ATRI-3 Catalog

Key Features & Introduction

• Application
• 21F25
• Smart Solution Makes You SMARTER
• 1- 16X2 Jumbo LCD Display (Color Bluemoon)
• 2- Sensing and Excitation Terminal for LT
• Voltage
• 3- Sensing Terminal for HT Voltage
• 4- Phase Selector Knob
• 5- ON/OFF Switch for applying test voltage
• 6- LED indication for excitation
• 7- Aux. ON./OFF Switch
• 8- 4X4 Keypad
• 1- Automatic Turns Ratio Meter (ATRI-201)
• 2- Single Phase Turns Ratio Instrument (TRI-1)
• 3- Transformer Winding Resistance Meter (TRM-1A)
• 3. Aux. Supply - 230V AC ± 20%
• 1. Type Selection :
• It is used to select the transformer type
• y-Y OR y-D
• 2. Test Supply Fuse :
• 1A Fuse is incorporated with in fuse holder for
• protection.
• 21F25
• 1.000 to 200.0
• Turns-Ratio Range
• Class 0.1
• 500mA
• 230V AC ± 20%
• Vector Group Supported YNyn0 & Dyn11
• 3-phase, no clip changes
• Phase Testing
• One set, 10 m length
• Test Cable
• 2.2V AC @ 100Hz
• Accuracy Class
• Excitation Voltage
• Max. Excitation Current
• Auxiliary Supply