The Vanguard Instruments TRM-203 is a portable three-phase transformer winding resistance meter. It’s designed to measure the resistance of transformer windings without the need to switch cables between phases.
Key Features:
Applications:
Resources:
Key Features:
- Three-Phase Testing:Â Measures all three phases simultaneously.
- Individual Winding Resistance:Â Can measure individual delta and wye winding resistances.
- Demagnetization:Â Demagnetizes the transformer after testing.
- Adjustable Test Current: Selectable test current from 1A to 25A.
- Wide Resistance Range: Measures resistance from 1 micro-ohm to 2000 ohms.
- Micro-ohm Meter Functionality: Can be used as a micro-ohm meter for measuring EHV circuit breaker contact resistance.
- PC Connectivity: Connects to a PC via RS-232C, USB, or Bluetooth for data transfer and control.
- Data Storage:Â Stores test records internally and on USB flash drives.
- Built-in Printer:Â Prints test results.
Applications:
- Transformer maintenance and testing
- Circuit breaker contact resistance measurement
- Other low-resistance measurement applications
Resources:
