Loop Impedance Meter AMZC-306

The most important features of AMZC-306 are:

Loop impedance measurement with resolution 0,01Ω
Loop impedance measurement without tripping the circuit breaker > 30mA with resolution 0,01Ω (100...440V)
Measurements possible in installations 110/190V, 115/200V, 127/220V, 220/380V, 230/400V, 240/415V, 290/500V and 400/690V (range 100...750V)
Short circuit current indication
Voltage measurement up to 750V and up to 250V with resolution 0,1V
Measurements using Uni-Schuko adapter or test wires 1,2; 5; 10 and 20m
Memory of 990 records
USB connection with PC
Powered by disposable or rechargeable (4xLR14)

Measurement of short circuit loop impedance ZL-PE ,ZL-N ,Z L-L

Measuring range according to IEC61557: 0,13…1999Ω for 1,2m test leads; 0,25…1999Ω for UNI-SCHUKO adapter

Range	Resolution	Accuracy
0,00...19,99Ω	0,01Ω	±(5% m.v. + 3 digits)
20,0...199,9Ω	0,1Ω	±(4% m.v. + 3 digits)
200...1999Ω	1Ω	±(4% m.v. + 3 digits)
Rated operating voltage UnL-N / UnL-L: 110/190V, 115/200V, 127/220V, 220/380V, 230/400V, 240/415V, 290/500V, 400/690V

Voltage range 100…440V (for ZL-PE, ZL-N ) and 100…750V (for ZL-L )
High current measurement (up to 30A)
Operating frequency range: 45…65Hz
Control of correctness of PE terminal connection by means of a contact electrode (ZL-PE)
Measurement is also possible when L and N circuits are swapped
Measurement of resistance and reactance components
Short circuit current calculation

Measuring of short circuit loop impedance ZL-PE RCD (without RCD tripping)

Measuring range according to IEC61557: 0,43...1999Ω for 1,2m test leads; 0,50...1999 Ω for UNI-SCHUKO adapter

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	±(6% m.v. + 5 digits)
Operating voltage range: 100 ... 440V
Rated operating voltage Un: 110V, 115V, 127V, 220V, 230V, 240V, 390V, 400V
Control of correctness of PE terminal connection by means of a contact electrode
Measurement is also possible when L and N circuits are swapped
Measurement of resistance and reactance components
Short circuit current calculation

Voltage measurement
Voltage measurement
Range	Resolution	Accuracy
0...249,9V	0,1V	±(2% m.v.. + 4 digits)
250...750V	1V	±(2% m.v. + 2 digits)
Measurement available for all settings of short-circuit loop ZL-PE , ZL-PE RCD and ZL-N ,L-L
Frequency range 45…65Hz,
Overvoltage alarm.
“m.v.” - measured value.

AMZC-306 Specifications
Electrical safety:
Type of insulation	Double, according IEC 61010-1
Measurement category	CAT IV 600V (CAT III 1000V)
Protection class acc. to EN 60529	IP54
Other technical data:
Power supply	alkaline batteries or NiMH rechargeable batteries, size LR14 (4 pcs)
Number of Z measurements (for alkaline batteries)	>5000
Time to Auto-OFF	300 seconds
Data transmission	USB
Memory of measurement results	990 cells, 3500 entries
Display	LCD segment
Dimensions	288x223x75mm
Meter weight	2 kg
Rated operational conditions:
Operating temperature	0...+45°C
Storage temperature	-20...60°C
Humidity	20-80%

Standard accesories:

Optional accesories:

Do you want to buy high quality Ohmmeters?

Do not hesitate to contact us, call us today by phone (+34) 982 20 99 20. We are happy to help you.