Electrician Current Clamp Meter Metrel MD 9220

• 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 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.

 

• 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

 

• 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

 

• 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.

 

• Loop impedance / prospective fault current
• Line impedance / prospective short-circuit current
• Built-in fuse characteristics for quick evaluation of measuring results
• RCD tests (trip out time, contact voltage, ramp test, Autotest)
• Testing on 1- and 3-phase systems
• Phase sequence test

 

• 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

 

• Five pre-set test voltages: 250V, 500V, 1000V, 2500V and 5000V
• up to 1 T? for insulation resistance
• 600 V for voltage measurements
• Quick setting - Quick & Easy test voltage selection
• Faster testing - 5 mA current source for quick charging of capacitive loads
• Safe - High CAT IV, 600 V voltage protection
• Easy to read - Large, bright LCD display with backlight

 

• 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.

 

• DC insulation resistance with test voltages up to 1000V
• PE conductor continuity test
• Loop and Line impedance also without RCD triggering
• RCD test
• Illumination
• Phase sequence in 3-phase systems
• Measurements on earthling and lightning systems with included 2-clamp method (without junctions disassembling).
• Electrical power and consumption measurement,
• current and voltage harmonics measurement,
• phase angle