Metrel MI 3144ST Euro-Z 800V Multifunction Installation Tester (Standard)

• Instrument MI 3144 Euro Z 800 V
• Mains cable
• RS232-PS/2 cable
• Test lead 5 m, black, 2 pcs
• Test lead 5 m, red, 2.5 mm2, 2 pcs
• Test lead 50 m, red, 2.5 mm2*
• Test lead 20 m, black
• Test lead 50 m, green*
• Large Kelvin test clip, 2 pcs
• Crocodile clip, black, 2 pcs
• Crocodile clip, red, 2 pcs
• Crocodile clip, green
• Test probe, black, 2 pcs
• Test probe, red , 2 pcs
• G clamp
• Human body resistance probe
• Test rod, 2 pcs
• Step voltage plates, 2 pcs
• Metrel aMESM Android PRO P 1102-AND Licence key integrated in instrument
• Calibration certificate
• Instruction manual**
• Protective bag for accessories (mounted on the case)
• Soft carrying bag*

* Replaced by test leads on a cable reel in MI 3144 EU set. **All documentation can be downloaded free of charge from Metrel Web server or Metrel Documentation center.

Key Features

• High orecision 4-wire 300 A Z Line and Z Loop Impedance Tester;
• High range impedance measurements in 800 V / 16 ... 420 Hz AC networks;
• DC Source & Line Resistance measurements in 3 ... 260 V DC networks;
• Hi Current dR 300 A 4-wire Partial Voltage drops and Current's Path Resistances;
• Earth Leakage Relay (ELR) Trip-out Testing Time and Current;
• ELR supported types AC, A, B;
• Ground fault analysis with contact, touch and step voltage;
• Floating voltmeter for partial contact results;
• One-Clamp Hi current grounding method with clamps (Flex & Iron);
• Selectable test load (16.6 % to 100 %);
• Improved thermal performance;
• Portable battery (Li-ion) or mains powered test instrument;
• IP protection: IP65 (case closed), IP54 (case opened);
• CAT IV 600 V (3000 m) safety category;
• Bluetooth communication;
• Black box design (remote-controlled via an Android device).

Applications

Power generation

• Single flex clamp method for testing building construction integrity for lightning protection

Power distribution

• Step and touch voltages of transformers
• Ground integrity of conductive constructions with high current dR 300A
• DC Networks’ and Power Sources’ Line and Loop Resistances

Industrial installations

• Grid impedance and automatic trip-out ability
• Impedance of live transformer and fault currents with hot factor
• Partial voltage drops and partial clamp currents
• Partial earth bonding resistance with single flex clamp method
• Earth leakage relay and fault currents

Low voltage electrical installation safety

• Substation electrical safety
• Mains bonding and touch voltages during fault
• Switchboards and automatic trip-out protection

Special locations 

• DC installations

Hospital earthing and lightning protection 

• Mains bonding and touch voltages during fault current