The DM4A Moisture Meter is a universal hand held instrument for measuring moisture content in wood, building materials, paper, cardboard and numerous other materials. The DM4A Moisture Meter reads moisture non destructively, giving digital results in seconds with no drilling, no waiting for heat to dissipate and no other time consuming preparation.
Excess or hidden moisture causes timber to warp, building materials to fail and finishes to break down, so identifying it early protects work before it is committed. The DM4A Moisture Meter works on the capacitive principle: the materials are merely touched, the three spring steel sensors are pressed onto the surface, and the percentage moisture appears on the display at roughly one reading every two seconds. The measuring field penetrates approximately 30 mm, so moisture in lower lying layers is included and an average percentage is shown. Measurement is microprocessor controlled with automatic zero point correction.
The adjustable measuring range of the DM4A Moisture Meter is 0 to 100% with a resolution of 0.10%, a measuring frequency of 1 to 10 measurements per second and adjustable attenuation of 0 to 99%. The DM4A Moisture Meter stores 100 moisture values and calculates maximum, average and minimum automatically. Fixed linearisation curves for common materials are pre stored, and up to 10 customer specific curves with up to 8 programmable points can be added. Calibration can be checked with optional modules PE05 and PE30. The DM4A Moisture Meter measures approximately 200 x 80 x 40 mm, weighs around 250 g and runs on a lithium U9VL battery.
The DM4A Moisture Meter can be used in accordance with DIN EN.50081 2 (EC Rated). The DM4A Moisture Meter is supplied in a foam lined pouch with instructions by BAMR, South Africa's authorised distributor.
DM4A Moisture Meter
The DM4A Moisture Meter is a universal moisture meter for measuring moisture content in wood, building materials, paper, cardboard and numerous other materials. This non destructive moisture meter gives you digital readings in seconds.
- Pocket size, robust, hand held electronic moisture meter Suitable for quick determination of moisture with materials merely touched and the percentage moisture appearing on the display, approximately one reading every 2 seconds.
- Depth of penetration Approximately 30 mm into the material, thereby the moisture in low lying layers is obtained as well with the average moisture percentage shown.
- No time consuming preparations required Drilling holes and waiting for heat to dissipate are no longer necessary.
- Material group setting By means of a membrane-type keypad with the adjusted material group always visible in the display.
- Microprocessor controlled measuring Automatic zero point correction.
- Customisable linearisation curves Up to 10 different customer specific linearisation curves with up to 8 free programmable linearisation points can be implemented.
- Storage for 100 moisture values
- Automatic calculation of maximum, average and minimum values
- Fixed linearisation curves for common materials Already stored and can be selected.
- Calibration check capability The instrument's calibration can be checked with optional calibration modules PE05 and PE30.
Also available to buy online at GaugeIt, our online store.
When to use the DM4A Moisture Meter
Reach for the DM4A when you need a quick non destructive moisture reading across mixed materials, from timber and chipboard to brick, screed and concrete. It suits site walk-throughs and incoming checks where you want a percentage on the display in seconds without cutting or drilling into the material.
- 1Non destructive in secondsMaterial is merely touched and the moisture percentage appears, with roughly one reading every two seconds, so you can survey many points without leaving marks or waiting for samples to dry.
- 2Reads below the surfacePenetration of about 30 mm into the material means you capture moisture in lower lying layers, not just a misleadingly dry surface skin.
- 3Covers wood and building materialsStored material group settings span softwoods, hardwoods, brick, plaster, screed, concrete and marble, so one meter handles a varied inspection list rather than tying you to a single substrate.
- 4Custom curves and stored valuesUp to 10 customer specific linearisation curves and storage for 100 readings with automatic max, average and minimum let you tune the meter to your own materials and record a job as you go.
Lower-budget alternatives
Ten minutes on a call with one of our specialists usually saves you from buying the wrong instrument.
Book a 10-minute callOr , our product assistant, for an instant answer.
When to use this
When to use the DM4A Moisture Meter
Reach for the DM4A when you need a quick non destructive moisture reading across mixed materials, from timber and chipboard to brick, screed and concrete. It suits site walk-throughs and incoming checks where you want a percentage on the display in seconds without cutting or drilling into the material.
- 1Non destructive in secondsMaterial is merely touched and the moisture percentage appears, with roughly one reading every two seconds, so you can survey many points without leaving marks or waiting for samples to dry.
- 2Reads below the surfacePenetration of about 30 mm into the material means you capture moisture in lower lying layers, not just a misleadingly dry surface skin.
- 3Covers wood and building materialsStored material group settings span softwoods, hardwoods, brick, plaster, screed, concrete and marble, so one meter handles a varied inspection list rather than tying you to a single substrate.
- 4Custom curves and stored valuesUp to 10 customer specific linearisation curves and storage for 100 readings with automatic max, average and minimum let you tune the meter to your own materials and record a job as you go.
Lower-budget alternatives
Ten minutes on a call with one of our specialists usually saves you from buying the wrong instrument.
Book a 10-minute callOr , our product assistant, for an instant answer.
Specifications
Specifications
- Measuring range
- 0 - 100% (adjustable)
- Resolution
- 0.10%
- Measuring frequency
- 1 - 10 Meas. / sec. (adjustable)
- Attenuation
- 0 - 99% (adjustable)
- Measurement storage
- 100 values
- Dimension
- approx. 200 x 80 x 40 mm
- Weight
- approx. 250 g
- Battery
- Lithium U9VL battery with 1.2 Ah capacity will outlast normal 9v PP3 by over 10 times
Material Group Settings - BD2 Setting on the DM4A (A - Timber)
- A1
- Fir, Hemlock, Poplar, Ilomba
- A2
- Cedar, Chestnut, Lime, Pine
- A3
- Ash, Birch, Beech, Cherry, Elm, Nut, Red – Oak
- A4
- Apple – Tree, Pear – Tree, Oak, White Beech, Particle (Chip) Board
- A5
- Hardboard
Material Group Settings - BD2 Setting on the DM4A (B - Building Materials)
- B1
- Ytong
- B2
- Bricks, Plastering, Wall – Tiles
- B3
- Sand, Cement – Eternit – Slabs, Floor – Tiles, Anhydride Flooring
- B4
- Water – Proof – Screed, Concrete
- B5
- Marble
Material Group Settings - HD5 Setting on the DM4A
- H1:
- Balsa
- H2:
- Abachi
- H3:
- Fir, Gobun, Hemlock, Ilombo, Louen, Meranti–Light, Oregon–Pine, Poplar, Red-Pine
- H4:
- Carollnapine, Cedro, Pine, Limba, Lime, Horsechestnut, Silverwillow , Cedar
- H5:
- Ahorn, Ash, Birch, Beech, Cherry , Elm, Nut, Pitch-Pine, Red-Oak, Ramin, Sipo, Teak
- H6:
- Apple, Insulation Board, Meranti Dark, Merbau, Oak, Pear, Padouk, White-Pine, Zebrano
- H7:
- Jarrach, Keruing, Macore, Mahogany, Particle Board, Red-Balau, Wenge
- H8:
- Bongossi, Cocobolo, Ebony
Material Group Settings - PD2 Setting on the DM4A
- P1
- Filter Paper, Wrapping Tissue
- P2
- Crepe Paper, Semi Chemical Fluting Medium, Testliner, "Schrenz"
- P3
- Recycled Fluting Medium, Wrapping Paper
- P4
- Kraft Paper
- P5
- Offset Paper
What's in the kit
What's in the kit
Standards
Standards
Frequently asked questions
What materials can the DM4A measure?
The DM4A measures moisture content non-destructively in wood, building materials, paper, cardboard and numerous other materials. Material groups include timber species, building materials such as bricks and concrete, and paper grades such as kraft and offset paper.
What is the measuring range and resolution of the DM4A?
The measuring range is 0-100% (adjustable), with a resolution of 0.1%.
How many material group settings does the DM4A provide?
The DM4A provides three setting groups: BD2 for timber (sub-groups A1-A5) and building materials (sub-groups B1-B5), HD5 for a wider range of timber species (sub-groups H1-H8), and PD2 for paper and board grades (sub-groups P1-P5).
How is the DM4A powered?
The DM4A runs on a 9V block battery: a standard alkaline 9V, or a lithium 9V (such as the U9VL) for longer life.
Does the DM4A store measurements?
Yes. The instrument stores up to 100 measurement values.
How quickly does the DM4A take readings?
The measurement frequency is adjustable from 1 to 10 measurements per second.
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Tell us about your application and we will send a quote with lead time and accessories.