Metrel MI3122 SMARTEC Z RCD Loop/ Line Impedance Short-circuit Current Tester

• Measurements on DC side of PV installation:
• Voltage, current, power, energy;
• Uoc (Open Circuit Voltage) and Isc (Short Circuit Current);
• I - U curve of PV modules and strings;
• Irradiance;
• Module temperature.
• Measurements on AC side of PV installation (power quality):
• Voltage, current, frequency, power, PF, energy, harmonics;
• Efficiency of PV module, inverter, PV system calculation.

 

• Measurements on earthing and lightning protection systems include: standard 4-wire method, standard 4-wire method with current clamps and 2-clamp method without junctions disassembling.
• Specific earth resistance (soil resistance).
• DC insulation resistance measurement with test voltages from 50 V up to 1000 V in 10 V steps. Measuring range up to 30 GOhm.

 

• Bidirectional resistance measurement from 1 µO up to 199,9 O
• test current up to 2 A
• High overvoltage protection (CAT III / 600 V)
• Internal protection cicuit
• 50 Hz / 60 Hz ripple detection and rejection.
• more than 800 measurements of 500 mO load 8 2 A test current & 15 s measurement duration
• Pre-programmed limits with PASS/FAIL evaluation of measurement result
• Up to 1500 test results with timestamp can be stored in internal memory.
• PC SW HVLink PRO enables downloading, review, analyses and printing of test results.

 

• Voltage: TRMS, peak, crest factor (4-channel)
• Current: TRMS, peak, crest factor (4-channel)
• Power (active, reactive, apparent)
• Power measurements fully compliant with IEEE 1459 (active, nonactive, fundamental, harmonic, load unbalance)
• Unbalance, flicker measurement
• Harmonic and interharmonic analysis up to 50th harmonics, THD measurement
• Energy (active, reactive, generated, consumed)
• Power quality analysis according to EN 50160 and IEC 61000-4-30 Class A

 

• 1000V AC, DC voltage measurement;
• 8A AC, DC current measurement;
• 600O..60MO Resistance measurement;
• 60nF..3mF Capacitance measurement;
• 5Hz..1MHz Frequency Measurement
• Temperature measurement(thermocouple type K included)

 

• Adjustable test voltage from 250 V to 5000 V in 50 V steps.
• Resistance measuring range 5 T?.
• Adjustable measuring time from 1 second to 90 minutes.
• Automatic PI, DAR and DD index calculation and capacitance measurement up to 50µF.
• Automatic load discharge after completed measurement.
• Guard terminal for elimination of insulation surface currents.
• AC and DC voltage measurement up to 600 V.

 

• Wiring check
• DC insulation resistance
• Continuity test
• Line and Loop resistance
• RCD test
• Phase sequence
• Pass/Fail visual and audio presentation of results

 

• Loop impedance / prospective fault current
• Line impedance / prospective short-circuit current
• Built-in fuse characteristics for quick evaluation of measuring results
• RCD tests (trip out time, contact voltage, ramp test, Autotest)
• Testing on 1- and 3-phase systems
• Phase sequence test

 

• DC insulation resistance,
• PE conductor continuity test,
• Line and Loop resistances with Fuse characteristics inside the instrument,
• RCD test with Trip lock function,
• phase sequence in 3-phase systems,
• on-line voltage monitor.

 

• Continuity tests (200 mA, 4 A, 10 A, 25 A).
• Insulation resistance.
• Substitute leakage current.
• Differential leakage current.
• Touch leakage current.
• IEC cord polarity test.
• Leakage and load TRMS current measurement with current clamp.