Equipment Description Moisture measuring probes Type FS(x)

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Brochures

Application - Examples - Moisture measuing sensors

Application - Examples - Moisture measuing sensors

englishgerman

Moisture measurement in concrete production

Moisture measurement in concrete production

englishgerman

Moisture measurinmg sensors type FSx - concrete industry

Moisture measurinmg sensors type FSx - concrete industry

germanenglish

Moisture measurinmg sensors type FSx - universal

Moisture measurinmg sensors type FSx - universal

germanenglish

In der Presse

BFT - Betonwerk + Fertigteil-Technik,12/2005, Seiten 34–41

BFT - Betonwerk + Fertigteil-Technik,12/2005, Seiten 34–41

germanenglish

BWI Beton WerkInternational (Fachzeitschriften für die Betonindustrie) 1/04

BWI Beton WerkInternational (Fachzeitschriften für die Betonindustrie) 1/04

germanenglish

CPI -  Concrete Plant International (Trade Journal for the Concrete Industry) 4/03

CPI - Concrete Plant International (Trade Journal for the Concrete Industry) 4/03

germanenglish


Sensors in use

FSV on a glider - dried sludge measurementFSV on a glider - sand moisture on a conveyer beltFSV on a glider - sand moisture on a conveyer beltFSV on a glider - sand moisture on a conveyer belt
FSV on a glider - wood chips on a conveyer beltFSV - wood moisture in a screwFSV - in a screw (sawdust and rind)FSV application gravel moisture 8/16mm
FSV under a siloFSV - application: Moisture content of wood ash

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