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Megger MTO106 Transformer ohmmeter
Megger MTO106 Transformer ohmmeter
The Megger MTO106 transformer ohmmeter is an easy-to-use device designed for precise winding resistance measurement in smaller transformers in the field. It offers two channels and a versatile measurement range, providing accurate results for most power transformers, reactors, and instrument transformers. Additionally, users can adjust the test current across five settings to suit different transformer sizes.
The MTO106 transformer ohmmeter is built for easy operation, minimizing the requirement for extensive training. It has a straightforward control system with a single selector to adjust the test current and a button to initiate the testing cycle. The device comes with 10-meter test leads and Kelvin clamps, allowing for a single connection during testing, which is particularly beneficial for pole-mounted transformers.
Megger MTO106 Key Features
- Entry level transformer ohmmeter
- 2 channels with max 6 A current output
- ±0.25 % measurement accuracy
- 48 V test voltage for fast saturation of transformers
- Multimeter type operation, intuitive and fast
- Safety through automatic, passive discharge circuitry
- True portability – compact size and low weight
Megger MTO106 Specifications
| CATEGORY | DETAILS |
|---|---|
| Application Field | High-voltage substations, industrial environments |
| Operating Temperature | -20°C to +50°C (-4°F to +122°F) |
| Storage & Transport Temperature | -50°C to +70°C (-58°F to +158°F) |
| Humidity (Operating) | 0% – 90% RH, non-condensing |
| CE-marking | LVD 2014/35/EU, EMC 2014/30/EU, RoHS 2011/65/EU |
| Mains Voltage | 100-240 V AC, 50/60 Hz |
| Input Power | 400 VA (max) |
| Case | Ruggedized plastic, IP 67 when closed |
| Dimensions | 360 x 304 x 194 mm (14.2 x 12 x 7.6 in.) |
| Weight | 7.3 kg (16 lbs) excluding cables |
| Display | 4-inch, backlit, monochrome alphanumeric |
| Test Leads | 2 x 10 m (33 ft), with banana connectors and Kelvin clamps |
| Ground Lead | 1 x 5 m (16 ft), 2.5 mm² |
| Measurement Range | 10 µOhm to 30 kOhm |
| Resolution | Up to 4 digits |
| Open Circuit Test Voltage | Up to 48 V DC |
| Measurement Voltage | Up to 20 V DC |