
DRUCK
TEMPERATUR
&
Leitenberger GmbH •
Bahnhofstr. 33 • D-72138 Kirchentellinsfurt •
Tel. +49 (0) 7121-90920-0 • Fax +49 (0) 7121-90920-99 •
• www.druck-temperatur.de
GERMANY
DT
www.
-Cal.net
LR
MANUAL
LPC 300 Druckkalibrator
300 Pressure Calibrator
LPC
112
8.3 Recalibraon
We recommend that the instrument is regularly recalibrated by the manufacturer, with me
intervals of approx. 12 months. Every factory recalibraon, as well as oponal
/
kkS
recalibraon includes, addionally, an extensive free-of-charge check of all system parameters
with respect to their compliance with the specificaon. The basic se ngs will be corrected if
necessary. Also, the firmware is upgraded to latest version and the calibraon coefficients of
each realted
reference pressure sensor are updated in the instrument‘s memory.
DKD DA
LPC-S
9. Faults
Faults
Causes
Measures
The message „low
“ is
shown in the display.
BAT
The rechargeable ba ery‘s
capacity is less than 10%.
Charge the instrument using
the appropriate charger.
The backlight and the internal
24 V test item power supply
are suddenly no longer
available.
The screen is dark because the
powersave funcon is turned
on. This is acvated when no
bu ons have been touched for
a certain me.
Press any key to interrupt the
powersave funcon, and if
necessary, increase the idle
me for the powersave
feature (see chapter 7.4.5
„
addional menu item:
SETUP
LPC-Configuraon“).
The screen will go dark aer
the instrument is switched on
and during operaon.
Rechargeable ba ery is empty. Recharge the internal
rechargeable ba ery using the
ba ery charger.
The screen is dark and
charging the ba ery has no
effect.
The ba ery charger is not
properly connected.
Check that the ba ery charger
is connected properly, and
also check (using
appropriately qualified
personnel) that the voltage
supply is correct.
Measured values are
fluctuang heavily.
Malfuncon during operaon.
Switch off the instrument and
switch on again aer 5 sec.
There is an intermi ent
audible alarm and in the lower
Info screen, there is a message
„Overflow“.
The current pressure value is
slightly outside the allowable
pressure range (2...10%).
Adjust the pressure
appropriately.