Rohde & Schwarz Hameg HM8112-3, Руководство пользователя

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c o n t e n t g e n e r a l r e m a r k s r e g a r d i n g t h e c e m a r k i n g
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general remarks regarding the ce marking 34
6½-Digit Precision-multimeter Hm8112-3 36
Specifications 37
1 important hints 38
1.1 Symbols 38
1.2 Unpacking 38
1.3 Positioning 38
1.4 Transport 38
1.5 Storage 38
1.6 Safety instructions 38
1.7 CAT II 38
1.8 Proper operating conditions 39
1.9 Warranty and Repair 39
1.10 Maintenance 39
1.11 Mains voltage 39
1.12 Line fuse 39
1.13 Power switch 39
2 control elements 40
3 measurement Principles and Basics 41
3.1 Display of measuring ranges 41
3.2 Overranging 41
3.3 Resolution of a measuring range 41
3.4 Measurement accuracy 41
3.5 Single-Slope A/D conversion 43
3.6 Dual-Slope A/D conversion 43
3.8 Accuracy specifications 44
4 Dc measurements 45
4.1 Input resistance for dc measurements 45
4.2 Series mode rejection 45
4.3 Common mode rejection 45
4.4 Thermal voltages 45
4.5 Interference by magnetic fields 46
5 resistance measurement 46
5.1 Two-wire resistance measurement 46
5.2 Four-wire resistance measurement 46
5.3 Power dissipation of the resistors 46
6 Ac measurement 47
6.1 Basics of AC measurements 47
6.2 Arithmetic average value 47
6.3 Rectified value 47
6.4 Root-mean-square value 47
6.5 Form factor 47
7 temperature measurement 48
7.1 Temperature sensors 48
6.6 Crest factor 48
6.7 DC and AC currents 48
7.2 Platinum temperature sensor PT100 49
7.3 Temperature measurement with the PT100 / PT1000 49
7.4 NiCr-Ni thermocouple (K-Type) 49
7.5 Reference junction 50
8 concept of the Hm8112-3 51
8.1 Reference 51
8.2 Integrated AD converters 51
8.3 Moving average 51
8.4 Measurement of alternating values 51
9 introduction to the operation of the Hm8112-3 51
10 control elements and displays 52
10.1 General functions 52
10.2 Buttons for the various measurement functions 52
10.3 Continuity test 54
10.4 Max / Min values 54
10.5 Range selection 54
10.6 Menu structure / Menu prompting 55
10.7 Menu structure and function 55
10.8 Measurement inputs 58
10.9 Replacement of the measuring circuit fuse 59
10.10 Rear Panel 59
11 scanner card Ho112 59
12 remote operation 60
13 Data communication 60
13.1 Layout of commands 60
13.2 Command reference 60
14 listing of commands 63