Megger (AVO Biddle)

Megger MTR105

Rotating Machine Tester
100 V, 250 V, 500 V, 1000 V DC Test Voltage Range
Up to 1 TΩ Insulation Resistance Range
0.01 Ω to 2 MΩ Continuity Test Range
200 mA (±20%) Continuity Test Current
Digital LCD with analog bar graph Display Type
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Attribute Value
Test Voltage Range 100 V, 250 V, 500 V, 1000 V DC
Insulation Resistance Range Up to 1 TΩ
Continuity Test Range 0.01 Ω to 2 MΩ
Continuity Test Current 200 mA (±20%)
Display Type Digital LCD with analog bar graph
Power Source 6 x AA (LR6) alkaline batteries
Operating Temperature Range -10°C to +55°C (14°F to 131°F)
Safety Rating CAT IV 600 V / CAT III 1000 V
IP Rating IP54
Weight Approximately 0.9 kg (2.0 lbs) including batteries
Megger MTR105 Options:
  • MTR105 - 1007-464 - Mains charger kit
  • MTR105 - 1012-068 - Hook strap assembly
  • MTR105 - 1012-063 - Soft pouch
  • MTR105 - 1011-929 - Kelvin probe lead set CAT III 600 V
  • MTR105 - 1012-064 - Kelvin probe pins (pack of 4)
  • MTR105 - 1011-928 - Kelvin clip lead set CAT III 600 V
  • MTR105 - 1012-069 - Grabber clip lead set CAT III 100 V, CAT IV 600 V
  • MTR105 - 1012-066 - Test probe set, long reach CAT IV 600 V
  • MTR105 - 1012-065 - Test probe set, long reach, CAT II 1000 V
  • MTR105 - 1012-067 - Temperature probe, T type CAT III 600 V
  • MTR105 - 1012-173 - MTR105 calibration certificate
  • MTR105 - 1012-172 - MTR105 UKAS calibration certificate
  • MTR105 - 1007-157 - SP5 remote probe accessory
Calibration Form Megger MTR105

Repair Form Megger MTR105
Maximum file size: 40MB

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ModelMTR105

The Megger MTR105 is a static motor tester combining advanced insulation resistance tests with DLRO four-wire Kelvin, capacitance, and inductance functions. Its full-colour graphic display, CAT III 600 V safety rating, IP54 protection, and motor rotation features make it an all-in-one handheld solution for motor diagnostics.

With temperature correction for IR, guard terminal support, diode and continuity testing, plus USB data transfer, the MTR105 offers unmatched versatility for industrial motor maintenance and troubleshooting applications.

Testwall can supply the used Megger MTR105, fully tested. With expert support and global delivery, Testwall ensures high-performance instrumentation with unmatched reliability and service quality. Please contact us directly if you need calibration or repair of the Megger MTR105.

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