Low Cost Universal Current Clamp Meter Metrel MD 9210

• Functional and visual inspection;
• Earth bond resistance;
• Insulation resistance;
• Substitute leakage current;
• Differential leakage current test;
• Touch leakage test;
• IEC cord polarity test;

 

• Resistance measurement: wide measuring range (1 nO ... 20 O)
• adjustable test current (100 mA ... 100 A)
• Voltage drop measurement
• Bar graph: on screen resistance bar graph
• protection level (CAT IV, 50 V)
• Portable
• High protection degree: IP 64.
• Accurate: 1 nO best resolution with 0.25% accuracy
• Custom limits: the limits can be set for PASS or FAIL evaluation of test result.
• Battery powered
• Downloadable: downloads test results via RS232 or USB cable directly to the PC with the help of the software.

 

• 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

 

• Supports all types of earthing resistance measurements:
• - Standard earthing resistance measurement with spikes
• - Selective earthing resistance test with one current clamp
• - Selective (contactless) earthing resistance with two current clamps
• - Specific earth resistance measurement
• Leakage current tests with current clamps
• Load current tests with current clamps
• High accuracy, very high immunity against external noise
• Preprogrammed limits

 

• 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.

 

• Continuity test with 200 mA.
• Insulation resistance.
• Insulation resistance of isolated accessible conductive parts.
• Substitute leakage current.
• Substitute leakage current of isolated. accessible conductive parts.
• IEC cord polarity test.
• Voltage.
• Functional and visual inspection.

 

• 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).

 

• Field proven instrument for under-wall low voltage installation tracing
• fuse finding
• short-circuit spot determination and metal installation tracing
• Can be used on energized or voltage-free systems.
• Tips and detailed descriptions of connection schemes for various combinations from everyday practice.

 

• Simulation of common electrical installation usually met in an individual house or apartment
• Various test methods supported by different test instruments can be presented.
• Acceptable or faulty parameters can be preset by five »fault« switches.
• Some real elements of electrical installation are placed on the front panel like RCD protection device, ON/OFF switch

 

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