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Medidor de la impedancia MZC-320S

Medida de impedancias de bucle de cortocircuito muy bajas (con resolución 0,1 mΩ) con una corriente de 130 A a 230 V; máximo 300 A a 550 V o con una corriente de 24 A a 230 V, máximo 30 A a 550 V (con resolución 0,01 Ω)

mediciones en instalaciones con tensiones nominales entre: 110/190 V, 115/200 V, 127/220 V, 220/380 V, 230/400 V, 240/415 V i 290/500 V y frecuencias de 45… 65 Hz,
capacidad para realizar mediciones en sistema de cortocircuito: fase-fase, fase protectora, fase-neutro,
diferenciación entre la tensión de fase y la tensión entre fases mientras se calcula la corriente de cortocircuito,
capacidad de cambiar la longitud del cable de prueba,
Método de cuatro polos, los cables de prueba no requieren calibración (medición con corriente 300 A).
Medición de voltaje de contacto y voltaje de choque de contacto con resistencia de 1 kΩ).
Medición de voltaje CA en rango 0… 550V.
Memoria de 999 resultados de medición con capacidad para transferir los datos a una PC
Posibilidad de transmitir la fecha a través de USB.
El medidor cumple con los requisitos de la norma EN 61557.

BROCHURE MANUAL

SKU: MZC-320S Categorías: Energía Eléctrica, Instrumentos de Medición, Medidor de impedancia, Medidores de impedancia Sonel Etiqueta: Sonel

Descripción

Voltage measurements (True RMS)

Range	Resolution	Accuracy
0…550 V	1 V	±(2% m.v. + 2 digits)

frequency range: DC, 45…65 Hz
input impedance of the voltmeter: >200 kΩ

Frequency measurements (for voltages in range 95…550 V)

Range	Resolution	Accuracy
45,0…65,0 Hz	0,1 Hz	±(0,1% m.v. + 1 digit)

Short circuit loop parameters measurement using high current (4p, I_max=300 A)

High-current of measurement of short circuit loop impedance Z_S:
measuring range according to IEC61557: 7,2 mΩ…1999 mΩ

Range	Resolution	Accuracy
0…199,9 mΩ	0,1 mΩ	±(2% m.v. + 2 mΩ)
200…1999 mΩ	1 mΩ	±(2% m.v. + 2 mΩ)

Short circuit resistance R and reactance X_S display range

Range	Resolution	Accuracy
0…199,9 mΩ	0,1 mΩ	±(2% m.v. + 2 mΩ) impedance reading for a particular measurement
200…1999 mΩ	1 mΩ	±(2% m.v. + 2 mΩ) impedance reading for a particular measurement

Short circuit current indication
measuring range according to IEC 61557:

for U_n = 230 V 115,0 A…32,0 kA
for U_n = 400 V 200 A…55,7 kA
for U_n = 500 V 250 A…69,4 kA

Range	Resolution	Accuracy
115,0…199,9 A	0,1 A	Accuracy of the curren indication computed, respectively, with the use of resistance measurements
200…1999 A	1 A	Accuracy of the curren indication computed, respectively, with the use of resistance measurements
2,00…19,99 kA	0,01 kA	Accuracy of the curren indication computed, respectively, with the use of resistance measurements
20,0…199,9 kA	0,1 kA	Accuracy of the curren indication computed, respectively, with the use of resistance measurements
200 kA…*	1 kA	Accuracy of the curren indication computed, respectively, with the use of resistance measurements

* 230 kA for U_L-N
400 kA for U_L-L

Short circuit loop parameters measurement using standards current (2p, I_max=30 A)

Touch voltage measurements U_ST and shock voltage U_T

Range	Resolution	Accuracy
0…100 V	1 V	±(10% m.v. + 2 digits)

Short circuit loop impedance Z_S measurement:
measuring range according to IEC61557: 0,13 Ω…199,9 Ω for test leads length 1,2 m

Range	Resolution	Accuracy
0,00…19,99 Ω	0,01 Ω	±(2% m.v. + 3 digits)
20,0…199,9 Ω	0,1 Ω	±(3% m.v. + 3 digits)

Short circuit resistance R_S and reactance X_S display range

Range	Resolution	Accuracy
0,00…19,99 Ω	0,01 Ω	±(2% m.v. + 3digits) impedance reading for a particular measurement
20,0…199,9 Ω	0,1 Ω	±(3% m.v. + 3 digits) impedance reading for a particular measurement

Readings short circuit current

Range	Resolution	Accuracy
1,150…1,999 A	0,001 A	Accuracy of the current indication computed, respectively, with the use of resistance measurements
2,00…19,99 A	0,01 A	Accuracy of the current indication computed, respectively, with the use of resistance measurements
20,0…199,9 A	0,1 A	Accuracy of the current indication computed, respectively, with the use of resistance measurements
200…1999 A	1 A	Accuracy of the current indication computed, respectively, with the use of resistance measurements
2,00…19,99 kA	0,01 kA	Accuracy of the current indication computed, respectively, with the use of resistance measurements
20,0…40,0 kA	0,1 kA	Accuracy of the current indication computed, respectively, with the use of resistance measurements

„m.v.” – measured value.

Electric security:

type of insulation: double, according to PN-EN 61010-1 and IEC 61557;
measurement category: IV 600 V acc. to PN-EN 61010-1;
protection class acc. PN-EN 60529: IP20 (IP67 with front cover closed);

Other technical data:

power supply: build in Li-Ion 7,2 V/8,8 Ah
resistor limited the current:
- for 4 pole method 4p: 1,8 Ω;
- for two pole method 2p: 9,4 Ω for U≤253 V, 19 Ω for U>253 V,
number of short circuit loop measurements: 2000 (4/min.),
temperature coefficient: ±0,1% measured value /°C;
dimensions: 390 mm x 310 mm x 170 mm;
weight: 6,6 kg

Rated operational conditions:

operating temperature 0…+40 °C

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Medidor de la impedancia MZC-320S

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