User standard tables
1. Press SET.
2. Select [USER TABLES] and press OK.
3. Select [pH buffers] or [S/cm standards] and press OK.
4. Follow the instructions on the screen to enter the different values. The value
for 25°C is obligatory!
Channels
1. Press SET.
2. Select [CHANNELS] and press OK.
3. Select the desired ranges [INPUT] and press OK.
4. Select the desired inputs [ATC] (automatic temperature compensation) and
press OK.
5. Select [CONTROL] (yes or no) and press OK.
6. Select the control type (on/off or proportional) and press OK.
7. Pre-set the desired low level (Lo) and press OK.
8. Select the corresponding relay (REL) and press OK.
9. Pre-set the desired high level (Hi) and press OK.
10. Select the corresponding relay (REL) and press OK.
11. Pre-set the desired hysteresis (Hy) between the on and off state of the relays
and press OK.
12. Pre-set the desired delay (dt) after which the relays should be activated,
when one of the pre-set levels is exceeded and press OK.
Proportional control only
1. Pre-set the desired the proportional control area (dP), in which proportional
regulation should start and press OK.
2. Pre-set the desired pulse-time (Pt) of the relays and press OK. The relays will
pulse at a rate proportional to the regulation difference.
Optional alarm procedure
1. Select [ALARM] and press OK.
2. The display shows the alarm time after which the process control should be
interrupted in case of a failure. Pre-set the desired alarm-time and press OK.
3. Select the corresponding relay (REL) to be closed in case of an alarm and
press OK.
Optional maintenance procedure
1. Select [MAINTENANCE] and press OK.
2. The display shows the interval for a regular maintenance. Pre-set the desired
interval and press OK .
3. Pre-set the desired waiting period before the beginning of the maintenance
and press OK.
4. Select the corresponding relay (REL) and press OK.
5. Pre-set the maintenance period and press OK.
6. Pre-set the desired waiting period after the maintenance has finished and
press OK.
7. Pre-set the desired date and time when the first maintenance should start
and press OK.
•
The process control will automatically be interrupted during each maintenance
period!
Calibration reminder
Select the desired range by pressing é ê and then press CAL.
1. 1.
2. 2.
Select [GLP] and press OK.
3. 3.
Select [INTERVAL] and press OK.
4. 4.
Select the desired time interval between each automatic warning for
a new calibration of the electrodes and press OK.
3