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Fluke 1623 Инструкция по эксплуатации онлайн [28/30] 4461
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Fluke 1623
Users Manual
20
Stakeless ground loop measurement (
D
)
Switch
position
Resolution Measuring range Intrinsic error Operating error
Ra 4-pole
D
0.001 ...
0.1 Ω
0.001 Ω ..
199.9 Ω
±(7% rdg + 3 d) ± (10% rdg + 5 d)
Measuring principle: Stakeless measurement of resistance in closed loops
using two current transformers
Measuring voltage: Um = 48 VAC (primary)
Measuring frequency: 128 Hz (125 Hz on request)
Noise current (Iext): max. Iext = 10 A (AC) (Ra < 20 Ω)
max. Iext = 2 A (AC) (Ra > 20 Ω)
Automatic range selection
The information regarding stakeless ground loop measurements is only valid
when used in conjunction with the recommended current clamps at the
minimum distance specified.
Содержание
- Earth ground tester users manual 1
- Fluke corporation p o box 9090 everett wa 98206 9090 u s a 2
- Fluke europe b v p o box 1186 5602 bd eindhoven the netherlands 2
- Limited warranty and limitation of liability 2
- Table of contents 3
- Title page 3
- List of tables 5
- List of figures 7
- Earth ground tester 9
- Introduction 9
- Packing 9
- Safety regulations 9
- Unpacking 9
- Features 10
- Earth ground tester safety regulations 11
- Accessories 12
- Carrying case 12
- Earth ground tester accessories 13
- Models and accessories 13
- Table 2 lists the models and accessories 13
- Inserting batteries 14
- Operating instructions 15
- Pole 3 pole measurements 15
- Ra 2 pole 3 pole measurements 15
- Figure 3 16
- Figure 4 16
- Fluke 1623 16
- Pole measurement 16
- Users manual 16
- Pole measurements 17
- Ra 4 pole measurements 17
- Pole selective earth resistance measurement with current clamp 18
- Ra 3 pole selective earth resistance measurement with current clamp 18
- Pole selective earth resistance measurement with current clamp 19
- Ra 4 pole selective earth resistance measurement with current clamp 19
- Stakeless ground loop measurement 20
- Fluke 1623 22
- Follow the steps in table 4 and refer to figure 9 for steps 1 5 22
- Troubleshooting 22
- Earth ground tester troubleshooting 23
- Specifications 24
- Service 29
- Storage 29
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