DM4A Non Destructive Moisture Meter
Technical 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

Alternative moisture meters

DS4A with bigger storage, connectors for additional sensors as temperature and air humidity, data logger for up to 4000 values, PC-Interface
A10/20, H24/70, P12/20 (with analogue display)
G812 (special instrument for screeds)
PD5 for waste paper
DM7 similar to the DM4A but with special sensor for measuring moisture in veneers, corrugated cardboards, single flat cardboard & cardboard pipes & rolls
GM32, GM42, GM53, GM54 (price sensitive meters)
LWM2 (conductance measuring principle with pins)

Measuring Principle (Capacitive) : The micro processor controlled moisture meter measures the moisture indirectly in determining the dielectric constant. Therefore a capacitive measurement is done over a high frequency, electronic field, which passes through the material without damaging it.

Neutral Point : The neutral point (np) is continuously monitored and is automatically corrected by the micro processor.

Measuring Process : After pressing the "on" button and holding the meter in the air, to obtain the automatic neutral point, the 3 spring steel sensors must be firmly pressed onto the material to be tested. The reading is retained until the next reading is made.

Selecting material setting : Press "mat" - key, choose material with arrow keys (up or down) and set it by pressing the "ok" pad (see list below)

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

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

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, Mahogony, Particle Board, Red-Balau, Wenge
H8:	Bongossi, Cocobolo, Ebony

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

DM4A Non Destructive Moisture MeterTechnical 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

Alternative moisture meters

DS4A with bigger storage, connectors for additional sensors as temperature and air humidity, data logger for up to 4000 values, PC-Interface

A10/20, H24/70, P12/20 (with analogue display)

G812 (special instrument for screeds)

PD5 for waste paper

DM7 similar to the DM4A but with special sensor for measuring moisture in veneers, corrugated cardboards, single flat cardboard & cardboard pipes & rolls

GM32, GM42, GM53, GM54 (price sensitive meters)

LWM2 (conductance measuring principle with pins)

Measuring Principle (Capacitive) : The micro processor controlled moisture meter measures the moisture indirectly in determining the dielectric constant. Therefore a capacitive measurement is done over a high frequency, electronic field, which passes through the material without damaging it.

Neutral Point : The neutral point (np) is continuously monitored and is automatically corrected by the micro processor.

Measuring Process : After pressing the "on" button and holding the meter in the air, to obtain the automatic neutral point, the 3 spring steel sensors must be firmly pressed onto the material to be tested. The reading is retained until the next reading is made.

Selecting material setting : Press "mat" - key, choose material with arrow keys (up or down) and set it by pressing the "ok" pad (see list below)

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

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

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, Mahogony, Particle Board, Red-Balau, Wenge

H8:

Bongossi, Cocobolo, Ebony

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

DM4A Non Destructive Moisture Meter
Technical Specifications