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ProfiScale DrY PS 7400

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Introduction

This device is extremely versatile and can measure the moisture content of 
cut wood, plasterboard, paper or cardboard as well as of solid materials such 
as concrete and screed. This is shown directly on the display. The device can 
also measure the ambient temperature. The DRY PS 7400 moisture meter is 
extremely easy to operate.

Illustration

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  Test prods 

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  Digital display 

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   ON /SET button

Safety instructions

Failure to observe the following instructions
may result in personal injury: 

1.   Before using the device, you must read these instructions carefully to 

ensure that you operate the device safely. Keep these instructions in a  
safe place.

2.    Keep the device away from children and unauthorized persons.
3.    For safety reasons and to maintain the warranty  

on the device, repairs to the measuring device must only be carried out 
by qualified personnel using genuine parts.

4.    Never expose the device to an electric voltage,  

as this could damage the electronics.

5.    Do not use the device in the vicinity of inflammable or explosive gases.
6.   Do not use the device if it is defective.
7.   Handle the device with care and do not drop it.
8.    To avoid functional errors, do not dismantle the device.
9.   Keep the device clean and dry.
10.   When not in use, the device should be stored in the bag supplied.
11.  Avoid contact with water and dust.
12.   Do not use abrasive cleaners or solvents to clean the device. Use a damp 

cloth and mild  

detergent.

13.   Check the battery/batteries regularly to prevent damage.
14.   Remove the battery if you are not going to use  

the device for a long period.

Warranty

Congratulations!
Thank you for choosing ProfiScale quality measuring technology by BURG-
WÄCHTER. BURG-WÄCHTER offers a warranty of 2 years’ duration from the 
date of purchase. The warranty does not cover damage caused by improper 
use, overloading the device or incorrect storage as well as normal wear and 
defects that only have an insignificant effect on the value or usability of the 
device.
The warranty shall be immediately invalidated if unauthorized persons work 
on the device. In the event that a warranty claim arises, please hand over the 
entire device incl. packaging, description and batteries along with the sales 
receipt to your dealer.

technical data

Measurement range

Wood: 6 – 42 %
Solid materials:
0.2 – 2.0 % 

resolution

Wood: 1 %
Solid materials:
0.1 %

accuracy

Wood: < 30 %: ± 2 %

 30 %: ± 4 %

Solid materials:
< 1.4 %: ± 0.1 %

 1.4 %: ± 0.2 %

Power supply

4 × 1.5 V
(e. g. LR44)

Optimum ambient conditions 

0 °C – 40 °C,
air humidity:
< 85 %

Storage temperature

-10 °C – 50 °C,
air humidity: < 85 %

Operating the device

 Press the ON/OFF button to switch on the device.

Selecting the required mode:

 after switching on the device, you must 

press the button for approx. 3 seconds to enter the selection mode (the 
symbol flashes in the display). Now press the button as many times as 
necessary until the required symbol appears in the display.

Four modes can be selected:

1.  Wood moisture measuring mode
2.  Mode for measuring solid materials such as screed
3.  Ambient temperature measurement in °C
4.  Ambient temperature measurement in °F

After selecting the required mode, wait for a further 3 seconds. The device 
now adjusts automatically and you can begin taking readings.

taking measurements

1.  To measure moisture, you must first select the required mode. Then push 

the test prods into the object you wish to measure. The reading appears 
on the display. If the display shows “OL” (Out of limit) the moisture of the 
object is beyond the measurement range.

2.   For ambient temperature measurements, you can read the temperature 

from the display immediately after you select the correct mode.

automatic switching off:

The device switches off automatically after 15 seconds if no  
measurement is taken.

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