Product specifications: Fluke 1625-2 grounding resistance tester
| General technical index | ||||
| Memory | 通过 USB 端口可访问内部Memory存储的多达 1500 条记录 | |||
| Measuring function | Interference voltage and frequency, tripole and quadrupole ground resistors with/without clip current transformers, dipole AC resistors, dipole and quadrupole DC resistors | |||
| The disy screen | 4 数位（2999 数位） - 7 段液晶The disy screen（可视性提高） | |||
| Operation | Central rotary switch and function keys | |||
| Temperature range | ||||
| Operating temperature | -10°c - 50°c(14°f - 122°f | |||
| Storage temperature | -30°c - 60°c(-22°f - 140°f) | |||
| Temperature coefficient | ±0.1% /°C <18°C >28°C—— | |||
| Protection type | According to EN60529, the shell protection class is IP56; The protection grade of the battery cover is IP40 | |||
| Maximum voltage | Warning - Jack" Jaws "; To the socket E,ES,S or H | |||
| Urms = 0 V | ||||
| 插口 E、ES、S 或 H 相互之间任意组合,Urms = 250 V (misuse) | ||||
| Security | Double and/or enhanced insulation protection. Maximum ground to 50 V (according to IEC61010-1). Pollution Level 2 | |||
| Quality standard | Developed, designed and manufactured in accordance with DIN ISO 9001 | |||
| Outfield influence | In accordance with DIN 43780 (8/76) | |||
| Auxiliary power supply | 6 x 1.5V alkaline battery (IEC LR6 or AA type) | |||
| Battery life range | 使用 IEC LR6/ AA 型：通常为3,000 次测量 (RE +RH ≤ 1 kΩ) | |||
| 使用 IEC LR6/ AA 型：通常为6,000 次测量 (RE + RH > 10 kΩ) | ||||
| Dimensions (width x height x depth) | 250 x 133 x 187 mm (9.75 x 5.25 x 7.35 in) | |||
| The weight of | ≤ 1.1 kg (2.43 lb) (without accessories); 7.6kg (16.8lb) (accessories and battery included in carrying case) | |||
| Shell material | Polyester | |||
| 干扰电压直流 + 交流的测量 (UST ) | ||||
| Measurement error limits: Methods | Full wave rectifier | |||
| Measuring range | 1 v - 50v | |||
| Disy range | 0.0 v - 50v | |||
| Resolution | 0.1 V | |||
| Frequency range | Ac/DC sine wave 45 Hz to 400 Hz | |||
| Precision | ± (5percent of the reading in 5 digits) | |||
| Measurement sequence | About 4 measurements per second | |||
| Internal resistance | * * 1.5 mΩ—— | |||
| Maximum overload | Urms = 250 V | |||
| Measurement of interference frequency (F) | ||||
| Measurement error limits: Methods | Measure the oscillation period of the interference voltage | |||
| Measuring range | 6.0 Hz- 400 Hz | |||
| Disy range | 16.0 Hz、299.9 Hz、999 Hz—— | |||
| Resolution | 0.1 Hz- 1 Hz | |||
| The range of | 1 v - 50v | |||
| Precision | ± (1percent of the reading in 2 digits) | |||
| Ground resistance (RE) | ||||
| Measuring method | Measuring current and voltage with a probe according to IEC61557-5 | |||
| Open-circuit voltage | 20/48 V, ac | |||
| Short circuit current | 250 mA (AC) | |||
| Measure the frequency | Manually or automatically select 94,105,111 and 128 Hz(AFC), which in the function R¹ is 55 Hz | |||
| Noise suppression | 120 dB(16 2/3、50、60、400 Hz) | |||
| 对地Maximum overload | Urms = 250 V | |||
| Electrical measurement specifications | ||||
| The amount of inherent error or influence | Reference conditions or specified work scope | Symbol code | In accordance with the IEC1557 standard relevant part of the requirements or tests | Test type |
| Inherent error | Reference conditions | A | Section 6.1 of Part 5 | R |
| Position | 参考Position ±90 ° | E1 | Part 1, Section 4.2 | R |
| Supply voltage | In accordance with the manufacturer's limits | E2 | Part 1 Sections 4.2 and 4.3 | R |
| Temperature | 0°c ~ 35°c | E3 | Part 1, Section 4.2 | T |
| Series interference voltage | See sections 4.2 and 4.3 | E4 | Part 5 Sections 4.2 and 4.3 | T |
| Resistance of the probe and auxiliary grounding electrode | 0 至 100 x RA But ≤ 50 kΩ | E5 | Part 5, Section 4.3 | T |
| System frequency | 99percent to 101percent of the nominal frequency | E7 | Part 5, Section 4.3 | T |
| System voltage | Nominal voltage 85percent to 110percent | E8 | Part 5, Section 4.3 | T |
| Operation误差 | B = ±(|A| + 1,15 √E²1 E²2 E²3 E²4 E²5 E²6 ) | Part 5, Section 4.3 | R | |
| B[percent] = ± B/ reference value x 100percent
A = Inherent error En = Deviation R = Routine test T = type test |
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| Measuring range | 0.020 Ω清洁度300 kΩ—— | |||
| Disy range | 0.001 Ω清洁度2.999 Ω—— | |||
| 3.00 Ω |
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| 30.0 Ω清洁度299.9 Ω—— | ||||
| 0.300 kΩ清洁度2.999 kΩ—— | ||||
| 3.00 kΩ |
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| 30.0 kΩ清洁度299.9 kΩ—— | ||||
| Resolution | 0.001 Ω | |||
| 0.01 Ω | ||||
| 0.1 Ω | ||||
| 1 Ω | ||||
| 10 Ω | ||||
| 100 Ω | ||||
| Precision | ± (2percent of the reading in 2 digits) | |||
| Operation误差 | ± (5percent of the reading in 5 digits) | |||
| Measure the time | 固定频率时通常为 8 秒使用自动频率控制, 30 秒,完成有Measure the frequency循环 | |||
| 由于Resistance of the probe and auxiliary grounding electrode导致的附加误差 | RH (RS + 2000 Ω)/RE x 1.25 x 10-6 percent five digits | |||
| RH 和 RS Measurement error | 固定频率时通常为RE + RS + RH 10percent of | |||
| Maximum probe resistance | ≤ 1 MΩ | |||
| Maximum auxiliary grounding electrode resistance | ≤ 1 MΩ | |||
If the error is within the limits of IEC61557-5, it will be checked automatically
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| 测量Resolution的自动转换取决于辅助接地电极电阻 RH | ||||
| Umeas RH-- at 48 V | <300 Ω | |||
| <6 Ω | ||||
| <60 Ω | ||||
| <600 Ω | ||||
| Umeas Is equal to 20 V RH | <250 Ω | |||
| <2.5 kΩ | ||||
| <25 kΩ | ||||
| <250 kΩ | ||||
| Resolution | 1 mΩ | |||
| 10 mΩ | ||||
| 100 mΩ | ||||
| 1 Ω | ||||
| 选择性接地电阻测量 (RE The mouth of the pliers) | ||||
| Measuring method | The current and voltage are measured with a probe according to EN61557-5 and the current in a single branch is measured with an additional transformer | |||
| Open-circuit voltage | 20/48 V, ac | |||
| Short circuit current | 250 mA (AC) | |||
| Measure the frequency | Manual or automatic options 94,105,111 and 128 Hz (AFC),55 Hz (R¹) | |||
| Noise suppression | 120 dB(162/3、50、60、400 Hz) | |||
| 对地Maximum overload | 对地Urms = 250 V (will not start measurement) | |||
| Measuring range | 0.020 Ω清洁度300 kΩ—— | |||
| Disy range | 0.001 Ω清洁度2.999 Ω—— | |||
| 3.00 Ω |
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| 30.0 Ω清洁度299.9 Ω—— | ||||
| 0.300 kΩ清洁度2.999 kΩ—— | ||||
| 3.00 kΩ |
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| Resolution | 0.001 Ω | |||
| 0.01 Ω | ||||
| 0.1 Ω | ||||
| 1 Ω | ||||
| 10 Ω | ||||
| Precision | ± (7percent of the reading in 2 digits) | |||
| Operation误差 | ±（读数的 10percent five digits） | |||
| Additional errors due to typical electrode resistance of the probe and auxiliary grounding | RH (RS + 2000 Ω)/RETOTAL x 1.25 x 10-6 percent five digits | |||
| RH 和 RS Measurement error | 固定频率时通常为RETOTAL + RS + RH 10percent of | |||
| Measure the time | 固定频率时通常为8 秒使用自动频率控制, 30 秒,完成有Measure the frequency循环. | |||
| Minimum current of a single branch to be measured | 0.5 mA | Use the transformer (1000:1) | ||
| 0.1 mA | Use the transformer (200:1) | |||
| Maximum interference current through the transformer | 3 A | Use the transformer (1000:1) | ||
| 1. Use the recommended current pliers/transformer. | ||||
| Resistance measurement (R~) | ||||
| Measuring method | Measure current and voltage | |||
| Measure voltage | 20 V AC voltage, rectangular pulse | |||
| Short circuit current | > 250 mA (AC) | |||
| Measure the frequency | Manual or automatic options 94,105,111 and 128 Hz (AFC) | |||
| Measuring range | 0.020 Ω清洁度300 kΩ—— | |||
| Disy range | 0.001 Ω清洁度2.999 Ω—— | |||
| 3.00 Ω |
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| 30.0 Ω清洁度299.9 Ω—— | ||||
| 300 Ω清洁度2999 Ω—— | ||||
| 3.00 kΩ |
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| 30.0 kΩ清洁度299.9 kΩ—— | ||||
| Resolution | 0.001 Ω | |||
| 0.01 Ω | ||||
| 0.1 Ω | ||||
| 1 Ω | ||||
| 10 Ω | ||||
| 100 Ω | ||||
| Precision | ± (2percent of the reading in 2 digits) |
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| Operation误差 | ± (5percent of the reading in 5 digits) | |||
| Measure the time | Usually 6 seconds | |||
| Maximum interference voltage | 24 V, more than 24 V can not start measurement | |||
| Maximum overload | Urms The maximum value is 250 V | |||
| Resistance measurement (R DC) | ||||
| Measuring method | According to IEC61557-4 current - voltage measurement | |||
| Measure voltage | Dc 20 V | |||
| Short circuit current | 250 mA DC | |||
| The formula for measuring the value | For quadrupole measurement, the H,S,ES wire can be extended without additional error
Resistance > in wire E; At 1 Ω, an additional error of 5m Ω/Ω can be caused |
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| Measuring range | 0.020 Ω清洁度300 kΩ—— | |||
| Disy range | 0.001 Ω清洁度2.999 Ω—— | |||
| 3.00 Ω |
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| 30.0 Ω清洁度299.9 Ω—— | ||||
| 300 Ω清洁度2999 Ω—— | ||||
| 3.0 kΩ清洁度29.99 kΩ—— | ||||
| 30.0 kΩ清洁度299.9 kΩ—— | ||||
| Resolution | 0.001 Ω | |||
| 0.01 Ω | ||||
| 0.1 Ω | ||||
| 1 Ω | ||||
| 10 Ω | ||||
| 100 Ω | ||||
| Precision | ± (2percent of the reading in 2 digits) | |||
| Operation误差 | ± (5percent of the reading in 5 digits) | |||
| Measurement sequence | About 2 measurements per second | |||
| Measure the time | Usually 4 seconds, including polarity reversal (bipolar or quadrupole) | |||
| Maximum interference voltage | Dc or AC voltage ≤3 V, more than 3 V can not start measurement | |||
| Maximum induction rate | 2 Henry | |||
| Maximum overload | Urms = 250 V | |||
| 测量导线电阻的补偿 (RK ) | ||||
| 在函数 RE 三极、RE 四极（钳口）、R 交流和 R 直流二极中,可以打开测量导线电阻的补偿 (RK ) | ||||
| The formula for measuring the value | R显示 = R测量 - R补偿 ² | |||
| 2. Set point input value RK = 0.000 Ω, by adjusting the measurement in the range of 0.000 to 29.99 Ω | ||||
| Pileless grounding circuit measurement (double clamp, pileless) | ||||
| Switch gear | RA quadrupole (double clamp, no pile) | |||
| Resolution | 0.001 Ω清洁度0.1 Ω—— | |||
| Measuring range | 0.02 Ω |
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| Precision | ± (7percent of 3 digits of the reading) | |||
| Operation误差 | ±（读数的 10percent five digits） | |||
| Measure voltage | Vm = 48 V AC (primary voltage) | |||
| Measure the frequency | 128 Hz | |||
| Noise current (IEXT) | Max IEXT = 10 A (AC) (RA < 20 Ω) | |||
| Maximum to ground IEXT = 2 A (AC) (RA > 20 Ω) | ||||
| Measurement principle: Two current transformers are used to measure the resistance in the closed loop without piles
自动The range of选择. Information about a dockless ground loop measurement is valid only if the measurement is made using the recommended current clamp at the specified minimum distance |
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