MZC-304F

Measurement functions	Measurement range	Display range	Resolution	Accuracy
Voltage	0 V…500 V	0 V…500 V	from 0.1 V	from ±(2% m.v. + 2 digits)
Frequency	45.0 Hz…65.0 Hz	45.0 Hz…65.0 Hz	0.1 Hz	±(0.1% m.v. + 1 digit)
Short-circuit loop parameters
2p method – standard current measurement maximum current 13.3 A	from 0.13 Ω…1999 Ω acc. to EN 61557	0.00 Ω…1999 Ω	from 0.01 Ω	±(5% m.v. + 3 digits)
2p method – measurements without tripping RCDs	from 0.5 Ω…1999 Ω acc. to EN 61557	0.00 Ω…1999 Ω	from 0.01 Ω	from ±(6% m.v. + 5 digits)
Short-circuit current readings
2p method – standard current measurement	Calculated on the basis of test Z_S ranges and rated voltages	1.110 A…9999 A	from 0.001 A	Calculated on the basis of error for fault loop
2p method – measurements without tripping RCDs	Calculated on the basis of test Z_S ranges and rated voltages	1.110 A…9999 A	from 0.001 A	Calculated on the basis of error for fault loop
Measurement of continuity of protective conductors and equipotential bonding
Low-voltage measurement of continuity of circuit and resistance with ±200 mA current	0.12 Ω…400 Ω acc. to EN 61557-4	0,00 Ω…400 Ω	from 0.01 Ω	±(2% w.m. + 3 cyfry)
Measurement of resistance with low current	0.0 Ω…1999 Ω	0.0 Ω…1999 Ω	from 0.1 Ω	±(3% w.m. + 3 cyfry)

Measurement functions

Measurement range

Display range

Resolution

Accuracy

Voltage

0 V…500 V

from 0.1 V

from ±(2% m.v. + 2 digits)

Frequency

45.0 Hz…65.0 Hz

0.1 Hz

±(0.1% m.v. + 1 digit)

Short-circuit loop parameters

2p method – standard current measurement maximum current 13.3 A

from 0.13 Ω…1999 Ω acc. to EN 61557

0.00 Ω…1999 Ω

from 0.01 Ω

±(5% m.v. + 3 digits)

2p method – measurements without tripping RCDs

from 0.5 Ω…1999 Ω acc. to EN 61557

0.00 Ω…1999 Ω

from 0.01 Ω

from ±(6% m.v. + 5 digits)

Short-circuit current readings

2p method – standard current measurement

Calculated on the basis of test Z_S ranges and rated voltages

1.110 A…9999 A

from 0.001 A

Calculated on the basis of error for fault loop

2p method – measurements without tripping RCDs

Calculated on the basis of test Z_S ranges and rated voltages

1.110 A…9999 A

from 0.001 A

Calculated on the basis of error for fault loop

Measurement of continuity of protective conductors and equipotential bonding

Low-voltage measurement of continuity of circuit and resistance with ±200 mA current

0.12 Ω…400 Ω acc. to EN 61557-4

0,00 Ω…400 Ω

from 0.01 Ω

±(2% w.m. + 3 cyfry)

Measurement of resistance with low current

0.0 Ω…1999 Ω

from 0.1 Ω

±(3% w.m. + 3 cyfry)

Description

The presented model is one of the smallest instruments available on the market intended for short circuit loop impedance measurements in 230/400 V networks and continuity of protective and equipotential connections measurements. The MZC-304F meter performs short circuit loop measurements with a resolution of 0.01 Ω, also in the case of measurements in networks protected with RCD switches. With a backlit keyboard and display, the device can be used even in low light. The device has a sealed casing with IP67 protection, which is characterised by excellent resistance and ensures smooth operation even under adverse environmental conditions.

Description

Brand

Sonel

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MZC-304F

Description

Brand

Sonel

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