DampMaster Compact Plus - Measuring equipment Laserliner - Free user manual and instructions

Product type	Moisture meter for wood and building materials
Brand	Laserliner
Model	DampMaster Compact Plus
Category	Measuring equipment
Measurement principle	Resistive (material moisture)
Measurement modes	Wood (3 groups A, B, C), Building materials (8 types), Index mode (31 materials), Test mode
Measurement ranges (wood)	Groups A, B, C: according to built-in table
Accuracy (wood)	±1% (5% … 30%), ±2% (<5% and >30%)
Accuracy (building materials)	±0.15% (depending on type)
Display	Digital LCD with adjustable backlight (Auto/On/Off)
Dry/wet indicator	12 levels, programmable in Index mode
Temperature compensation	Automatic (ambient temperature) or manual
Special functions	MIN/MAX values, auto-off (3 min), radio transmission
Radio interface	IEEE 802.15.4 (Digital Connection), max. range 10 m
Power supply	4 batteries 1.5 V LR03 (AAA)
Dimensions (L × W × H)	58 mm × 155 mm × 38 mm
Weight (with batteries)	186 g
Operating conditions	0 °C … 40 °C, max. RH 85% (non-condensing)
Storage conditions	-10 °C … 60 °C, max. RH 85%
Maintenance	Clean with a slightly damp cloth; remove batteries if not used for extended periods
Calibration	Recommended once a year (contact customer service)
Safety	Avoid mechanical stress, extreme temperatures, humidity; do not insert electrodes forcibly
Warranty	According to general terms (see complete manual)

Frequently Asked Questions - DampMaster Compact Plus Laserliner

How to turn on the device?

Press the On/Off button (item 11). The LCD screen displays the ambient temperature for 1 second, then the device is ready. Automatic shutdown occurs after 3 minutes of inactivity.

What are the different measurement modes?

The device offers four modes: Wood (3 groups A, B, C), Building materials (types 01 to 08), Index mode (for materials without curve, values 0 to 1000) and Test mode (function check). Switching is done by pressing the On/Off button (11) several times.

How to select the appropriate wood group?

Refer to the wood table (section 10 of the manual) to find the group (A, B or C) corresponding to your species. Use the Change groups button (item 9) to scroll through A, B or C until the correct group is displayed.

How to take a moisture measurement?

Place the electrodes on the material by pressing them in slightly (without forcing). Wait for the % symbol to stop flashing and stay on: the measurement is then stable. Take several comparative measurements for reliability. Remember to check for the absence of cables or metal under the surface.

What does Index mode mean and how to use it?

Index mode displays a unitless value (0 to 1000) proportional to moisture, independent of the material. It allows quick detection of moisture variations on materials without a conversion curve. Use the conversion tables (section 15) to estimate the moisture content in % for certain materials.

How to interpret the dry/wet indicator?

The indicator consists of 12 segments (bars) that light up progressively. The more bars, the wetter the material. The transition between dry and wet is based on the curves of the selected material. In Index mode, you can program the thresholds using the buttons.

How to clean and maintain the device?

Use a slightly damp cloth without aggressive products or solvents. Remove the batteries if the device is not used for a long period. Store it in a dry and clean place. Annual calibration is recommended to ensure accuracy.

How to use radio transmission to a smartphone?

Activate the radio interface (always active after power-on) and open the dedicated Laserliner app on your mobile device. Search for the device (max. range 10 m) and connect. Once connected, you can transfer measurements in real time.

What to do if the device displays an abnormal value or does not turn on?

Check the battery level (replace if necessary). Make sure the electrodes are clean and the measurement surface is free of dirt. If the problem persists, perform a test in Index mode on a known material, or contact customer service.

Where to find the declaration of conformity and more information?

The complete EU declaration of conformity is available at: www.laserliner.com/info?an=damacopl. There you will also find additional safety instructions and maintenance information.

USER MANUAL DampMaster Compact Plus Laserliner

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Read the operating instructions and the enclosed brochure „Guarantee and additional notices" completely. Follow the instructions they contain. This document must be kept in a safe place and passed on together with the device.

Intended use

This material moisture device detects and evaluates the material moisture content of wood and building materials by way of electric resistance measurement. The displayed value is material moisture in % with respect to dry mass.

Example: 100% material moisture for 1kg of wet wood = 500g water.

General safety instructions

• The device must only be used in accordance with its intended purpose and within the scope of the specifications.
• The measuring tools and accessories are not toys.

Keep out of reach of children.

• Modifications or changes to the device are not permitted, this will otherwise invalidate the approval and safety specifications.
• Do not expose the device to mechanical stress, extreme temperatures, moisture or significant vibration.
• Do not use the measuring probe with an external voltage.
• The device must no longer be used if one or more of its functions fail or the battery charge is weak.
• Please ensure compliance with the safety regulations set out by local and national authorities with regard to the correct and proper use of the device.

Safety instructions

Dealing with electromagnetic radiation

• Local operating restrictions – for example, in hospitals, aircraft, petrol stations or in the vicinity of people with pacemakers – may apply. There is a possibility of a dangerous impact on – or interference with – electronic devices.
• The measuring accuracy may be affected when working close to high voltages or high electromagnetic alternating fields.

Safety instructions

Dealing with RF radiation

• The measuring device is equipped with a wireless interface. The measuring device complies with electromagnetic compatibility and wireless radiation regulations and limits in accordance with the RED 2014/53/EU.
• Umarex GmbH & Co. KG hereby declares that the DampMaster Compact Plus radio equipment complies with the essential requirements and other provisions of the European Radio Equipment Directive 2014/53/EU (RED). The EU Declaration of Conformity can be found in its entirety at the following address: https://www.laserliner.com/info?an=damacopl

Information on maintenance and care

Clean all components with a damp cloth and do not use cleaning agents, scouring agents and solvents. Remove the battery(ies) before storing for longer periods. Store the device in a clean and dry place.

Calibration

The meter needs to be calibrated and tested on a regular basis to ensure it produces accurate measurement results. We recommend carrying out calibration once a year. Contact your distributor or the UMAREX-LASERLINER service department.

1 Battery charge
2 Measurement scale; bar-graph display of measured value
3 Temperature units of measure setting
4 Wet/dry indicator
5 Numeric measurement value in %
6 Bar-graph display of measured MIN/MAX values
7 Wood groups (A, B, C)
8 Building materials (01, 02, 03, 04, 05, 06, 07, 08)
9 Change wood/building materials
0 Delete MIN/MAX values

9+10 Menu

11 ON/OFF

Mode selection: Wood, building materials, Index mode, Test mode

1 Inserting the battery

Open the battery compartment and insert batteries according to the symbols. Be sure to pay attention to polarity.

2

BaON OFF

After switching on the device, the ambient temperature is displayed for 1 second.

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Auto switch-off after 3 minutes.

4 Modes
5 Select wood group (A, B, C)

Just which wood types are grouped under A, B and C can be found in the table in Section 10.

Select building material (01, 02, 03, 04, 05, 06, 07, 08)

Just which building materials are grouped under 01 to 08 can be found in the table in Section 11.

7 Measuring material moisture

Be sure neither supply lines (electric lines, water pipes, etc) nor a metal subsurface is present at the location to be measured. Insert the electrodes as far into the material as possible but never use excessive or sudden impact force as this could damage the device. Always pull the device out of the material with left/right twisting motion. Perform several comparative measurements at different locations to minimise measurement error. The sharply pointed electrodes present an injury hazard. Always put the safety cap on the device when it is not in use or being transported.

8 Wood

The location to be measured should be untreated, free of knots, dirt and resin. Measurements should not be made on the end faces of wood because these areas dry particularly quickly such that they produce incorrect measurement results. Perform multiple comparative measurements. Wait until the % symbol stops blinking and remains constantly lighted. Only then are measurement values stable.

9 Mineral building materials

Be aware that walls (or surfaces) with differing material structures, or even variations in material composition, can cause measurement results to be falsified. Perform multiple comparative measurements. Wait until the % symbol stops blinking and remains constantly lighted. Only then are measurement values stable.

Material characteristics

The material characteristics available for selection in the measuring device are listed in the tables below. The different types of wood are divided into Groups A ... C. Please set the measuring device for the respective group in which the type of wood to be measured is found (see Step 5). A similar setting must also be made for measurements performed on building materials (see Step 6). Building materials are divided into groups 01 through 08.

10 Wood tables

Wood group A

Abachi	Cypress Pine, Mexican	Niové
Abura	Ebony, African	Oak, Red
Afzelia	Gum, Manna	Oak, White American
Albizia falcata	Hickory, Mockernut	Okoumé
Ash, American	Hickory Pecan	Pau amarello
Ash, Japanese	Hickory, Pignut	Pear
Ash, White American	Idigbo	Pine, Brazilian
Beech, American	Ilomba	Rosewood, Brazilian
Beech, European	Ipe	Rosewood, Indian
Beech, Red (Sapwood)	Iroko	Teak
Canarium, Grey	Lime, American	Willow
Canarium, (PG)	Lime, European	Willow, Black
Cedar, common	Mockernut
Cypress, Alaska	Niangon

Wood group B

Agba	Cembra Pine	Mahogany, Cherry
Alder, Black	Cherry, European	Maple Black
Alder, Common	Chestnut, Horse	Maple, Great
Alder, Red	Chestnut, Sweet	Maple Red
Alerce	Cypress, Italian	Oak, European
Andiroba	Douka	Pine, Common
Ash, Common	Elm	Pine, Maritime
Ash, Silver (Southern)	Emien	Pine, Ponderosa
Aspen	Fir, Douglas	Pine, Western Yellow
Balsa	Fréne	Plum, European
Basralocus / Angelique	Hornbeam, common	Poplar, all
Bean, Black	Izombé	Poplar, White
Birch	Jacareuba	Purpleheart
Birch, European White	Jarrah	Sandalwood, Red
Birch, Yellow	Kapok	Scots Pine
Bloodwood, Red	Karri	Spruce, European
Box, Black	Kosipo	Tola branca
Canarium (SB)	Larch, European	Tree heath
Cedar, Incense	Limba	Walnut, European
Cedar, Pencil	Logwood
Cedar, Western red	Mahogany, African

Wood group C

Afrormosia	Kokrodua	Phenolic resin particle board
Cork	Melamine particle board	Rubber tree
Imbuia	Niové Bidinkala	Tola - real, red

11 Table of building materials

Integrated building materials / measuring range

01 Anhydrite screed (AE, AFE) / 0 ... 29.5%

02 Concrete C12/15 / 0.7 ... 3.3%

03 Concrete C20/25 / 1.1 ... 3.9%

04 Concrete C30/37 / 1.4 ... 3.7%

05 Gypsum plaster / 0.1 ... 38.2%

06 Limestone, bulk density 1.9 / 0.5 ... 18.7%

07 Cellular concrete (Hebel) / 2.0 ... 171.2%

08 Cement screed without additive / 1.0 ... 4.5%

12 Wet/dry indicator

In addition to the measured value, the wet/dry indicator shows the moisture evaluation. This indicator is tuned by the material characteristics (A, B, C; 01, 02, 03, 04, 05,

06, 07, 08) stored in the measuring device. This evaluation is subdivided into 12 steps and it makes an evaluation of the measured material easier. The display is to be considered as a general indication and not a final evaluation.

13 Index mode

Index mode is used to rapidly locate moisture with comparative measurements, without a direct output of material moisture in %. The output value (0 through 1000) is an indexed value that increases as material moisture becomes greater. Measurements made in index mode are independent of material type and particularly useful with materials for which no characteristics are stored. When comparative measurements reveal strongly deviating values, the course of moisture in the material can be localized quickly. In addition to those materials with characteristics stored in the measuring device, index mode makes it possible to measure other building materials (09 ... 31), refer to the table at the right (See index mode conversion tables). The displayed value (0 through 1000) serves as the basis.

Activate index mode in your measuring device (Step 13b). In order to determine the degree of moisture in a type of building material, first find the material number for the building material to be measured. Following this, read the measured value from the scale displayed on the measuring device for index mode. Now determine the value for the corresponding material number in the table. If this value has a dark grey background, the material is to be classified as "wet", values without coloured background are considered to be "dry".

14 Programmable wet/dry indicator in index mode

The wet/dry indicator can be programmed to the already predefined values especially for index mode. This produces a new setting for the „wet“ and „dry“ threshold value (see arrows).

15 Index mode conversion tables

Index mode, building materials
09 Cement screed with bitumen additive	17 Stone-wood, xylolite	25 Limestone
	18 Polystyrene, Styrofoam	26 MDF
10 Cement screed with plastic additive	19 Soft fibre board wood, bitumen	27 Glued-laminated timber, spruce, Picea abies Karst.
11ARDURAPID cement screed	20 Cement-bonded particle board	28 Wood chip, softwood with probe
12 Elastizell screed	21 Clay bricks, bricks	29 Hay, flax
13 Plaster screed	22 Aerated concrete, Ytong PPW4, bulk density 0.55	30 Straw, grain
14 Wood cement screed		31 Permoxx board
15 Lime mortar	23 Asbestos cement board
16 Cement mortar ZM 1:3	24 Gypsum

Continued on next page

Material moisture conversion table

OL = Outside measuring range

16 Wood moisture/ temperature compensation

The relative material moisture of wood is dependent on temperature. The device automatically compensates for different wood temperatures by measuring the ambient temperature and using it for the internal calculation.

To increase measuring accuracy, however, the measuring device also offers an option for setting the temperature manually (see Step 16b). This value is not stored and must be set again each time the device is switched on.

17 LCD backlight

LED display illumination can be varied with 3 different settings:

AUTO: Display illumination switches off during periods of inactivity and switches on again automatically for measurement procedures.

ON: Display illumination remains on permanently.

OFF: Display illumination remains off permanently.

The setting is stored and remains in effect until it is changed manually.

18 Temperature units of measure setting

The units of measure for ambient temperature and material compensation can be set to either ^ C or ^ F . The setting is stored and remains in effect until it is changed manually.

19 Self-test function

Data transfer

This device has digital connectivity which allows wireless data transfer to mobile devices such as smart phones or tablets with a wireless interface.

The system prerequisites for a digital connection are specified at

https://www.laserliner.com/info?an=damacopl

This device can generate a wireless connection to devices which are compatible with the wireless standard IEEE 802.15.4. The wireless standard IEEE 802.15.4 is a transfer protocol for Wireless Personal Area Networks (WPAN).

The range is set to a maximum distance of 10m from the terminal device and greatly depends on the ambient conditions such as the thickness and composition of walls, sources of interference as well as the transmit / receive properties of the terminal device.

The digital connection is activated as soon as the device is switched on as the wireless system is designed to use very little electricity.

A mobile device can link up to the active measuring device via an app.

Application (app)

An app is required to use the digital connection You can download the app from the corresponding stores for the specific type of terminal device:

Make sure that the wireless interface of the mobile device is activated.

After starting the app and activating the digital connection, a connection can be set up between a mobile device and the measuring device. If the app detects several active measuring devices, select the matching device.

This measuring device can be connected automatically the next time it is switched on.

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Functional and operational safety is only warranted when the instrument is operated within the specified climatic conditions and is only used for those purposes for which it is designed. The assessment of measurement results and actions taken as a consequence lie in the user's scope of responsibility, depending on the given type of work.

Technical data Technical revisions reserved. 23W17
Measured variable	Moisture content of material (resistive) Ambient temperature
Mode	3 wood groups, 8 building materials, Index mode, Test mode
Accuracy (absolute)	Wood: ± 1% (5% ... 30%), ± 2% (<5% and >30%), Building materials: ± 0,15%
Auto power off after 3 minutes	0°C ... 40°C, max. humidity 85% rH, no condensation, max. working altitude 2000 m above sea level
Storage conditions -10°C ...	60°C, max. humidity 85% rH
Radio module operating data	IEEE 802.15.4. LE ≥ 4.x (Digital Connection) interface; Frequency band: ISM band 2400-2483.5 MHz, 40 channels; Transmit power: max. 10 mW; Bandwidth: 2 MHz; Bit rate: 1 Mbit/s; Modulation: GFSK / FHSS
Power supply 4 x 1,5V LR03 (AAA)
Dimensions (W x H x D) 58 mm x 155 mm x 38 mm
Weight 186 g (incl. batteries)

EU and UK directives and disposal

This device complies with all necessary standards for the free movement of goods within the EU and the UK.

This product, including accessories and packaging, is an electrical appliance that must be recycled in an environmentally appropriate manner in accordance with European and UK directives on waste electrical and electronic equipment, batteries and packaging, in order to recover valuable raw materials.

Further safety and supplementary notices at:

https://www.laserliner.com/info?an=damacopl

Laserliner

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