Cleste ampermetric ideal pentru electrician Metrel MD 9220

• 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

 

• Insulation resistance with up to 2500V DC voltage
• PI, DAR calculation
• 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

 

• 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.

 

• 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,
• 3-wire Earth resistance test with built-in battery operated generator,
• Leakage Current test,
• test of Luminance with optional LUX meter probe.

 

• 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.

 

• Very large LCD display with bargraph and backlight
• High measuring range of up to 30 G? with test voltage from 50 V to 1000 V
• Fast and reliable continuity tests with automatic polarity reversal
• Voltage and frequency measurements
• Preprogrammed limits
• PASS/FAIL evaluation of result
• Bright GREEN/RED indicators provides visual evaluation of results
• Suited for testing on CAT IV installations

 

• Complete representation of a real low voltage installation in industrial and residential areas
• sockets,
• electrical loads,
• lightning,
• earthing systems for TT, TN and IT types of installations.
• 65 different measurements according to IEC/EN61557 are supported.
• Fault situation simulation switches can generate 19 errors or combination of these
• Detailed instruction manual with profound explanation of all typical measurements.

 

• 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.

 

• Voltage testing up to 1000 V
• Automatic AC/DC recognition
• Continuity testing up to 2000 ?
• Phase & Rotating Field Test RCD fault test
• Diode Test
• Auto Power Off
• Data Hold
• LCD display with backlight

 

• 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)