Hardness Tester DHT-100
PLUS
11
6.3.5 Calibration
Measuring error can be usually caused by impact device abrasion or
changing another impact device. So it is necessary to correct the error and get
more accurate value close to work piece. Hardness tester DHT-100Plus
supplies users with this function to correct the error mentioned above.
-Press the
key and the
key to enter
MEASURE—CALIBRATION,
-Press the
key to enter this item,
-Press the
key or
key for setting, press the
or
to
move the cursor,
-Press the
key to confirm.
Notice: In actual measurement, adjust the range of within ±30HLD is
recommended. If the error is more than that, it is suggested to change the
impact body or repair the impact device.
6.3.6 Standards
There are 5 kinds of National Hardness Standards inside this main unit.
According to different requirements, users could set by themselves.
-Press the
key and the
key to enter
MEASURE—STANDARDS,
-Press the
key to enter this item,
-Press the
key or
key for setting,
-Press the
key to confirm.
Keys
and
for setting
，
key
for
confirmation
Keys
and
for setting
，
key
for
confirmation
