Metrel MI 3155 XD

The newest flagship of Metrel’s advanced line of multi-functional instruments for industrial testing. What sets this instrument apart is its ergonomic design and intuitive user interface, featuring a memory organizer and fully programmable AUTO SEQUENCEs, all managed through a large colour touch screen display.

KEY FEATURES
• Programmable AUTO SEQUENCEs. *• Predefined profile dependent AUTO SEQUENCEs.
• Predefined Automatic tests: Auto TT (U, Zln, Zs, Uc); Auto TN/RCD (U, Zln, Zs, Rpe); Auto TN (U, Zln, Zlpe, Rpe); Auto IT (U, Zln, Isc, Isfl, IMD).
• High resolution colour touch screen, 4.3” TFT.
• Functional inspections.
• Visual inspections.
• Custom inspections (visual and functional) which may be incorporated into AUTO SEQUENCEs.
• EVSE AUTO SEQUENCEs and function inspections.
• Machine functional and visual inspections.
• Built-in help screens for referencing on site.
• Built-in fuse tables for automatic evaluation of the line / loop impedance result.
• Monitoring of all 3 voltages in real-time.
• Automatic polarity reversal on continuity test.
• Automated RCD testing procedure (RCD AUTO).
• Automated Impedance testing procedure (Z AUTO).
• Measurement filtering according to the selected area group.
• Built-in charger and rechargeable batteries as standard accessory.
• BT communication with PC, Android tablets and smart phones via built-in BT.• PC SW Metrel ES Manager (structure and report creation, data upload/download). *
• Optional aMESM Android app
(structure and report creation, data upload/download).

MEASURING FUNCTIONS
• Live Transformer’s Impedance Measurement with Four Wire Test;
• Hi-precision Short Circuit Current evaluation with Calculated Hot factor;
• 3-wire test of PE (RPE function) without extension lead conductor;
• Autotest insulation function between L-N, N-PE and L-PE (R ISO ALL function);
• 4 wire continuity test;
• Insulation resistance with DC voltage from 50 V to 2500 V and PI, DAR calculation;
• Varistor test;• Continuity of PE conductors with 200 mA DC test current with polarity change;
• Continuity of PE conductors with 7 mA test current without RCD tripping;
• 2-wire and 3-wire high-current loop impedance (L-PE) measurement;
• 3-wire loop impedance (L-PE) measurement with Trip Lock RCD function;
• Touch voltage / Contact voltage measurement with external P/S probe.
• 2-wire and 3-wire line impedance (L-L, L-N) measurement;
• 1-phase / 3-phase TRMS voltage and frequency measurements;
• Line, loop and RCD measurements at frequency range 16 … 400 Hz;
• Phase sequence;• Power and THD measurement (up to the 12th harmonic);
• RCD testing (general and selective, type AC, A, F, B, B+, MI RCD, EV RCD, PRCD, PRCD-K, PRCD-S);
• Earth resistance (3-wire and 2-clamps method);
• Specific earth resistance with Ro-adapter (option);
• TRMS leakage and load currents (option);
• First fault leakage current (ISFL);
• Testing of Insulation Monitoring Devices (IMDs);
• Machine mode support with time discharge;
• Illumination (option);
• High resolution Loop impendance (mΩ) (option);
• EVSE (Electrical Vehicle Supply Equipment)
support (option);
• Determining location of cables (option);
• QR and/or barcode scanner support (option).