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Measuring Range
- 70 to 999 relative (non-invasive)
+ Dry (green); 70 - 169
+ At risk (yellow); 170 - 199
+ Wet (red); 200 - 999
- 7.9% to 99% WME (pin measurement)
+ Dry (green); 7 - 16.9
+ At Risk (yellow); 17 - 19.9
+ Wet (red); 20 - 99.9
Measurement Depth: Non-invasive up to 19mm; Pin up to 12.7mm
Display: LCD Display with separate colour indicators
Dimensions: 190 x 70 x 49mm
Weight: 225 g
Power Supply: 9V battery
Packing list: Elcometer 7000 Moisture Meter, HD MC probe (Model PS), Deep Wall probe 127mm (Model PS), pin calibration check (Model PS), wood calibration chart (Model PS), battery, carry case and operating instructions
Available with pin probes or non-invasive for non-destructive testing, the gauges give average moisture content by comparing the change in impedance between damp and acceptably dry substrates.
Types of Moisture Meters
On porous materials such as concrete, plaster, brick, wood, the moisture content of the substrate should be measured, as the presence of moisture within a material will result in poor adhesion, premature coating failure and poor appearance.
It is not sufficient to simply ensure that the surface is dry as often the surface of the substrate is the driest point – due to evaporation. It is important to establish the moisture content within the substrate itself.
When powder coating wooden panels, for example, if the wood (or mdf) has too high a moisture content, as the panel passes through the oven, the moisture is heated, generating steam – causing significant coating finish issues.
Applying a coating to a concrete floor which is too damp can cause premature adhesion failure. Moisture meters have been developed to specifically determine the level of moisture in a substrate and come in two forms:
Pin-type moisture meters: Invasive pins are pushed firmly into the surface of the substrate being measured and by measuring the electrical resistance between the pin electrodes provide the percentage moisture content (%MC) in the substrate.
Pinless, contact-type moisture meters: Whilst pinless meters typically measure moisture content faster and are non-destructive they do require a relatively flat surface because the sensors are mounted on the base of the gauge making them ideal for concrete.
