Thiết bị đo vòng lặp_ SONEL _ MZC-310S
Hãng sản suất: SONEL –Ba Lan
Model: MZC-310S
Thông số kỹ thuật:
Voltages measurement (True RMS)
|
Range
|
Resolution
|
Accuracy
|
|
0...440V
|
1V
|
±(2% m.v. + 2 digits)
|
· frequency range: DC, 45...65Hz
· input impedance of the voltmeter: >200kΩ
Frequency measurement (for voltages within the range 50...440V)
|
Range
|
Resolution
|
Accuracy
|
|
45,0...65,0Hz
|
0,1Hz
|
±(0,1% m.v. + 1 digits)
|
Short circuit loop parameters measurement using high current (4p, Imax=280A)
High-current of measurement of short circuit loop impedance ZS:
measuring range according to IEC61557: 7,2mΩ...1999mΩ
|
Range
|
Resolution
|
Accuracy
|
|
0...199,9mΩ
|
0,1mΩ
|
±(2% m.v. + 2mΩ)
|
|
200...1999mΩ
|
1mΩ
|
Short circuit resistance RS and reactance XS display range
|
Range
|
Resolution
|
Accuracy
|
|
0...199,9mΩ
|
0,1mΩ
|
±(2% m.v. + 2mΩ)
impedance reading for
a particular measurement
|
|
200...1999mΩ
|
1mΩ
|
Prospective short circuit loop current
measuring range according to IEC 61557:
for Un = 230V 115,0A...32,0kA
for Un = 400V 200A...55,7kA
|
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
|
|
2,00...19,99kA
|
0,01kA
|
|
20,0...199,9kA
|
0,1kA
|
|
200kA...*
|
1kA
|
* 230 kA for UL-N
400 kA for UL-L
Measurement of short circuit loop using standard current (2p, Imax=42A)
Touch voltage measurement UST (shock voltage UT)
|
Range
|
Resolution
|
Accuracy
|
|
0...100V
|
1V
|
±(10% m.v. + 2 digits)
|
Short circuit loop impedance ZS measurement:
measuring range according to IEC61557: 0,13Ω...199,9Ω for 1,2m long test leads
|
Range
|
Resolution
|
Accuracy
|
|
0,00...19,99Ω
|
0,01Ω
|
±(2% m.v. + 3 digits)
|
|
20,0...199,9Ω
|
0,1Ω
|
±(3% m.v. + 3 digits)
|
Short circuit resistance RS and reactance XS display range
|
Range
|
Resolution
|
Accuracy
|
|
0,00...19,99Ω
|
0,01Ω
|
±(2% m.v. + 3 digits)
impedance reading for
a particular measurement
|
|
20,0...199,9Ω
|
0,1Ω
|
±(2% m.v. + 3 digits)
impedance reading for
a particular measurement
|
Prospective short circuit loop current
|
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
|
|
20,0...199,9A
|
0,1A
|
|
200...1999A
|
1A
|
|
2,00...19,99kA
|
0,01kA
|
|
20,0...40,0kA
|
0,1kA
|