horiba D-72, Instruction Manual

Page: 15 / 88

Contents
XIII
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ERR No.0002 Empty battery level .........................................54
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ERR No.0003 Electrode stability error..................................54
● ERR No.0004 Asymmetric potential error ............................54
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ERR No.0005 Electrode sensitivity error..............................55
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ERR No.0006 Maximum calibration points exceeded .........55
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ERR No.0007 Cannot identify standard solution.................55
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ERR No.0008 Calibration interval error ................................56
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ERR No.0009 Printer error .....................................................56
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ERR No.0010 Memory full ......................................................56
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Troubleshooting ................................................................57
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The indicated value fluctuates.................................................57
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The response is slow................................................................58
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The indicated value does not change/No response ..............58
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The measured value blinks ......................................................59
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The temperature display blinks or is fixed at 25°C ................59
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Repeatability of the measured value is poor..........................60
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Nothing appears when the power is turned ON .....................60
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Swelling of operation key sheet ..............................................60
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Part of the display is missing ..................................................61
Appendix............................................................................. 63
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Main specifications ...........................................................63
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Instrument default settings ..............................................64
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Technical note ...................................................................65
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pH measurement (glass electrode) .........................................65
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pH standard solutions at various temperatures ....................66
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ORP measurement ....................................................................67
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For more information ........................................................68
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Options ...............................................................................69