| Measurements |
Fluke 1630 |
Fluke 1621 |
Fluke 1623 |
Fluke 1625 |
| 3-Pole Earth Measurement |
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| 4-Pole Earth Measurement |
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| Soil Resistivity |
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| 2-Pole Resistance Measurement AC |
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| 2-Pole Resistance Measurement DC |
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| 4-Pole Resistance Measurement DC |
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| General |
Fluke 1630 |
Fluke 1621 |
Fluke 1623 |
Fluke 1625 |
| Continuity with Buzzer |
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| Selective Earth Measurement (1 Clamp) |
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| Stakeless Earth Measurement (2 Clamps) |
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| Current Measurement |
• |
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| Measurement Memory |
• |
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| Programmable Limits, Settings |
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• |
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| Measuring voltage fixed < 48V |
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• |
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| Measuring Frequency Fixed 128 Hz |
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| Earth Impedance of High Voltage Pylons (55 Hz) |
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| Measuring voltage 20/48 V |
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| Automatic Frequency Control (AFC) (94 - 128 Hz) |
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| Specifications |
Fluke 1630 |
Fluke 1621 |
Fluke 1623 |
Fluke 1625 |
| Resistance Ranges |
0 - 1500 Ω |
0 - 2000 Ω |
0 - 20 kΩ |
0 - 300 kΩ |
| Operating error |
± 5% |
± 8% |
± 5% |
± 5% |
| Short Circuit Current |
|
> 25V |
48 V |
20 / 48 V |
| LCD / Backlight |
• / - |
• / - |
• / • |
• / • |
| Display Resolution |
9999 counts |
3½ digits |
3½ digits |
4 digits |
