CTT series™
Automatic current transformer tester
The CTT™ instrument allows testing ratio, phase shift, polarity, saturation, winding resistance and insulation resistance on protection class current transformers (CT) using the voltage method in compliance with ANSI/IEEE C57.13.1 & IEC 60044-1 standards. Two models are available: CTTx2 for 2 tap transformers, and CTTx5 for 5 tap transformers.
Information
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- High resolution color LCD display
- All automatic sequence
- Rugged designed for field applications
- Large internal memory
- Full keypad
- Built-in printer
- Easy reporting with Report Manager™ software
Contact support@ndbtech.com
Video
Accessories
Burden replacement cable
Perform burden test with your CTTx5 instrument.
Part number: CTT-Burden
Length: 5.5 meters (18 ft)
Ground replacement cable
Use the ground cable to properly ground your CTT instrument.
Part number: NDB-GND-P
Length: 4.5 meters (15 ft)
Primary replacement cable
Connect your CTT instrument to the current transformer’s primary. Comes standard with booster type clamps (red and black).
Part number: CTT-VH1
Length: 10.6 meters (35 ft)
Secondary replacement cable (CTTx5)
Connect your CTTx5 instrument to the current transformer’s secondary (up to 5 taps). Comes standard with crocodile type clips.
Part number: CTT-VX5
Length (CTT-VX5): 6 meters (20 ft)
Secondary replacement cable (CTTx2)
Connect your CTTx2 instrument to the current transformer’s secondary. Comes standard with crocodile type clips.
Part number: CTT-VX2
Length (CTT-VX2): 6 meters (20 ft)
Primary Shielded cable
Connect your CTT instrument to the current transformer’s primary. Comes standard with booster type clamps (red and black). Cables are shielded for better immunity to noise induction.
Part number: CTT-VH1-50S
Length: 15 meters (50 ft)