Megohmmetru rezistenta izolatie 1000V si continuitate Metrel MI 3121

• Insulation resistance with DC voltage
• Continuity of PE conductors with 200 mA test current with polarity change
• Continuity of PE conductors with 7 mA test current (continuous measurement) without RCD tripping
• Line impedance
• Loop impedance
• Loop impedance with Trip Lock RCD function
• TRMS voltage and frequency
• Phase sequence
• RCD testing (general and selective, type AC, A and B)
• Earth resistance (3-wire method).

 

• 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:
• Voltage, current, power;
• Efficiency of PV module, inverter, PV system calculation.

 

• Testing of single and 3-phase ARC Welding equipment.
• Professional 3-phase portable appliance testing.
• Professional 3-phase machine testing
• Testing of Open-Circuit Voltage at ARC Welding Units in accordance to EN 60974-4.
• All tests on 3-phase electrical equipment can be carried out including live leakage test, power, polarity, RCD and Active polarity.
• Simple connection to the PAT/MACHINE tester with automatic detection

 

• 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

 

• 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.

 

• large 2-line 500.000 counts LCD display
• 1000V TRMS AC, DC voltage measurement;
• 10A TRMS AC, DC current measurement;
• 50nF..25mF Capacitance measurement;
• 500O..50MO Resistance measurement;
• Diode test;
• 5Hz..1MHz Frequency of digital signals measurement
• Temperature measurement(thermocouple type K included)

 

• IT System recognizing, Voltage Range and Voltage Balance;
• ISFL Single Fault Leakage current from Phase 1 and Phase 2 to PE;
• Fuse Trip-out Ability Evaluation, Line Impedance and Ipsc Prospective Short Circuit Current;
• IMD Insulation / ELM Earth Leakage / RCM Residual Current Monitor Devices Control;
• Alarm Trigger or Trip-Out Check and Adjust.

 

• TRMS AC voltage and current measurement.
• Frequency measurement.
• Power: measures various power parameters (active, reactive, apparent power, THD, PF, phase displacement).
• Intelligent loss analysis: complex algorithms detect loss and allow determining possible reasons for current loss.
• Harmonics: measures current or voltage harmonic components and a percentage value of a harmonic up to the 49th.
• Total Harmonic Distortion (THD)
• Power Factor (PF).

 

• Voltage testing up to 1000 V
• Automatic AC/DC recognition
• Continuity buzzer and led to indicate resistances below 500 k?
• Phase & Rotating Field Test
• RCD trip testing
• Diode Test
• Auto Power Off

 

• Pre-set test voltages: 250V...5000V
• Automated testing - PI, DD, DAR calculations with automated resistance ranging (AR)
• Fault finding
• R(t) graph - Real time resistance against time graph plotting facility
• Faster testing - High 5 mA charging current quickly charges capacitive loads.
• Accurate
• Safe - High CAT IV, 600 V voltage protection