KERN & SOHN HMR - Manual (Page 10)

Sauter GmbH
Ziegelei 1
D-72336 Balingen
E-Mail: [email protected] Tel: +49-[0]7433- 9933-199
Fax: +49-[0]7433-9933-149
Internet: www.sauter.eu
Instruction Manual
HMR
HMR-BA-e-1212 10
If batteries are exhausted, they
should be replaced as follows:
- The instrument has to be
powered off.
- The circular battery cover has
to be removed and the batte-
ries have to be taken off.
- The new batteries have to be
installed and the battery
cover has to be reset.
- The instrument has to be
powered on again to check.
Pay attention to the polarity of the batteries!
The batteries have to be taken out if the instrument
hasn’t been used for a longer period of time.
6.15 Connection of Data Transmission Cable
One connection plug of transmission cable (optional parts)
has to be inserted into the socket on the up left side of the
main body. The other plug has to be inserted into the USB
socket in the back of the computer.
7. Fault Analysis & Fault Clearance
8. Servicing & Maintenance
8.1 Impact Device Servicing

After 1000 to 2000 times of usage, the impact
body and the guide tube have to be cleaned with
the provided nylon brush. When cleaning the
guide tube, the support ring has to be
unscrewed first. Then the impact body has to be
taken out. The nylon brush has to be spiralled in
counter-clock direction into the bottom of the
guide tube. It has to be taken out and repeated
for 5 times. At last, the impact body and the
support ring have to be installed again.

The impact body has to be released after use.
 Any lubricant is absolutely prohibited inside the
impact device.
8.2 Normal Maintenance Program
* If the standard Rockwell hardness block is used to test
and if all the error is bigger than 2 HRC, the ball top of the
impact device or the impact object may have to be
changed. The invalidation may be caused by abrasion.
* If any other abnormal phenomena appear to the
hardness tester, nothing may be dismantled or any fixed
parts may not be adjusted by the user himself.
The warranty card has to be filled in and sent to SAUTER
GmbH. The warranty service will be performed within a few
working days.
9. Calibration
The HMR hardness tester has to be calibrated every year.
10. Transport and Storage Conditions
* The instrument has to be kept away from vibration,
strong magnetic field, corrosive medium, dampness and
dust. Safekeeping in ordinary temperature.
DESIGNED IN REGARD TO THESE STANDARDS:
 ASTM A956

DIN 50156
11. Declaration of Conformity
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M T L H D
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