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Measurement of very low short circuit loop impedances (with resolution 0,1mΩ) with a current of 150A at 230V; maximum 280A at 440V or measurement with a current of 23A at 230V; maximum 42A at 440V:
Measurement of short circuit loop using standard current (2p, I =42A) |
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Short circuit loop impedance Z measurement |
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measuring range according to IEC61557: 0,13Ω...199,9Ω for 1,2m long test leads |
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Range |
Resolution |
Accuracy |
0...19,99mΩ |
0,01mΩ |
±(2% m.v. + 3 digits) |
20...199,9mΩ |
0,1mΩ |
±(3% m.v. + 3 digits) |
Short circuit resistance R and reactance X display range |
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Range |
Resolution |
Accuracy |
0...19,99mΩ |
0,01mΩ |
±(2% m.v. + 3 digits) |
20...199,9mΩ |
0,1mΩ |
±(3% m.v. + 3 digits) |
Prospective short circuit loop current |
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Range |
Resolution |
Accuracy |
1,150...1,999A |
0 001A |
accuracy of the current indication computed, respectively, with the use of resistance measurement |
2,00...19,99A |
0,01A |
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20,0...199,9A |
0,1A |
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200...1999A |
1A |
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2,00...19,99kA |
0,01kA |
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20,0...40,0kA |
0,1kA |
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Short circuit loop parameters measurement using high current (4p, I =280A) |
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High-current of measurement of short circuit loop impedance Z: |
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Measuring range according to IEC61557:: 7,2mΩ...1999mΩ |
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Range |
Resolution |
Accuracy |
0...199,9mΩ |
0,1mΩ |
±(2% m.v. + 2mΩ) |
200...1999mΩ |
1mΩ |
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Short circuit resistance R and reactance X display range |
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Range |
Resolution |
Accuracy |
0...199,9mΩ |
0,1mΩ |
±(2% m.v. + 2mΩ) |
200...1999mΩ |
1mΩ |
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Prospective short circuit loop current |
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Measuring range according to IEC 61557: for Un = 230V: 115,0A...32,0kA and for Un = 400V: 200A...55,7kA |
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Range |
Resolution |
Accuracy |
115,0...199,9A |
0,1A |
accuracy of the current indication computed, respectively, with the use of resistance measurement |
200...1999A |
1A |
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2,00...19,99kA |
0,01kA |
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20,0...199,9kA |
0,1kA |
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200kA...* |
1kA |
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* 230 kA for ULN |
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* 440 kA for ULL |
Touch voltage measurement U ST and shock voltaje U T |
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Range |
Resolution |
Accuracy |
0...100V |
1V |
±(10% m.v. + 2 digits) |
Voltages measurement (True RMS) |
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Range |
Resolution |
Accuracy |
0...440V |
1V |
±(2% m.v. + 2 digits) |
Frequency range: DC, 45...65Hz |
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Input impedance of the voltmeter: > 200kΩ |
Frequency measurement (for voltages within the range 50...440V) |
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Range |
Resolution |
Accuracy |
45,0...65,0Hz |
0,1Hz |
±(0,1% m.v. + 1 digit) |
“m.v.” - measured value. |
AMZC-310S Specifications |
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Electrical safety: |
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Type of insulation |
Double, according EN 61010-1 and IEC 61557 |
Measurement category |
IV 300V acc. to EN 61010-1 |
Protection class acc. to EN 60529 |
IP20 |
Other technical data: |
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Power supply |
alkaline batteries LR14 (C) (5 pcs.) |
Resistor limiting the current |
for measurement 4p: 1,5Ω |
Number of measurements (alkaline batteries) |
min. 2000 (4/min.) |
Temperature coefficient |
±0,1% of measured value/°C |
Rated operational conditions: |
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Operating temperature |
0...+40°C |
Standard accesories:
Optional accesories:
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