Jtech
MD-912
DIGITAL MOISTURE METER
OPERATION MANUAL
Thank you for purchase our Products. Please read this manual first before use it. It will tell you how to use it and
simply inspect it so as to exert the ruggedization and durable of its merit. The instrument is a delicate one, which
used to measure the containing water of wood, bamboo, paper etc.
I. Features:
* Large digital LCD
* Measuring ranges: Can be chosen as follows according to different tree types:
1. 2%~40% 2. 2%~50%
3. 2%~60% 4. 2%~70%
* Resolution: 0.5%
* High accuracy and fast reaction speed
* With readings hold function to hold the measurement readings
* Display with signs and units for easy reading
* Automatic low voltage warning “ ”
* Temperature active compensation function
* Tree types choosing function
* Power supply: one 9V alkali or carbon zinc battery
* Dimensions of the ammeter: 129x63x32mm
* Weight: about 116g (including the battery)
* Operation temperature and humidity: 0
℃～
40
℃（
32
℉～
104
℉）
0
～
70
％
Rh
II. Layout description:
1.
Probe protective hood
2.
Measuring probe
3.
Tree type choosing key
4.
Power switch / reading hold switch
5.
LCD
6.
Battery door
III. Measuring method:
1.
Press the “
S
” key to start the system, and the LCD shows “
0.0%
” and the measuring start sign “
SCAN
”.
2.
Press the “
M
” key to choose the related tree type among “
1, 2, 3, 4
” shown on the LCD, each stands for a tree
type. See details in Appendix 2 Tree types cross reference list. If the measuring tree type is unknown, it is
suggested to choose the default tree type 3.
3.
Insert the probe of the instrument 5mm into the material for measurement. This time the reading on the LCD
shows the moisture content of the material for measurement.
4.
When the “
S
” key is pressed during the measuring procedure, the present reading shall be held and the
“
HOLD
” sign will show on the LCD. Pressing the “
S
” key the second time, the readings hold function will be
