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Humidity Detector FMW-T
Humidity detector to measure humidity without causing any damages to the material

The humidity detector FMW-T covers all your needs while measuring moisture contents in all types of wood and building materials. The humidity detector FMW-T works without causing any damage to the material and it is mainly used to measure building walls. When you have to choose a humidity detector it is very important to take into consideration whether the surface can be affected or whether it has to be in perfect condition after the measurement. Humid areas can produce mould in houses. These areas are easily detected. You will also measure humidity in wood, as for instance in parquet floors.
The humidity detector FMW-T has a compact design and it is very easy to use. These characteristics turn the humidity detector into an irreplaceable device for professional builders, technicians, etc.

Three-step measuring process:

  1. Turn-on and zero setting.

  2. Fitting of  wood thickness (selected from memory).

  3. Measuring and reading of moisture content.

Adjustments:

 - MAX, memory or Scan mode

 - Entry of the specific weight of wood from 250     to 1100 kg/m3 in 10 kg intervals.

 - Relative values for building materials.

Humidity detector FMW-T to measure moisture content without causing any damages on the material.
View or print user manual of the
Humidity detector FMW-T
View or print user manual of the Humidity detector FMW-T.

Functionality/Measuring principle

The humidity detector FMW-T for wood is guided by a microprocessor unit to quickly determine moisture content in wood and building materials. The humidity detector FMW measures moisture content when the upper frontal sensor is placed on the material for half a second. It is also possible to measure through paper or paints.
Humidity is determined by contact using a high-frequency technique. Measurements can be taken without damaging the material surface. Therefore, this detector is suitable for the use on finished products or for fast controls on site.

          Use of the Humidity detector FMW-T               Humidity detector FMW-T: Measuring principle

The material you want to measure is not important. You will only need to put the frontal side of the detector on the material such as: balsa, beech, birch, cedar, oak, pine, fir-tree, mahogany, lime-tree etc or building materials such as parquet.

Characteristic curves of wood and basic indications for measuring
Below you will find the characteristic curves in alphabetical order of all the most important wood types (they are stored in the humidity detector). We can also send another list with more wood types.

Softwood
- Fir
- Canadian Fir (east, west)
- Agathis (heavy, light)
- Alcere
- Alerce (European, Japanese, Russian)
- Alerce (American, East, West)
- Red Cedar
- Douglasie (heavy, light)
- Manio
- Pine (European, Nordic)
- Pine (light, heavy, Caribbean, American)
- Pine (European, Nordic, Kern, Spint)
- Pine (French)
- Pine Parana
- Pine Radiata
- Pine Sitka
- Pine Sugar
- Pine Weymouth
- Yellow wood
- Redwood (Californian, heavy, light)
- Sugi

Attention: All the characteristic curves of the wood types of this column and the adjoining one are stored inside the humidity detector FMW-B. They can be displayed by introducing the corresponding gross densities. A chart with all the materials and wood types will be included in the delivery.


To take into account:
While measuring moisture content in wood, the result will be more accurate on smooth surfaces. The measuring value will grow on chips or knots. If measurements are taken on breaks, the humidity value will be lower in relation to the real humidity value (absolute humidity).
In both cases, you will have to measure near the area which is going to be measured.


Measurement accuracy:
Wood has an inhomogeneous composition. Therefore, gross density oscillations can be produced when measuring the same wood type. Therefore, you will have to take various humidity measurements - the measurement result will be the mean value calculated by the detector


Wood surface:

In rough surface wood types, the result displayed in the humidity detector can be lower.


Fiber direction:
The result will not be affected if the measurement is taken either in the fiber direction or against the fiber direction. 


Measurement depth:
The measurement depth is 25 mm. If the wood is very thin (e.g. < 1 cm thickness), measurement will be carried out through the wood. The material on the wood will also be measured partially.


Measuring surface:
During the measurement the humidity detector has to be on the surface which is going to be measured in order to avoid mistakes with results.

Deciduous wood
- Abachi
- Abarco
- Birch (European)
- Abura
- Afrormosia
- Poplar
- Alone
- Amburana
- Avodire
- Baboen
- Balsa
- Bilinga
- Bodo
- Bomanga
- Bonkonko
- Bosse
- Mahogany (Bassam, Honduras, sapeli, sipo,           tiama)
- Chestnut (noble)
- Cherry-tree (European, American)
- Cedar
- Poplar
- Keruing (light, heavy)
- Dabema
- Danta
- Dibetou
- Durian
- Essessang
- Framire
- Freijo
- Ash (European)
- Fuma
- Beech (European, vaporized, non-vaporized)
- Igaganga
- Ilomba
- Iroko
- Jelutong
- Kapur
- Kosipo
- Krappa
- Kwarie
- Lauan (red)
- Limba
- Makore
- Mansonia
- Matakki
- Matoa
- Mengkulang
- Meranti (dark red, light red)
- Movingui
- Muninga
- Niangon
- Walnut (European, American)
- Satin walnut
- Oega
- Elm
- Okoume
- Padouk (African)
- Pear tree
- Peroba
- Peroba (pink)
- Banana tree
- Possentrie
- Ramin
- Oak (European, light, heavy, American,
  white, red, Japanese)
- Tasmanian Oak
- Willow
- Sapupira
- Sen
- Sepetir
- Seraya (red, white)
- Soemaroepa
- Tabaca
- Tchitola
- Teca
- Lime tree
- Tola branca
- Wane
- Yang

Building materials
For building materials it is possible to introduce "0" value. For this detector, there is only a single characteristic curve (mean characteristic curve). With the humidity detector FMW-B you will be able to easily determine humid zones in floors, walls, etc. for a relative measurement in wet or weak areas.

Technical specifications
Measurement ranges 0 ... 60 % H2O for building materials.
2 ... 30 % H2O for wood
Resolution 0.1 %
Accuracy 0.5 % (of the reference material)
Measurement depth adjustable from 10 to 30 mm (1 mm intervals)
Measuring principle capacitive measurement
(without contact)
Memory 50 measurement values,
maximum value displayed
(Max. Hold function)
Temperature range 0 ... 50 °C
Power 1 x 9 V battery
selectable Auto Power Off
to protect the battery
Dimensions 180 x 80 x 35 mm
Weight 260 g battery included

Delivery content:
1 x humidity detector FMW T, 1 x battery, 1 x protective housing, user manual and additional information about measuring humidity

Additional component:
- Reference block
Humidity detector FMW-T: Technial information. return to homepage

Here you will find an overview of all the measuring instruments available at PCE Instruments.

Contact:
PCE Instruments UK Limited
Units 12/13 Southpoint Business Park
Ensign Way, Southampton
United Kingdom, SO31 4RF
Phone: +44(0) 23 809 870 30
Fax: +44(0) 23 809 870 39

Contact:
PCE Americas Inc.
711 Commerce Way suite 8
Jupiter 33458 FL
USA
Phone: +1-410-387-7703
Fax: +1-410-387-7714

This page in German Humidity detector FMW-T in German. in Italian Humidity detector FMW-T in Italian. in Spanish Humidity detector FMW-T in Spanish. in Croatian Humidity detector FMW-T in Croatian. in French Humidity detector FMW-T in French. in Hungarian Humidity detector FMW-T in Hungarian in Turkish Humidity detector FMW-T in Turkish in Polish Humidity detector FMW-T in Polish in Russian Humidity detector FMW-T in Russian in Dutch Humidity detector FMW-T in Dutch in Portuguese Humidity detector FMW-T in Portuguese in Portuguese Humidity detector FMW-T in Portuguese

Below you will find an overview of the different product groups of measuring instruments

Absolute Humidity Meters
Accelerometers
Alert Meters
Air velocity meters
Analyzers (Colour)
Analyzers (Gas)
Analyzers (Lan)
Analyzers (Noise)
Analyzers (Oxygen)
Analyzers (Ozono)

Anemometers
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Climate Meters
Colour Meters

Conductivity Meters
Contact Thermometers
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Digital Multimeters
Densimeters
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Dose Meters (Noise)
Earth meters
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Fiberscopes
Flow Meters Air
Flow Meters Gas
Force Gauges (digital)
Frequency Meters
Geiger Counter
Handheld Tachometers
Hardness Meters
Humidity Testers (Building material)
Hygrometers
Indicator Sound Level
Indicator (Humidity)
Instruments (Environmental)

Impedance bridges
Infrared Thermometers
Insulation Meters
Lan Network Testers
Laser Distance Meters
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LCR Meters
Length Meters
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Lux Meters
Magnetometers
Manometers
Material Thickness Meters
Measurement Dev.(Force)
Measuring Meters (Distance)
Measuring Wheels
Meters (Distance,
pH, Power Pressure, Radiation, Salt, Temperature, Gas, Gloss, Ground)
Micrometers
Microscopes
Modular signal Converters
Moisture Indicator
Multimeters
Multi-Parameter Photometers
Noise Meters
Odometers
Ohm Meters
Oscilloscopes
Oxygen Meters
Ozone Meters
Paper Moisture Meters
Penetrometers

Pitot tube air flow meters
Pocket pH-meters
Power Analyzers

Pressure Gauges
Pyrometers
Quality Meters (Air)
Radiation Counters
Radioactivity meters
Reader (Temperature)
Recorders Data
Redox Meters
Refractometers
Relative Humid. Meters
Rotation meters
Roughness tester
Scales
Sensor (Temperature)
Signal Level Analyzers
Single-parameter Photometers
Sound Level Meters
Systems Environmental
Stethoscopes (electro.)
Stroboscopes
Surface Thickn. Meters
Tachometers
Telescope Meters
Thermo-anemometers
Thermo-Hygrometers
Temperature Probes
Testers (Air,Conductivity, Earth,  Insulation, Noise, pH, paper Resistance, Sound, Temperature)
Thermal stress
Thermal Imag. Cameras
Thermometers
Thermocouples
Thickness Meters
Turdibity Meters

Ultrasonic Flow Meters

VDE tester
Vibration Meters
Video endoscopes
Voltage meters

Weather Stations
Wood (humidity)