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Megger
Megger Automated Six-winding Transformer Ohmmeter
Model No :
Megger MTO330
Part Code :
MTO330A

Overview

The Megger's MTO3XX series delivers full eight-terminal/six-winding resistance measurement capability. It is designed to save time by testing all six windings without having to disconnect and reconnect leads.

Features
- One-time connection principle results in a 4xfaster setup time eliminating over 70% of safety risk*
- Automated eight-terminal/six-winding measurement capability
- Interchangeable lead set with the Megger 3-phase series of TTRs
- Simultaneous winding magnetization for fast and accurate dc winding resistance measurements of high inductive loads
- Built-in auto-demagnetization
- On-load tap changer operation testing

Major Applications
- Verify factory test readings
- Help locate the presence of defects in transformers such as increased contact resistance in terminal connections and tap-changers
- Check the operation of on-load tap changers

Technical Specifications
- Output: User Selectable Current
- Ranges: 10mA/100mA/1A/2.5A/5.0A/7.5A/10A
- Resistance ranges: 10 microohm to 2000 ohm
- Resolution: 0.000001 ohm
- Accuracy: +/-0.25%

General Specifications
- Input Power: 85 to 264 V, 47 to 63 Hz, 720 VA
- Size: 300 mm (12 in.)
- Resolution: 1024 x 768 (XGA)
- Luminance: 1600 nits
- Coating: anti-glare
- Backlight: LED Technology: 4-wire resistive touchscreen
- Memory: 32 GB