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Testo 606-2 Moisture Meter

The testo 606-2 measures the moisture content of different types of wood and building materials.

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Testo 606-2 Moisture Meter
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  • Testo 606-2 Moisture Meter

The testo 606-2 measures the moisture content of different types of wood and building materials. It can measure moisture the same way as the testo 606-1, and is also able to measure relative humidity and air temperature, and calculate the dew point and wet bulb temperature.

This means that you can now measure the moisture content of the wood you have stored, and the relative humidity in the surrounding storage area. Armed with such valuable information, you can now easily determine whether the storage conditions are ideal, or whether they need to be adjusted.

The testo 660-2 measures the moisture in wood and building materials via the two ram electrodes. The characteristic curves allow the moisture content to be displayed directly as a weight percentage based on the dry mass (dry weight). The following characteristic curves are stored in the meter: 

  • for precise moisture measurements in beech, spruce, larch, oak, pine, maple
  • for detecting moisture and wet places in building materials like cement screed, concrete, plaster, anhydrite screed, cement mortar, limestone mortar, and brickwork
  • Includes Testo 606-2 moisture meter, protective cap, belt bag, calibration certificate, and batteries
Temperature - NTC

Measuring range

14° to 122 °F / -10 to +50 °C


±0.9 °F / ±0.5 °C


0.1 °F / 0.1 °C

Humidity - Capacitive

Measuring range

0 to 100 %rH


±2.5 %rH (5 to 95 %rH)


0.1 %rH

Wood / Building material moisture

Measuring range

8.8 to 54.8 % by weight; beech, spruce, larch, birch, cherry, walnut

7.0 to 47.9 % by weight; oak, pine, maple, ash-tree, douglas fir, meranti

0.9 to 22.1 % by weight; cement screed, concrete

0.0 to 11.0 % by weight; anhydrite screed

0.7 to 8.6 % by weight; cement mortar

0.6 to 9.9 % by weight; lime mortar, plaster

0.1 to 16.5 % by weight; bricks


±1 %



Measuring rate

1 sec

General technical data


5 x 2 x 1 in. (incl. protective cap) / 119 x 46 x 25 mm (incl. protective cap)

Operating temperature

14° to 122 °F / -10 to +50 °C

Protection class


Battery type

2 AAA batteries

Battery life

130 h (average, without display illumination)

Storage temperature

-40° to 158 °F / -40 to +70 °C


3 oz. (protective cap and batteries included) / 90 g (protective cap and batteries included)