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Fluke 1623 Инструкция по эксплуатации онлайн [26/30] 4461
![Fluke 1623 Инструкция по эксплуатации онлайн [26/30] 4461](/views2/1004978/page26/bg1a.png)
Fluke 1623
Users Manual
18
Automatic range selection.
Measurement is not performed if the current through the current clamp is too
low.
R
A
4-pole ground resistance measurement (IEC 1557-5)
Switch
position
Resolution measuring range Intrinsic error Operating error
Ra 4-pole 0,001 … 10 Ω 0,001 Ω ...
19,99 kΩ
±(2% rdg + 3 d) ±(5% rdg +
3 d)
Measuring principle: Current/voltage measurement
Measuring voltage: Um = 48 Vac.
Short-circuit current: > 50 mA
Measuring frequency: 128 Hz (125 Hz on request)
Probe resistance (Rs+ Res): max. 100 kΩ
Auxiliary earth electrode resistance
(Rh):
max. 100 kΩ
Additional error from Rh and Rs: Rh[kΩ] x Rs[kΩ/Ra[Ω] x 0,2 %
Monitoring of Rs, and Rh with error indicator.
Automatic range selection.
R
A
3-pole selective ground resistance measurement with current clamp
(R
A
A )
Switch
position
Resolution Measuring range Intrinsic error Operating error
Ra 3-pole
A
0.001 ...
10 Ω
0.001 Ω ..
19.99 kΩ
±(7% rdg + 3 d) ± (10% rdg + 5 d)
Measuring principle: Current/voltage measurement (with external current
clamp)
Measuring voltage: Um = 48 VAC.
Short-circuit current: > 50 mA
Measuring frequency: 128 Hz (125 Hz on request)
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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