Cleste ampermetric ideal pentru electrician Metrel MD 9220

• 12 V … 1000 V AC measurement range
• Optical and vibrating indication
• CAT III / 1000 V overvoltage protection

 

• 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).

 

• 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.

 

• 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..

 

• Bidirectional resistance measurement from 0,1 µO up to 2000 O
• test current up to 10 A
• Highly efficient 10 A current source generates 10 A into 200 mO load for 15 min without overheating
• High overvoltage protection (CAT IV / 300 V)
• Custom limits can be set for PASS / FAIL evaluation of test result.
• 50 Hz / 60 Hz ripple detection and rejection.
• Instrument can be powered from mains or internal rechargeable battery.
• Up to 1000 test results with timestamp can be stored in internal memory.
• PC SW HVLink PRO enables downloading, review, analyses and printing of test results.

 

• 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.

 

• DC and TRMS AC voltage up to 600 V
• DC and TRMS AC current measurement up to 1000 A and 800 A respectively
• Resistance measurement
• Continuity test
• Diode test
• Capacitance measurement

 

• 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).

 

• 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)

 

• High precision line impedance;
• High precision fault loop impedance;
• Contact voltage.
• Range widening: adapts the instruments to read from 0.1 m? up to 19.99 ?.
• Multi-system testing: works on both single phase and 3-phase systems (110 V to 440 V).