Megohmmetru rezistenta izolatie 1kV si continuitate Metrel MI 3103 GIGAOHM

• Single-phase Built-in Variable Auto-Transformers
• Three-phase Built-in Variable Auto-Transformers
• Motor driven Variable Transformers
• Desk top Variable Transformers

 

• 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.

 

• 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

 

• 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.

 

• High performance, multifunction test instrument for LAN cabling verification
• quick LAN cabling verification up to CAT6 (ClassE)
• in accordance with international standards EN50173, TIA/EIA 658B, ISO/IEC 11801, etc.
• inbuilt Autotests
• Professional TDR with integrated TDR NEXT function enables pinpoint distance to the fault determination
• Connectivity with UTP, STP, ScTP, FTP cables

 

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

 

• DC and TRMS AC voltage up to 600 V
• TRMS AC current measurement up to 1000 A
• Resistance measurement
• Continuity test
• Frequency measurement
• Contact temperature measurement
• Power factor
• Power (W, VA, Var)

 

• 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).

 

• 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 up to 100 GO with DC voltage up to 2.5 kV;
• PI, DAR calculation;
• Continuity of PE conductors with 200 mA test current and polarity change;
• Continuity of PE conductors with 7 mA test current (continuous measurement) without RCD tripping;
• TRMS voltage and frequency.