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Short circuit loop measurement (EN 61557):
Short circuit loop impedance ZL-PE , RCD measurement |
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Short circuit loop impedance ZS |
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Range |
Resolution |
Accuracy |
0,00...19,99Ω |
0,01Ω |
±(6% m.v. + 10 digits) |
20,0...199,9Ω |
0,1Ω |
±(6% m.v. + 5 digits) |
200...1999Ω |
1Ω |
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No RCD reaction for I∆n ≥30mA, |
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Nominal work voltage Un: 220V, 230V, 240V |
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Voltage range: 180…270V |
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Nominal network frequency fn: 50Hz, 60Hz |
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Frequency range: 45…65Hz |
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PE terminal connection correctness check with the help of touch electrode |
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Short circuit current calculation for nominal voltage |
Low voltage resistance measurement |
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Measurement of continuity of equipotential bondings and protective conductors with ±200mA current |
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Range |
Resolution |
Accuracy |
0,00...19,99Ω |
0,01Ω |
±(2% m.v. + 3 digits) |
20,0...199,9Ω |
0,1Ω |
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200...400Ω |
1Ω |
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Open terminals voltage: 4…9V DC |
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Output current at R<2Ω: min 200mA ISC: 200...250mA) |
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Test leads resistance compension |
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Measurement for both current polarization |
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“m.v.” - measured value. |
Short circuit loop impedance ZL-PE ,ZL-N ,Z L-L , resistance and reactance measurement |
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Short circuit loop impedance ZS |
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Range |
Resolution |
Accuracy |
0,00...19,99Ω |
0,01Ω |
±(5% m.v. + 3 digits) |
20,0...199,9Ω |
0,1Ω |
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200...1999Ω |
1Ω |
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Nominal work voltage UnL-N / UnL-L : 220/380V, 230/400V, 240/415V |
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Voltage range 180…270V (for ZL-PE, ZL-N ) and 180…460V (dla ZL-L ) |
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Nominal network frequency fn : 50Hz, 60Hz |
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Frequency range: 45…65Hz |
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Maximum measurement current 7,6A for 230V (3x10ms), 13,3A for 400V (3x 10ms) |
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PE terminal connection correctness check with the help of touch electrode (ZL-PE , ZL-PE(RCD) ) |
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Short circuit current calculation for nominal voltage |
Short circuit loop resistance RS and reactance XS |
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Range |
Resolution |
Accuracy |
0,00...19,99Ω |
0,01Ω |
±(5% + 5 digits) of ZS value |
20,0...199,9Ω |
0,1Ω |
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Calculated and displayed for ZS <200Ω |
Low current resistance measurement |
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Range |
Resolution |
Accuracy |
0,00...199,9Ω |
0,1Ω |
±(3% m.v. + 3 digits) |
200...2000Ω |
1Ω |
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Open terminals voltage4...9V DC |
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Output current ISC < 8mA |
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Accustic signal for measured resistance < 30Ω ± 50% |
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Test leads resistance compensation. |
AC voltage measurement |
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Range |
Resolution |
Accuracy |
0...299,9V |
0,1V |
±(2% m.v.. + 6 digits) |
300...500V |
1V |
±(2% m.v. + 2 digits) |
Frequency range 45...65Hz |
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Test result refreshing: twice per second |
Frequency measurement |
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Range |
Resolution |
Accuracy |
45,0...65,0Hz |
0,1Hz |
±(0,1% m.v. + 1 digit) |
Voltage range: 50... 500V. |
AMZC-304 Specifications |
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Electrical safety: |
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Type of insulation |
Double, according EN 61010, 61557:2007-01 |
Measurement category |
III 600V (CAT IV 300V) |
Protection class acc. to EN 60529 |
IP67 |
Other technical data: |
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Power supply |
Package of batteries (AA, 4 pcs.) |
Batteries performance (short-circuit loop) |
min.5000 measurements |
Rated operational conditions: |
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Operating temperature |
0...+50°C |
Humidity |
20-80% |
Rated mains voltage |
220/380V, 230/400V, 240/415V |
Standard accesories
Optional accesories
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