80 YEARS · 1946-2026
Surveymaster Moisture Meter
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Surveymaster Moisture Meter
Protimeter

Protimeter Building Materials Moisture Meter Comparison Table

Compare the Protimeter building-materials moisture meter range at a glance. The headline specifications below cover weight, display and non-invasive measurement across the Surveymaster, BLD5765 Aquant, BLD5777 Reachmaster Pro and BLD9800 MMS3 to help you select the right instrument for the survey work in front of you.

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    Used by inspection teams in
    RefiningMarineMiningBridge / civil
    Specifications

    Surveymaster

    Weight
    225g (including Batteries)
    Display
    Digital LCD backlit
    Non-invasive measurement
    up to 20 mm

    Protimeter BLD5765 Aquant

    Weight
    Meter with battery 195gms
    Display
    Backlit LCD
    Non-invasive measurement
    Non-invasive (RF) up to 3/4 in (19 mm) deep 60 to 1000 (relative)

    Protimeter BLD5777 Reachmaster Pro

    Weight
    700g - Instrument only
    Display
    Graphical LCD
    Non-invasive measurement
    60 ppm to 999 ppm

    Protimeter BLD9800 MMS3

    Weight
    309 g (with batteries)
    Display
    2.4 inch TFT Color LCD, 320x240 Resolution, Blacklight with adjustable brightness, Outdoor Mode
    Non-invasive measurement
    60 to 999 Relative, up to 19mm deep in standard mode and up to 12cm deep in sensitivity mode (varies with material under test.)
    Answers

    Frequently asked questions

    Which model measures the deepest into the material?

    The BLD9800 MMS3 measures up to 19mm deep in standard mode and up to 12cm deep in sensitivity mode, depending on the material under test. That is deeper than the Surveymaster's 20mm and the Aquant's 19mm non-invasive ranges.

    What's the difference between the Surveymaster and the BLD5765 Aquant for non-invasive readings?

    The Surveymaster measures non-invasively up to 20mm and weighs 225g including batteries. The Aquant measures non-invasively (RF) up to 19mm (3/4 in) deep, weighs 195g with battery, and displays readings on a 60 to 1000 relative scale.

    Which model is lightest for handheld survey work?

    The Aquant is the lightest at 195g with battery, followed by the Surveymaster at 225g and the MMS3 at 309g with batteries. The BLD5777 Reachmaster Pro is heaviest at 700g, instrument only.

    Does the MMS3 display hold up in bright outdoor conditions?

    Yes. The BLD9800 MMS3 has a 2.4 inch TFT colour LCD at 320x240 resolution, with an adjustable-brightness backlight and a dedicated outdoor mode. The other three models use a plain backlit LCD (Surveymaster and Aquant) or a graphical LCD (Reachmaster Pro).

    What units does the Reachmaster Pro display its readings in?

    The BLD5777 Reachmaster Pro reads non-invasively from 60 to 999 ppm. The Aquant and MMS3 instead use a relative scale, 60 to 1000 and 60 to 999 respectively, and the Surveymaster's readout is not given a specific unit in this comparison.

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