Benetech GM130, Instruction Manual, Page: 6 / 12

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3
.
Calibration:
Long press on the
“
CAL/CLR” key until 4.00 appears with
“ CAL ” flashing at the bottom. Take 4.00 standard calibrating
piece at the 5900m/s until the “ CAL ” disappears.
2
.
Sound speed adjustmen
Press “ VEL/DEL” key and the sound speed icon flashes,
then press the Up key or Down key to adjust the speed,
press the“VEL/DEL”key the “
VEL ” icon flashes, then press
the Up key or Down key to adjust the speed preset.
5
.
0
-08-
Adjusting the sound speed
within the unit
Adjusting the unit of
sound speed.
Calibration window
4
.
Sound speed measuring
Measuring the thickness Measuring the speed
5.Restoring the default speed value
Long press on“CAL/CLR”key until “
CAL ” followed with
“ CLR ” interface, release the key the speed jump to 5900
m/s automatically.
Restoring default speed
How to determine the sound speed of a certain material
with piece of given depth:Measure the depth of the mate-
rial with caliber or micrometer.Select a preset speed close
with the measured and couple the sensor with the block
with given thickness until a value is given, remove the
sensor and adjust the value with Up or Down key to make
it equaling with the actual thickness value. Press the“CAL
/CLR”key to display the measured speed and save the
value to the current unit automatically.The thickness must
be sufficient for measuring that is at least 25.0mm.
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DOCUMENT NO.: QR-208/A
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SCALE
SIZE
DATE NAME APPROVALS
APP. BY
CUSTOMTER
DRAWN BY
CHECKED BY
1:1
A4
更 改 记 录
次号
1.
2.
3.
12
页内容修改
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22
VER.A4
SHEET OF
PART Number:
1 1
GM130
英文有唛新说明书示意图
日期 更 改 内 容
7160130008
QWY 2017-5-13
SHENZHEN JUMAOYUAN SCIENCE AND TECHNOLOGY CO., LTD.
4.
修 改配 件 探头 单位
2021-07-09
7160130008 GM130
英文有唛新说明书
材料:
105G
双铜;
成品尺寸:
190*130MM;
公差:+-
1.0MM;
页数：
24P;
工艺:双面单色印刷,加工:骑马钉
VER-A4