JUMO 202710, Operating Manual

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Contents
1 Typographical conventions ...................................................... 7
1.1 Warning symbols .........................................................................................7
1.2 Note symbols ...............................................................................................7
2 General information .................................................................. 8
2.1 Preface .........................................................................................................8
2.2 Intended use ................................................................................................8
2.3 Safety information ........................................................................................8
2.4 Notes on operation and maintenance ........................................................10
2.4.1 Battery operation .......................................................................................10
2.4.2 Power supply unit operation ......................................................................10
3 Identifying the device version ................................................ 11
3.1 Nameplate ..................................................................................................11
3.2 Order details ...............................................................................................11
3.3 Accessories ................................................................................................11
4 Operation ................................................................................. 12
4.1 Display .......................................................................................................12
4.2 Control elements ........................................................................................13
4.3 Connections ...............................................................................................14
4.4 Stand-up hinge ..........................................................................................14
5 Measuring ................................................................................ 15
5.1 Preparing the device for the measurement ................................................15
5.2 Measuring the pH value .............................................................................15
5.3 Measuring the redox potential ...................................................................17
5.4 Detecting the rH value ...............................................................................18
5.4.1 Determining the rH value by manually inputting the pH value ...................18
5.4.2 Determining the rH value by automatically transferring the pH value ........19
5.5 Saving a measured value with the hold function (HLD) .............................20
6 Calibration of the pH combination electrode ....................... 21
6.1 General information regarding calibration ..................................................21
6.2 Preparing for calibration .............................................................................21
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