MASTECH
MASTECH MS6900 Mini Digital Moisture Meter 0-90%
Measures wood, concrete and ambient moisture from 0% to 90% with temperature, backlit LCD, data hold and auto power-off
- TypeDigital Multimeters
- Measures wood moisture from 8.5% to 60.0% across five material groups
- Reads ambient temperature from -10.0°C to 50.0°C and humidity simultaneously
- Data hold and backlit LCD keep readings visible in low light
- Auto power-off after 10 minutes preserves the two AAA batteries
- Compact 130×55×29 mm body weighs only 140 g for easy carrying
Purpose & Audience
The MASTECH MS6900 is a mini digital moisture meter for measuring wood, lumber and concrete humidity from 0% to 90%. It suits tradespeople and DIY users who need portable moisture and ambient condition checks on site.
Setup Checks
Verify you have two 1.5V AAA batteries as they are not included with the unit. Confirm the material you are testing matches one of the five preset groups so the meter can apply the correct 0.0-60.0% conductivity range.
Thermals Noise Power
The meter operates in environments from -10.0 to 50.0°C and draws power only during active sampling at 0.5 S/time for moisture or 1.5 S for temperature and humidity. Auto power off after 10 minutes without a key press conserves battery life during normal use.
Highlights
- Measures wood moisture from 8.5% to 60.0% across five material groups
- Reads ambient temperature from -10.0°C to 50.0°C and humidity simultaneously
- Data hold and backlit LCD keep readings visible in low light
- Auto power-off after 10 minutes preserves the two AAA batteries
- Compact 130×55×29 mm body weighs only 140 g for easy carrying
Specifications
| Type | Digital Multimeters |
|---|
Questions about this item
Does the MASTECH MS6900 come with the 2 AAA batteries it needs, or must I buy them separately?
The meter requires 2 × 1.5 V AAA batteries and the supplier notes they are not included, so you will need to purchase them before first use.
Which material group should I select when testing oak versus concrete with the MS6900?
Choose Material 2 (range 6.8 ~ 53.4 %) for oak and Material 3 (range 0.9 ~ 24.5 %) for concrete; the meter stores five preset groups covering different wood species and building materials.
What does the 0 % to 90 % moisture range actually cover on the MS6900?
The headline 0–90 % is the overall display span; the electrical-conductivity sensor measures 0.0–60.0 % while the five material groups give narrower practical ranges such as 8.5–60.0 % for softwoods and 0.7–9.2 % for cement mortar.
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