80 YEARS · 1946-2026
Paper Moisture Meters
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About this product

The DM4A Paper Moisture Meter, from Max Doser, is a pocket-sized handheld instrument that measures moisture in paper non-destructively. BAMR supplies the DM4A Paper Moisture Meter as a popular choice for paper because it has a digital display and no pins, so the surface is not damaged by the measurement. Knowing the moisture in paper and cardboard matters for quality control, since out-of-spec moisture affects printing, conversion and storage, and the DM4A Paper Moisture Meter gives a reading in seconds by touch alone.

In use, the material is touched against the Paper Moisture Meter and the average percentage moisture appears on the display, at roughly one reading every two seconds, with no drilling or sample preparation. The measuring field of the DM4A Paper Moisture Meter penetrates approximately 30mm into the material, so moisture in lower-lying layers is obtainable rather than just surface moisture. Although it is supplied for paper, the DM4A Paper Moisture Meter is a universal moisture meter that also reads wood, building materials, cardboard and many other materials. Microprocessor-controlled measurement with automatic zero point correction keeps readings consistent, and the adjusted material group is set on a membrane keypad and shown in the display.

The DM4A Paper Moisture Meter stores up to 100 moisture values and automatically calculates maximum, average and minimum. Fixed linearisation curves for common materials are pre-stored, and up to 10 customer-specific curves with up to 8 programmable points each can be added, while calibration can be checked with the optional PE05 and PE30 modules. The DM4A Paper Moisture Meter conforms to DIN EN 50081-2, an electromagnetic compatibility standard for EC rating, and is supplied in a foam-lined pouch with instructions. Supplied by BAMR, South Africa's authorised distributor.

Doser

Paper Moisture Meters

SKU · DM4A

Paper Moisture Meters measure the moisture in paper non destructively. BAMR supplies the DM4A Moisture Meter from Max Doser. It is a popular instrument, with its Digital display and no pins to damage the surface.

  • Pocket size, robust, hand held, electronic moisture meter suitable for a quick determination of the moisture
  • Non destructive measurement in seconds only push and read
  • Digital display no pins to damage the surface
  • Depth of penetration approximately 30mm, making moisture in low lying layers obtainable
  • Material group setting by means of a membrane-type keypad
  • Adjusted material group display always visible in the display
  • Microprocessor controlled measuring with automatic zero point correction
  • 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 value
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When to use this
Decision guide

When to use the Paper Moisture Meters

Checking moisture in paper or board is awkward when the stock has to stay saleable and unmarked. BAMR supplies the DM4A from Max Doser, a pocket meter that reads in seconds with no pins to pierce the surface.

  • 1
    Leaves no marks on the stock
    Push and read with no pins means you can check finished or saleable paper without holes, so the sheet you tested is not rejected.
  • 2
    Reaches deeper layers
    Penetration of approximately 30mm reads moisture in lower layers of a stack rather than the top surface alone.
  • 3
    Matched to your materials
    Stored linearisation curves for common materials plus up to 10 customer-specific curves let you set the meter to the exact material you handle most.
  • 4
    Keeps a record across a batch
    Storage for 100 values with automatic maximum, average and minimum supports batch checks where you need a record rather than one reading.
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What's in the kit

What's in the kit

Foam lined pouch
Instructions
Standards

Standards

DIN
DIN EN.50081 & 2
EC Rated
Answers

Frequently asked questions

What instrument does BAMR supply for measuring moisture in paper?

BAMR supplies the DM4A Moisture Meter from Max Doser for paper moisture measurement.

Does the DM4A use pins to measure paper moisture?

No. The DM4A is a non-destructive instrument with a digital display and no pins, so it does not damage the paper surface during measurement.

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