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Operating the pH meter
4.
Operating the FiveEasy™ and FiveGo™ pH meter
4.1
Display and key controls
1 Electrode condition (For electrode maintenance see section 5.2)
Slope: 95 -05 %
and offset: ± (0-5) mV
Electrode is in
good condition
2 Calibration icon - calibration in progress
3 Measurement icon - measurement or calibration is running
4 Setup icon - instrument is in the setup mode
5 Battery status icon (FG2 only) shows the condition of the batteries - fully charged, half-charged or
fully discharged (To replace batteries, see section 3.2)
6 pH/mV reading or slope in calibration process
7 Auto / Manual temperature compensation (see section 4.4)
8 Endpoint stability / Auto endpoint
9 Temperature during measurement or offset in calibration process
10 Calibration point
Error index
6
Five_pH.indb 6
Slope: 90 - 94 %
or offset: ± (5 - 35) mV or offset: ± (>35) mV
Electrode needs
cleaning
/ Buffer group number
/ Memory number
METTLER TOLEDO FiveEasy™ / FiveGo™ pH meter
Slope: 85 - 89 %
Electrode is defective
(FG2 only) /
12.03.2007 15:45:23
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