Battery Replacement; Calibration - HUBER INSTRUMENTE HM35 Manual De Instrucciones

3.8

Battery replacement

The battery compartment must not be opened inside the Ex-area!
Notes for instruments with Ex-certification
Only use battery type LR6 according to IEC 60086-1 approved
by the producer, as described in the appendix.
•
Open the battery compartment and insert 3 x 1,5 V Mignon cell AA, IEC LR6.
Always replace all three batteries at the same time!
Ensure correct polarity!
Dispose of used batteries in accordance with environmental
!
regulations
3.9

Calibration

Re-calibration may only be carried out by specialist staff and with the corresponding
pressure standards.
We recommend that you have the HM35 re-calibrated at least once a year, and, in case
of highest demands for precision, several times a year.
Manual re-calibration
• In the Menu, select the Calibration → Manual Calibration function.
Zero point (Offset)
Open the pressure connection or, with the absolute pressure unit, set the given
1.
pressure value to the normal pressure.
Press the Function key (
2.
the zero point will be re-calibrated.
)
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