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| |
 |
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RA 3-pole ground resistance
measurement (IEC 1557-5)
|
|
Measuring
Voltage
|
Fluke 1623 |
Vm = 48Vac |
|
Fluke 1625 |
Vm = 20/48Vac |
|
Short Circuit
Current
|
Fluke 1623 |
>50mA |
|
Fluke 1625 |
250mA ac |
|
Measure
Frequency
|
Fluke 1623 |
128Hz |
|
Fluke 1625 |
94, 105, 111,
128Hz |
|
Resolution
|
Fluke 1623 |
0.001Ω
to 10Ω |
|
Fluke 1625 |
0.001Ω
to 100Ω |
|
Measuring
Range
|
Fluke 1623 |
0.001Ω
to 19.99kΩ |
|
Fluke 1625 |
0.001Ω
to 299.9kΩ |
|
Intrinsic
Error
|
Fluke 1623 |
±(2% of reading + 3 digits) |
|
Fluke 1625 |
±(2% of reading + 2 digits) |
|
Operating
Error
|
Fluke 1623 |
±(5% of reading + 3 digits) |
|
Fluke 1625 |
±(5% of reading + 5 digits) |
|
| |
| |
RA 4-pole ground resistance
measurement (IEC 1557-5)
|
|
Measuring
Voltage
|
Fluke 1623 |
Vm = 48Vac |
|
Fluke 1625 |
Vm = 20/48Vac |
|
Short Circuit
Current
|
Fluke 1623 |
>50mA |
|
Fluke 1625 |
250mA ac |
|
Measure
Frequency
|
Fluke 1623 |
128Hz |
|
Fluke 1625 |
94, 105, 111,
128Hz |
|
Resolution
|
Fluke 1623 |
0.001Ω
to 10Ω |
|
Fluke 1625 |
0.001Ω
to 100Ω |
|
Measuring
Range
|
Fluke 1623 |
0.001Ω
to 19.99kΩ |
|
Fluke 1625 |
0.001Ω
to 299.9kΩ |
|
Intrinsic
Error
|
Fluke 1623 |
±(2% of reading + 3 digits) |
|
Fluke 1625 |
±(2% of reading + 2 digits) |
|
Operating
Error
|
Fluke 1623 |
±(5% of reading + 3 digits) |
|
Fluke 1625 |
±(5% of reading + 5 digits) |
|
| |
| |
RA 3-pole ground resistance
measurement with current clamp
|
|
Measuring
Voltage
|
Fluke 1623 |
Vm = 48Vac |
|
Fluke 1625 |
Vm = 20/48Vac |
|
Short Circuit
Current
|
Fluke 1623 |
>50mA |
|
Fluke 1625 |
250mA ac |
|
Measure
Frequency
|
Fluke 1623 |
128Hz |
|
Fluke 1625 |
94, 105, 111,
128Hz |
|
Resolution
|
Fluke 1623 |
0.001Ω
to 10Ω |
|
Fluke 1625 |
0.001Ω
to 10Ω |
|
Measuring
Range
|
Fluke 1623 |
0.001Ω
to 19.99kΩ |
|
Fluke 1625 |
0.001Ω
to 29.99kΩ |
|
Intrinsic
Error
|
Fluke 1623 |
±(7% of reading + 3 digits) |
|
Fluke 1625 |
±(7% of reading + 2 digits) |
|
Operating
Error
|
Fluke 1623 |
±(10% of reading + 5 digits) |
|
Fluke 1625 |
±(10% of reading + 5 digits) |
|
| |
| |
RA 4-pole ground resistance
measurement with current clamp
|
|
Measuring
Voltage
|
Fluke 1623 |
Vm = 48Vac |
|
Fluke 1625 |
Vm = 20/48Vac |
|
Short Circuit
Current
|
Fluke 1623 |
>50mA |
|
Fluke 1625 |
250mA ac |
|
Measure
Frequency
|
Fluke 1623 |
128Hz |
|
Fluke 1625 |
94, 105, 111,
128Hz |
|
Resolution
|
Fluke 1623 |
0.001Ω
to 10Ω |
|
Fluke 1625 |
0.001Ω
to 10Ω |
|
Measuring
Range
|
Fluke 1623 |
0.001Ω
to 19.99kΩ |
|
Fluke 1625 |
0.001Ω
to 29.99kΩ |
|
Intrinsic
Error
|
Fluke 1623 |
±(7% of reading + 3 digits) |
|
Fluke 1625 |
±(7% of reading + 2 digits) |
|
Operating
Error
|
Fluke 1623 |
±(10% of reading + 5 digits) |
|
Fluke 1625 |
±(10% of reading + 5 digits) |
|
| |
| |
| Stakeless ground loop measurement |
|
Measuring
Voltage
|
Fluke 1623 |
Vm = 48Vac |
|
Fluke 1625 |
Vm = 20/48Vac |
|
Measuring
Frequency
|
Fluke 1623 |
128Hz |
|
Fluke 1625 |
94, 105, 111,
128Hz |
|
Noise Current
(lext)
|
Fluke 1623
|
lext = 10A (ac)
(RA <20Ω) |
|
lext = 2A (ac)
(RA <20Ω) |
|
Fluke 1625 |
lext = 3A
|
|
Resolution
|
Fluke 1623 |
0.001Ω
to 0.1Ω |
|
Fluke 1625 |
0.001Ω
to 10Ω |
|
Measuring
Range
|
Fluke 1623 |
0.001Ω
to 19.99kΩ |
|
Fluke 1625 |
0.001Ω
to 29.99kΩ |
|
Intrinsic
Error
|
Fluke 1623 |
±(7% of reading + 3 digits) |
|
Fluke 1625 |
±(7% of reading + 2 digits) |
|
Operating
Error
|
Fluke 1623 |
±(10% of reading + 5 digits) |
|
Fluke 1625 |
±(10% of reading + 5 digits) |
|
| |
| |
|
|
Working
Temperature |
-10°C
to +50°C |
|
Operating
Temperature |
0°C
to +35°C |
|
Nominal
Temperature |
+18°C
to +28°C |
|
Storage
Temperature
|
Fluke 1623 |
-20°C
to +60°C |
|
Fluke 1625 |
-30°C
to +60°C |
|
Climatic
Class |
C1 (IEC 654-1),
-5°C to +45°C,
5% to 95% RH |
|
Protection
Type |
IP56 for case,
IP40 for battery door according to EN 60529 |
|
| |
| |
|
|
Safety Rating |
CAT II, 300V |
|
| |
| |
|
|
Display
(Model 1623) |
1999 digit LCD -
display with special symbols, digit height 25mm, fluorescent
backlight. |
|
Display
(Model 1625) |
2999 Digit LCD -
7 segment liquid crystal display with special symbols and
backlight |
|
Size |
133mm x 187mm x
250mm |
|
Weight |
1.1kg (including
batteries |
|
Warranty |
Two years |
|
Battery Life
(Model 1623) |
Typical >3000
measurements |
|
Battery Life
(Model 1625)
|
Typical 3000
measurements (RE + RH ≤ 1kΩ)
Typical 6000 measurements (RE + RH ≤
10kΩ) |
|
