Metrohm 713 Instructions For Use Manual

8.713.1023 Enclosure for 8.713.1003 Instructions for Use
With series 13 and later, the 713 pH Meter is equipped with the new 5.713.0021 program.
The following pages list the most important modifications and extensions in comparison with
the old program version 5.713.0011 described in the 8.713.1003 Instructions for Use.

Modifications / Extensions

The format for the display and the entry of the date has been changed. The year can now be
entered with four digits.
Display:
∗∗∗∗∗
713 pH Meter
1998-05-04
>calibration parameters
param
cal.interval
pH Meter 713
∗∗∗∗∗
10:37:00
Entry of a calibration interval
OFF h
This inquiry appears only in the "pH" mode.
This new parameter allows the entry of a time
interval. When this time interval has expired the
warning "
LCD-display.
Input range:
The calibration interval is stored together with the
other calibration data for the electrode and the
electrode-id. The warning can be acknowledged by
pressing <quit>. When the electrode is re-
calibrated, the timer is set to zero. If no new calibra-
tion is performed, the instrument checks every
10 minutes whether the calibration interval has
expired, and again a warning appears in the display.
The verification of the calibration interval is always
carried out when the instrument is switched on or
when the mode is changed.
When further measurements are performed, although
the calibration interval has expired, together with
every measuring point report the warning
"
calibration interval expired
METROHM AG METROHM AG CH-9101 Herisau (Switzerland) CH-9101 Herisau (Switzerland)
cal.interval expired
1...999 h, OFF
– 1 –
" appears in the
" is printed.