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MI 3210 TeraOhmXA 10kV HV Insulation Tester

Metrel MI 3210 TeraOhmXA 10kV High Voltage Insulation Tester has been designed to test insulation resistance using high DC test voltages of up to 10 kV.

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Metrel MI 3210 TeraOhmXA 10kV High Voltage Insulation Tester

Metrel MI 3210 TeraOhmXA 10kV is the flagship of the Metrel insulation testers portfolio. It enables insulation testing up to 20 TΩ with test voltage adjustable in small steps. Voltage and frequency measurements reach up to 550 V. The case is very rugged with closed lid IP 64. Capacitance of the measured item can be measured as well and quickly charged before the insulation measurement. High quality shielded cables come as standard, along with and excellent immunity to EM disruptions enable high accuracy in even the noisiest environments. The very high withstanding test voltage makes it particularly appropriate for heavy industry and electrical energetic settings.


Metrel MI 3210 Measuring Functions:

  • Insulation Measurement
  • Diagnostic Test (PI, DAR, DD)
  • Step Voltage Test
  • Withstanding Voltage Test (DC) up to 10 kV
  • Voltage and frequency measurement up to 550 V TRMS


▶ Video: Quick Demonstration of the Metrel MI 3210

Thumbnail for Metrel MI 3210 Video


Metrel MI 3210 Key Features:

  • Insulation resistance up to 20 TΩ
  • Adjustable test voltage (50 V...10 kV) 50 V and 100 V step
  • Programmable timer
  • Capacitance measurement
  • Charging rate for capacitive load < 3 s / µF at 10 kV
  • Automatic discharge of test object after completion of measurement
  • Guard terminal
  • High voltage breakdown detection
  • Custom defined tests
  • Auto adjustment function
  • Measurement  results in numerical and graphical form
  • PC software HVLink PRO for downloading and analysing of the test results and test report printing
  • Isolated RS232 and USB communication ports, BT interface
  • High quality accessories including shielded test leads in standard set
  • High EM interference protection: Input AC current noise rejection (1 mA8600 V) and additional averaging of the result (5, 10, 30, 60)
  • CAT IV / 600 V
  • Mains and rechargeable battery power supply


Metrel MI 3210 Applications:

  • Power transformers
  • Measuring transducers in distribution networks
  • Testing insulation resistance of rotating machinery and cables
  • Production line periodic testing and maintenance
  • Troubleshooting and analysis of all kinds of insulation problems
  • High voltage generators
  • Surge arresters

Because of its robustness and CAT IV protection, plus high immunity to radiated RF fields this unit is best suited for industrial environment.


What comes with the Metrel MI 3210?

  • MI 3210 TeraOhmXA 10kV
  • 10 kV shielded test lead with probe, 2 m
  • 10 kV shielded test lead, 2 m, 2 pcs (black, red)
  • 10 kV crocodile clip, 2 pcs (black, red)
  • Guard test lead, green, 2 m
  • Crocodile clip, green
  • Mains cable
  • PC SW HVLink PRO with USB and RS 232 cable
  • Handbook CD “Guide to modern insulation testing”
  • Instruction manual on CD
  • Calibration certificate


Technical Specification for: Metrel MI 3210 TeraOhmXA 10kV HV Insulation Tester

MI 3210MI 3205
TeraOhmXA 10 kVTeraOhmXA 5 kV
Test voltage range50 VDC … 10 kVDC50 VDC … 5 kVDC
Voltage steps50 V50 V
Insulation resistance measuring range20 TΩ15 TΩ
Calculation of DD, DAR, PI
Withstanding voltage test
Voltage ramp test
Leakage current measurement
Capacitance measurement
Short circuit / charge current5 mA6 mA
Voltage measurement AC / DCup to 600 Vup to 600 V
Other Features
Custom tests
Programmable timer
Automatic discharge after test
Graph R(t)
Bar graph
Auto adjustment function
Auto ranging
Audible warnings
Guard terminal
Shielded test leads
Communication Ports
Memory / Software
Number of memory locations10004 MB
SoftwareHVLink PROHVLink PRO
General Data
Display typeGraphical LCDGraphical LCD
Safety categoryCAT IV / 600 VCAT IV / 600 V
Rechargeable batteries
Built-in battery charger
Low battery indication
Battery life (no load connected)4 h at 10 kV7 h at 5 kV
Weight6.5 kg6.5 kg
Dimensions (mm)345 x 160 x 335345 x 160 x 335
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