PCE Instruments PCE-MMK 1 Bedienungsanleitung

Multifunction Moisture Meter PCE-MMK 1

User Manual

User manuals in various languages (français,

italiano, español, português, nederlands, türk, polski,

русский, 中文) can be found by using our

product search on: www.pce-instruments.com

Last change: 21 July 2020

v1.0

English

 
 © PCE Instruments 
 
 
Contents 
1Safety notes........................................................................................... 1 
2Description ............................................................................................ 2 
2.1 Purpose ........................................................................................................................... 2 
2.2 Technical specifications of the multifunction moisture meter............................................. 2 
2.3 Device overview............................................................................................................... 3 
2.4 Display indications ........................................................................................................... 3 
2.5 Delivery contents.............................................................................................................. 4 
3Switching on/off ....................................................................................4 
4Device settings......................................................................................4 
4.1 Set material temperature compensation........................................................................... 5 
4.2 Setting the moist / dry indicator ........................................................................................ 5 
4.3 Setting the display backlight............................................................................................. 5 
4.4 Setting the temperature unit............................................................................................. 5 
5Self test ..................................................................................................6 
6Measurement of the ambient temperature and air humidity ............ 6 
7Moisture measurement.........................................................................6 
7.1 Selection of wood group (W1, W2, W3)............................................................................ 7 
7.2 Selection of building material group (B1, B2, B3, B4) ....................................................... 7 
7.3 Wet / dry indicator............................................................................................................ 8 
8Battery replacement.............................................................................. 8 
9Warranty................................................................................................. 8 
10 Disposal ................................................................................................. 8 
 
 
 

1 Safety notes

Please read this manual carefully and completely before you usethe device for the first time. The

device may only be used by qualified personnel and repaired by PCE Instruments personnel.

Damage or injuries caused by non-observance of the manual are excluded from our liability and

not covered by our warranty.

•The device must only be used as described inthis instruction manual.If used otherwise,

this can cause dangerous situations for the user and damage to the meter.

•The instrument may only be used if the environmental conditions (temperature, relative

humidity, …) are within the rangesstated in the technical specifications. Do not expose

the device to extreme temperatures, direct sunlight, extreme humidity or moisture.

•Do not expose the device to shocks or strong vibrations.

•The case should only be opened by qualified PCE Instruments personnel.

•Never use the instrument when your hands are wet.

•You must not make any technical changes to the device.

•The appliance should only be cleaned with a damp cloth. Use only pH-neutral cleaner,

no abrasives or solvents.

•The device must only be used with accessories from PCE Instruments or equivalent.

•Before each use, inspect the case for visible damage. If any damage is visible, do not

use the device.

•Do not use the instrument in explosive atmospheres.

•The measurement range as stated in the specifications must not be exceeded under

any circumstances.

•Non-observance of the safety notes can cause damage to the device and injuries to

the user.

We do not assume liability for printing errors or any other mistakes in this manual.

We expressly point to our general guarantee terms which can be found in our general terms of

business.

If you have any questions please contact PCE Instruments. The contact details can be found at

the end of this manual.

2 Description

2.1 Purpose

The multifunctional moisture meter PCE-MMK 1 has been designed for mobile use. The universal

tester shows the moisture in building materials or wood as well as the air humidity and

temperature. The display immediately shows a humidity reference value in %, so no conversion

is necessary. The scope of delivery of the multifunction moisture meter PCE-MMK 1 includes

various insertionprobes for wood,building materials andstacks of paper orcardboard. By means

of a self-test, the universal moisture meter can be checked for correct operation. In addition, the

universal humidity and moisture meter has manual temperature compensation.

2.2 Technical specifications of the multifunction moisture meter

Measurement

range

Wood

1 … 75 %

Building materials

0.1 … 2.4 %

Temperature

-40 °C ... +70 °C / -40 ... +158 °F

Humidity

0 … 100 % RH

Resolution

0.1 %

Accuracy

Wood

1 … 30 % / ±1 %

31 ... 60 % / ±2 %

61 ... 75 % / ±4 %

Building materials

±0.5 %

Temperature

-40 ... -10 °C, +40 ... +70 °C / ±2 °C

-10 ... +40 °C / ±1 °C

Humidity

0 ... 20 % RH, 80 ... 100 % RH: ±5 % RH

20 ... 80 % RH: ±3.5 % RH

Electrode length

8 mm (internal), 30 mm and 150 mm (external)

Measuring principle

electrical resistance

Auto Power Off function

after approx. 3 min without use

Automatic backlight cutoff

after approx. 10 seconds

Housing

plastic, shockproof

Battery

3 x CR 2032

Environmental conditions

0 ... +40 °C / 32 ... 104°F, 0 ... 85 % RH

Dimensions

139 x 47 x 25 mm / 5.5 x 1.9 x 1.0 in

Weight

100 g / <1 lb (without electrodes)

2.3 Device overview

1. Protective cap

2. Measuring electrodes

3. Digital and analogue display

4. Setting key [SET]

5. Delete key [CLR]

6. Power / menu key [MODE]

7. Function test points on the protective cap

8. Sensor for ambient temperature and relative

humidity

2.4 Display indications

1. Battery status indicator

2. Menu indicators:

"LIGHT" - Set backlight

"TEMP" - Set temperature compensation

"UNIT" - Select °C or °F

3. Self test mode

4. MIN / MAX graph

5. Dry / wet: indicator

DRY, MOIST, WET

6. Wood class (W1, W2, W3)

7. Building materials (B1, B2, B3, B4)

8. Moisture display (numerical)

9. Moisture display (graphic)

10. Temperature display

2.5 Delivery contents

1 x multifunctional moisture meter PCE-MMK 1

1 x measuring cap for self-test

1 x measuring cap for external electrodes

1 x ram electrode, 1 x penetration electrode, 1 x paper electrode

2 x 30 mm measuring tips, 8 x 30 mm needles, 2 x 80 mm needles, 2 x 150 mm measuring tips

2 x 300 mm extension

2 x 10 mm needles (replacement for internal electrodes)

1 x user manual

3 Switching on/off

To switch on the device, press the [MODE] key for 2 seconds. The display will show the ambient

temperature, a diagonal scale from 0 to 60 % and the moisture value 0.0 %. Below this, there is

a horizontal scale with the marking DRY / MOIST / WET. At the very bottom of the display, you

will see the indication WOOD W1 for woods of group 1 which is selected as standard material.

Press the [MODE] key again for 2 seconds to switch off the unit. If you do not press any button

within 3 minutes, the unit will switch off automatically to conserve battery power.

4 Device settings

Briefly press the "SET" and "CLR" keys simultaneously to open the settings menu. Use the

"MODE" key to select one of the menu items. Then change the values with the "SET" or "CLR"

key.

Set temperature Set dry index Set wet index Set light mode Set temp unit

4.1 Set material temperature compensation

The relative material moisture depends on the temperature of the material. The instrument

automatically compensates this temperature by measuring the ambient temperature.

In addition, you can enter the temperature manually and thus increase the accuracy of the

measured value. You can set the value with the "SET" key and the "CLR" key. This value is not

saved and must be re-entered each time the instrument is switched on.

Increase value with SET

Decrease value with CLR

4.2 Setting the moist / dry indicator

With the values for the dry and wet indicator, you can adapt the display of the DRY/MOIST/WET

scale to a specific material. Once you have entered the appropriate values, you can see at a

glance whether the sample is dry or too moist for your application. Use the [SET] key and the

[CLR] key to increase or decrease the value and the [MODE] key to change from "Dry" to "Wet".

4.3 Setting the display backlight

AUTO: The backlight is switched off automatically after a period of inactivity and

is switched back on as soon as a measurement is started.

ON: The display backlight is permanently switched on.

OFF: The backlight is deactivated.

Press the SET key to switch between the backlight options. This setting is not saved. When the

unit is switched on again, the function is set back to "AUTO".

4.4 Setting the temperature unit

You can switch the temperature unit from °C to °F. This

setting will be saved to the device and is still available

even after the meter is switched on again.

5 Self test

Go to TEST mode by pressing and releasing the MODE key. Place the electrodes at the contacts

on the protective cap, marked with "T" and "B". Compare the display with the following pictures.

Contacts marked with B Contacts marked with T

correct incorrect correct incorrect

6 Measurement of the ambient temperature and air humidity

The universal moisture meter continuously measures the ambient temperature and relative

humidity. The ambient temperature is used for temperature compensation during material

moisture measurement, thus increasing the accuracy. Press and hold the [SET] key for 2 seconds

to toggle the display between ambient temperature and relative humidity.

7 Moisture measurement

Before starting the measurement, you must first select the material group by briefly pressing the

[MODE] key.

WOOD for measurements in wood, wood-based materials and cardboard / paper, divided into

3 groups

BUILD for building materials such as plaster, aerated concrete, screed and concrete, divided

into 4 groups

TEST to check the meter with the supplied protective cap

Then select the wood or building material group as described in the following sections 7.1 and

7.2. To measure the moisture content, slowly and carefully prick the measuring electrodes into

the material (without applying much force). The puncture in wood should be vertical to the wood

fibres. At a moisture content of less than 20 %, the penetration geometry is of no great

importance for the measurement result. Always measure at several points for comparison or to

be able to calculate an average value.

For hard woods and building materials, the use of ram electrodes is recommended. These are

connected to the plug on the protective cap via the connection cable. The paper electrode is

connected in the same way. For very hard material, where there is a risk of destroying the meter

(breakage of the needles), it is also possible to drive in two nails and apply the electrodes to

these.

7.1 Selection of wood group (W1, W2, W3)

The device has three groups (W1, W2, W3) for wood and wood-like materials. You can change

the group by briefly pressing the [SET] key. The following chart shows what kind of wood belongs

to which wood group.

Wood groups

Abachi

Agba

Mahogany

Afrormosia / assamela

Pear tree

Maple

Pine tree

Rubber tree

Black afara

Alder

Chestnut

Coco-produa

Beech

Aspen

Khaya

Dabema

Balsa

Cherry

Cork

Ebony

Tree heath

Pine

Melamine chipboard

Red oak

Beech, European

Poplar (general)

Phenolic resin

chipboard

Oak

Birch, yellow birch

Plum

Ash

Logwood

Sandalwood

Ash, American

Oak

Swiss pine

Ash, Japanese

Aspen

Walnut

Lime tree

Alder

White maple

Rosewood

Alder, red

White birch

Rosewood

Alder, black

White beech

Copper beech

English oak

White Poplar

Silver poplar

Ash

Juniper

Teak

Yellow birch

Trembling poplar

Winter linden

Yellow pine

Cypress

Winter linden,

American

Douglas fir

Elm

Willow

Red cypress

White oak

Horse chestnut

Wood fibre insulation

board

Cedar

Tree of life

Fibreboard

Cypress

Larch

Kauramin chipboard

Cardboard

Chestnut

Paper

7.2 Selection of building material group (B1, B2, B3, B4)

The device has characteristiccurves for fourgroups of buildingmaterials. You canswitch between

these by briefly pressing the [SET] key.

B1 Plaster

B2 Aerated concrete

B3E Screed

B4 Concrete

7.3 Wet / dry indicator

Below the measured moisture value, the test instrument shows a moisture evaluation in the form

of a scale on the display. During the measurement, a small marking point above the scale moves

from left to right. The scale has 3 main ranges: DRY / MOIST and WET. These have 5 divisions

each. This indicator is only meaningful if suitable minimum and maximum values are set for the

material to be measured, see chapter 4.2. A minimum value of 70 and a maximum value 850 can

be recommended as a starting value and then the values must be adjusted upwards or

downwards, depending on the desired indication.

8 Battery replacement

If the battery voltage is too low, this is indicated by an icon in the display. You must replace the

batteries when the icon is visible. To do this, remove the screw on the back of the device and

replace the batteries, making sure the polarity is correct when inserting the new batteries.

9 Warranty

You can read our warranty terms in our General Business Terms which you can find here:

https://www.pce-instruments.com/english/terms.

10 Disposal

For the disposal of batteries in the EU, the 2006/66/EC directive of the European Parliament

applies. Due to the contained pollutants, batteries must not be disposed of as household waste.

They must be given to collection points designed for that purpose.

In order to comply with the EU directive 2012/19/EU we take our devices back. We either re-use

them or give them to a recycling company which disposes of the devices in line with law.

For countries outside the EU, batteries and devices should be disposed of in accordance with

your local waste regulations.

If you have any questions, please contact PCE Instruments.

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