Multimetru portabil mentenanta industrie si laborator reparatii Metrel MD 9030

• 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.

 

• 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

 

• meets overvoltage category CAT IV 1000 V
• TRMS AC, DC voltage measurement;
• TRMS AC, DC current measurement;
• Capacitance measurement;
• Resistance measurement;
• Diode test;
• Frequency measurement;
• Electric field detection;
• Continuity test (acoustic signaling);
• Temperature measurement.

 

• Measurement of step voltage and contact voltage.
• Measurement of earthing resistance with resolution of 1 m?.
• Measurement of specific earth resistance.
• High current of up to 50 A and effective suppression of noise
• Excellent immunity even against changing earth currents.
• Autonomous Step Voltage meter: no need for long voltage leads.
• Downloads test results directly to the PC with the help of the professional PC SW package HVLink

 

• 1000V DC, 750V AC voltage measurement;
• 10A AC, DC current measurement;
• 250O..25MO Resistance measurement;
• 2500nF..25mF Capacitance measurement;
• 30Hz..200kHz Frequency Measurement
• Temperature measurement

 

• 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.

 

• 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).

 

• easy to use LAN tester with wide variety of functions for fault finding
• troubleshooting on IT cabling connections
• TDR facility with adjustable NVP
• determination of distance to the fault
• cable length measurement
• pair determination in multi-pair cables
• crossed pairs,
• crosstalk,
• short-circuit,
• mismatched pairs,
• bad contacts,
• no shield etc..

 

• 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.

 

• DC insulation resistance,
• PE conductor continuity test,
• Line and Loop resistances with Fuse evaluation table built-in, RCD test with Trip lock function,
• phase sequence in 3-phase systems,
• on-line voltage monitor,
• 2-wire and 3-wire Earth resistance test with built-in battery operated generator.