Operating The Sg2 Ph Meter; Display And Key Controls - Mettler Toledo SevenGo SG2 Bedienungsanleitung

Operation
4.

Operating the SG2 pH meter

4.1

Display and key controls

1 Battery status shows the condition of the batteries – fully charged, half-charged or fully discharged.
(To replace batteries, see Section 3.1)
2 Auto-off override, in default operation, the meter switches itself off after 15 minutes to prolong battery
life. After switching off/on, the auto-off is active again
3 Memory number / Error index (for use of memory see Section 4.5 / Error messages are described in
Section 4.7)
Error index
4 Meter self-diagnosis (see Section 4.6)
Self-diagnosis
indicator
5 Electrode condition (for electrode maintenance see Section 5.2)
Slope: 95-105%
Offset: ±(0-15) mV
Electrode is in
good condition
6 pH/mV reading
7 Temperature during measurement or offset value in calibration process
8 Buffer groups (see Section 4.2)
9 Auto/Manual temperature compensation (see Section 4.4)
10 Endpoint stability/auto endpoint
Endpoint stability
11 Calibration point
8
51710340 Buch.indb 8
1 2 3
6
7 7
8
Number of data sets
stored in memory
Indication to
press key
Slope: 90-94%
Offset: ±(15-35) mV
Electrode needs
cleaning
A Auto endpoint
4 5
9
10
11
Recall memory
Self-diagnosis
passed
Slope: 85-89%
Offset: ±(>35) mV
Electrode is faulty
METTLER TOLEDO SevenGo™ pH
28.2.2006 15:40:16 Uhr