Metrel
MI 3143 Euro Z 440 V Transformer/HV Equipment Tester

Metrel MI 3143 Euro Z 440 V Transformer/HV Equipment Tester

The Metrel MI 3143 Euro Z 440 V is intended for measuring the effectiveness of automatic trip out protection in case of faults in transformers and other HV equipment. With its high precision line and loop impedance measurements on AC circuits, high current dR 300A loop and line measurements for testing partial voltage drops and contact voltage measurement, it is ideal for testing in industrial settings.

The MI 3143 can be controlled via one of the following devices:

• (A 1522) aMESM App; an advanced electrical installation safety Testing tool for Android devices
  • (Metrel aMESM Android PRO P 1102-AND licence key integrated in instrument)
• (MI 3152) EurotestXC Multifunction Tester
• (MI 3155) EurotestXD Insulation Resistance Tester
• (MI 3325) MultiServicerXD Multifunction/Machine Tester

Metrel MI 3143 Key Features:

• Portable, battery (Li-ion) or mains powered test instrument
• High precision 4-wire 220 A Z Line and Z Loop Impedance Tester
• High range impedance measurements in 440 V / 16 ... 420 Hz AC Networks
• High current dR 300 A 4-wire Partial Voltage drops
• Ground Fault Analysis with Contact, Touch and Step voltage
• Floating voltmeter for partial contact results
• Selectable test load (33.3 % 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)

Metrel MI 3143 Applications:

• Live Power Transformer Hi Precision 4-wire 220A Z Line / Loop Impedance Testing
• Partial voltage drops resistances
• High Current dR 300A Integrity of Grounding system
• Earth Potentials by method of measuring Step, Touch and Transfer voltages
• Automatic trip-out protection evaluation in case of faults in transformers, generators, turbines, contactors, distribution boards and switchyards whenever energetic loads and sources of protection exceed 200 A
• Power transformer and motor winding measurement
• Contact voltage measurement
• High current injection ground fault simulation

What comes with the Metrel MI 3143 Standard Set?

• MI 3143 Euro Z 440 V Transformer/HV Equipment Tester
• Mains cable
• RS232-PS/2 cable
• 2 x Test leads 2-wire
• 2 x Crocodile clips (black)
• 2 x Crocodile clips (red)
• 2 x Test probes (black)
• 2 x Test probe (red)
• Metrel aMESM Android PRO P 1102-AND licence key integrated in instrument
• Short instruction manual
• Calibration certificate
• Protective bag for accessories (mounted on the case)