Gryke Scientific Instruments Trading





TQC-Sheen (Moisture)





The term “Moisture is often confused with “humidity”. Humidity or better relative humidity is defined as “the ratio of the partial pressure of water vapor in the mixture to the saturated vapor pressure of water at a prescribed temperature.” Products to define humidity and other climatic parameters are presented in our section Climatic Conditions.



Concrete Moisture Meter

TQC-Sheen Concrete Moisture Meter

The TQC Concrete moisture meter is a non-destructive moisture meter for concrete. By means of measuring the electrical impedance the moisture content of concrete can easily be determined by just pressing the instrument against the concrete surface.
The electrical impedance is measured through generating a low frequency electric field between 8 electrodes at the bottom of the instrument. Depending on the moisture content the measurements are made to a depth of several centimeters.
This system is not suitable to measure through electrically conductive materials like metal or rubber linings or wet surfaces.
TQC Concrete Moisture meters are ideal to quickly test large concrete floors or constructions which have to be painted or where (wooden) floorings are being installed.Four moisture scales.

Four scales allow flexible use of the instrument as an accurate measuring device or just as a detector to find moisture traces or leakage.
1. Concrete 0-6% H2O
2. ~ Carbide Method 0-4% H2O
3. Relative Scale 0-100%
4. ~ 15. Scale 0.3-15.3m
Convenient features such as a “max-hold” for hard to reach places and “auto-switch off” are integrated.

• Dimensions: 147x89x33mm
• Power supply: 2xAA battery
• Average working time on one battery set : 20 hours
• Display: monochrome 128×64 pixels, size 61x33mm with backlight
• Operating temperature range: 5°C to 40°C
• Accuracy: ±0.5%

Scope of supply:
• Concrete moisture meter
• Soft pouch
• Manual

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Karsten Tube Penetration Test

TQC-Sheen Karsten Tube Penetration Test

The TQC Karsten Tube Penetration Test is a simple test for measuring the degree or water penetration into building materials such as concrete, stone and plaster. The test consists or a glass tube filled with water, bonded to the test material with plastiline. Water pressure is then exerted on the surface. A graduated scale indicates, over time, the amount or water penetrated into the surface.
The TQC Karsten Tube Penetration Test contains 3 tubes for horizontal surfaces, 3 tubes for vertical surfaces (or at choice any other combination of total 6 tubes), a water bottle, marker and putty to place the tubes leak-tight on the surface. Additional vertical or horizontal tubes are available on request.

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Wood Moisture Tester with Temperature Compensation

TQC-Sheen Wood Moisture Tester with Temperature Compensation

This instrument is a conductivity moisture meter specifically designed for the timber industry. The instrument has eight calibration scales, enabling the user to take accurate moisture measurements in 150 wood species. Moisture measurements can be taken using the integral pin electrodes, or using the heavy duty moisture probe. When used with the temperature probe, the moisture measurements are automatically corrected with respect to temperature.
A calibration tester is integrated into the protective cap.

Scope of supply
• Wood moisture tester
• Pin electrode
• Temperature probe
• 2 AAA batteries
• Manual

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TQC-Sheen Bradle

The TQC bradle is extremely sturdy, with an ergonomically shaped grip. It’s the perfect tool for inspecting dry rot in timber.
Dry rot is not always visible, especially when water-based paints with high elasticity have been used.
After measuring the wood content with a wood moisture meter, the places with over 20% of moisture can be tested for dry rot with the TQC bradle

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Calibration Block – Lignomat

TQc-Sheen Calibration Block – Lignomat

Block with two-fixed resistively settings for testing Lignomat moisture detection meters. Can also be provided with a conversion certificate.

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Carbide – Method Hygrometer

TQC-Sheen Carbide – Method Hygrometer

High precision destructive S2000 measuring system for detecting moisture in concrete, sand cement and other bricky material. The water present in the sample reacts (chemically) with calcium carbide. This produces pressure in the vessel, which is proportional to the residual moisture content. Insensitive to external influences, always displays the right value. Complete set in carrying case with balance, pressure cylinder, calcium carbide and cleaning tools.

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Concrete Moisture Detection Meter – Concrete Encounter

TQC-Sheen Concrete Moisture Detection Meter – Concrete Encounter

Non-destructive instrument for measuring moisture levels in concrete and sand-cement floors. Measurements or up to a few centimeters deep can be taken without damaging the surface. Ideal when laying parquet floors, floor coverings or floor coatings. Versatile, precise and easy to use, the CME4 allows the user to make multiple tests over a large area in the shortest possible time.

• Designed, developed and calibrated specifically for concrete.
• Instant readings, measures up to 6% moisture content.
• Non-destructive operation per ASTM F2659 (No drilling).
• Large easy to read analogue display.
• “Hold” button freezes reading on analogue meter.
• Battery operated (Supplied).
• Strong robust design.

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Moisture Encounter Plus

TQc-Sheen Moisture Encounter Plus

Electronic moisture detector for locating damp under roofing felt. Ideal for detecting leaks in roofs or dry walls. Also suitable for providing indication or moisture levels in wood and construction materials.
Non-destructive method of detection. The Moisture Encounter PLUS incorporates the latest digital technology with analog read out and ease of use. Delivered in a case.

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Non-destructive Wood Moisture Detection Meter Caisson V1D6

TQc-Sheen Moisture Encounter Plus

Non-destructive instrument for measuring moisture levels in wood. Measures up to a depth of approx. 20 mm. The instrument contains the calibration lines or 25 different types or wood, guaranteeing a high degree of accuracy. The selected wood type and the measuring results are immediately displayed. The instrument is also capable of detecting the moisture content of concrete, anhydrite, estrich, polyester, . Delivered incl. case.

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Non-destructive Wood Moisture Detection Meter Combiscan

TQC-Sheen Non-destructive Wood Moisture Detection Meter Combiscan

CombiSCAN is the first pinless moisture meter from Lignomat. You can choose between two different measuring depths (7mm + 20mm).  The big display shows the setting of wood species and measuring depths constantly! The surroundings temperature is automatically measured not to falsify the measuring result at different temperatures. If the battery is low, the combiSCAN will show it you right in time on the display! 30 different wood species and more than 240 wood types by density are available for setting! Easy to handle and precise, that’s Lignomat!

• CombiSCAN can be set in 4 different languages: English, French, German and Italian.
• Measuring depths 7mm & 20mm
• Measuring area: 5.4 – 60%
• 4 wooden groups and 30 species of wood

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Permeability Cups

TQc-Sheen Permeability Cups

Permeability cups for determining the water-vapor transmission of paints, varnishes, coatings, coating systems and related products. The Permeability cup consists of a cup, seal ring and cover ring. The seal ring is designed to prevent turning when closing the cover. The Permeability cup is suitable for testing both self-supporting coating and non-self-supporting coatings. Water-vapor transmission is of interest for high humidity conditions. The wet cup method is thus the reference method for determining water-vapor transmission, if agreed up on otherwise, other procedures or conditions the dry cup method may be used.

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Profi LIGNO moisture meter

TQc-Sheen Profi LIGNO moisture meter

The profi LIGNO is the new edition of the moisture meters maxi LIGNO and combi SCAN. It combines and extends their functions. Not only wood can be measured, but also different building materials, for example screed or gypsum. The profi LIGNO is a dual meter, which means you are able to choose between non-destructive scanning or connecting an external electrode. It particularly suits for discerning clients.

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Skipper Plus Moisture Detector

TQC-Sheen Skipper Plus Moisture Detector

Non-destructive moisture detector for locating damp in laminated plastics such as polyester, and in wood. Equipped with sort rubber electrodes, which absolutely do not damage the surface. Three moisture ranges for detecting moisture in both fresh and saltwater.
Specially developed for osmosis-control and measuring or moisture before commencing with paint work on yachts.

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Wood Moisture Detection Meter – Maxiligno

TQC-Sheen Wood Moisture Detection Meter – Maxiligno

The maxiLIGNO is part of a new generation of moisture meters. It is equipped with newest technology for perfect precision and easy handling. maxiLIGNO has an extra big illuminated display that shows the chosen wood species and temperature, all time long. It offers 28 Wood types as well as all density groups for measuring more than 240 wood species! The maxiLIGNO can be set in many different languages ( for example English, French, German, Swedish etc). If the battery is low, the maxiLIGNO will show it you right in time on the display! The idea behind maxiLIGNO was to developed a moisture meter usable without any manual! maxiLIGNO, it has never been that easy and precise!

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Wood Moisture Meter – Mini-ligno ‘Classic Plus’

TQC-Sheen Wood Moisture Meter – Mini-ligno ‘Classic Plus’

Wood moisture meter in pocket size format. The Mini LIGNO classic+ is the succession model of the mini LIGNO X. With the mini LIGNO classic+ you have the option between four wooden groups, 16 single species of wood and an reference scale. Because of the wide range of options, the Classic+ is suited particularly for wood buyers, wood traders, wood processors, saw companies and for the dry masters.

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Wood Moisture Meter – Mini-ligno Duo

TQC-Sheen Wood Moisture Meter – Mini-ligno ‘Classic Plus’

Pocket size moisture detection meter suitable for measuring in wood, and construction materials. The mini LIGNO duo is the succession model of the mini LIGNO S. With the mini LIGNO duo you have the option between four base-wooden groups, 8 building materials as for example gypsum or screed and an reference scale. The measuring area lies between 6% and 75%. With building materials it is distinguished between dry, moist and wet.

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Wood Moisture Meter – Mini-ligno Smart

TQC-Sheen Wood Moisture Meter – Mini-ligno ‘Classic Plus’

Wood moisture meter in pocket size format. With the mini LIGNO smart you own the option between four wooden groups, up to 16 freely eligible species of wood or building material kinds and an reference scale. The smart device is tuned individually to the customer wish and is applicable for all areas.

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Basic Inspection KIT

TQC-Sheen Basic Inspection KIT

Assess the quality of old and existing layers of paint.
Standards: ASTM B117
To fulfill the demand of many companies in the line of paint and their customers we composed the “Basic Inspection Kit”. In the field the need had arisen of one standard measuring set to perform all measurements and tests regarding painting.
The kit is created to be used by executives of painting companies, such as foremen and divisional heads. The measuring set is also a very useful tool for customers like housing associations.
The “Basic Inspection Kit” gives you profound information on the quality of old or existing coats of paint. The kit is also equipped with tools to perform measurements during application and delivery of a new paint job.

The “Basic Inspection Kit” consists of the following tools:

 TQC Basic Inspection Kit



 RV2100 Digital thermo/hygrometer

 SP3000 MasterPaintPlate

 SP3007 TQC Tape For Adhesion Test (ISO 2409:2003)

 SP3008 Rubber grip knife 9mm

 DI0035 LED pocket flashlight

 DI0011 Compass

 LD6205 Illuminated hand-held surface microscope for surface inspections.

 SP6202 Bradle

 SP2000 PH-indicator paper

 SP6000 Wedge for measing reverse-side tolerance

 LD3025 Telescopic Inspection Mirror

 SP6400 Permanent marker black

 LI7000 Non-destructive instrument for measuring moisture levels in wood

 LI0004 Destructive wood moisture meter

Tape can be ordered separately as well.

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