Metrohm 914 pH / Conductometer Bedienungsanleitung PDF herunterladen (Seite 91)

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8 Technical specifications

pH Meter/Conductometer

￭￭￭￭￭￭￭￭

USB connector

Nominal input

voltage

4.75 - 5.25 V DC

Power con-

sumption

850 mA max.

Power con-

sumption at PC-

USB

500 mA

8.6 Charging time

Charging time

with power supply

unit

9 hours with original power supply unit (no. 6.2166.100) and original

USB cable

Charging time on

USB interface

15 hours

Charging time

with USB Y cable

15 hours

8.7 Runtime with battery

NOTE

Runtimes

The runtimes may vary according to the configuration used and the

usage habits.

The following values are based on operation under reference conditions

(see Chapter 8.12, page 83).

Uptime

8 hours

1 2 ... 86 87 88 89 90 91 92 93 94 95 96 97 98 99

8.912.8001EN / 2014-06-30 1
914 pH/Conductometer 3
Table of contents 5
4 Operation 21 6
6 Troubleshooting 61 7
7 Appendix 66 7
9 Warranty (guarantee) 84 7
10 Accessories 86 8
Glossary 88 8
Index 89 8
Table of figures 9
1 Introduction 11
1.1.2 Power supply 12
1.2 Intended use 13
1.3 About the documentation 13
1.4 Safety instructions 14
1.4.2 Electrical safety 15
1.4.4 Recycling and disposal 16
2 Overview of the instrument 17
2.1 Instrument connectors 18
2.1.4 914 pH/Conductometer 19
2.2 Application environment 20
2.2.2 Mobile application 21
3 Installation 22
3.2.1 Charging the battery 23
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￭￭￭￭￭￭￭￭ 24
3.3 Connecting sensors 25
3.4 Connecting a printer 26
3.5 Initial configuration 26
3.6 Installing updates 29
4 Operation 31
4.3 Status displays 34
4.4 Control keys 35
4.5 Basic operation 36
4 Operation 37
4.5 Basic operation 38
4.5.4 Menu dialog 39
4.5.5 Editing dialog 40
4.5.6 Selection dialog 42
4.6 Menu structures 43
4.6.1 912 Conductometer 44
4.6.2 913 pH Meter 45
4.6.4 914 pH/Conductometer 47
4.7 Menu dialogs 48
4.7.3 Measured values 50
4.7.4 Sensors 52
4.7 Menu dialogs 54
4.7.5 Report 57
4.7.6 Configuration 58
4.7.7 User 59
4.8 pH measurement 60
4.8.2 Measurement 62
4.9 Conductivity measurement 63
4.9.2 Measurement 64
4.10.1 Printing out 66
5 Operation and maintenance 69
6 Troubleshooting 71
6.2 Problems 72
6 Troubleshooting 73
6.3.1 Instrument reset 74
6.4 Messages 75
7 Appendix 76
7.1.1 Metrohm 77
7.1.4 Fisher 80
7.1.5 Mettler Toledo 81
7.1.7 Merck CertiPUR 25 83
7.1.8 Beckmann 84
7.1.9 Radiometer 85
7.1.10 Baker 86
7.1.11 Hamilton DURACAL 87
7.1.12 Fluka 88
8 Technical specifications 89
8.2 Measured value memory 90
8.3 TFT display 90
8.4 Interfaces 90
8.5 Power supply 90
8.6 Charging time 91
8.7 Runtime with battery 91
8.8 Housing specification 92
8.9 Safety specification 92
8.11 Ambient temperature 93
8.12 Reference conditions 93
8.13 Dimensions/material 93
9 Warranty (guarantee) 94
10 Accessories 96
Glossary 98

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