Description
Vanguard EZCT 10
The Vanguard EZCT 10 Current Transformers Test Set is a high-precision instrument designed for testing, calibrating, and verifying the performance of current transformers (CTs) in industrial and utility applications. Engineered for accuracy and reliability, it provides comprehensive measurements including ratio, polarity, burden, excitation, and phase angle, ensuring that CTs operate safely and efficiently.
With its user-friendly interface and robust design, the EZCT 10 allows technicians to perform tests quickly and safely in the field or in the lab. The device supports a wide range of CT ratings and is capable of handling high-current testing with minimal setup. Its portable construction ensures easy transport and deployment across multiple sites.
Ideal for preventive maintenance, commissioning, and troubleshooting, the Vanguard EZCT 10 Current Transformers Test Set ensures precise diagnostics and reliable verification of current transformers, helping utilities and industrial operators maintain optimal system performance.
Key Features:
High-Precision CT Testing – Measures ratio, polarity, burden, excitation, and phase angle accurately.
Wide CT Range Support – Compatible with a variety of current transformer ratings.
High-Current Capability – Performs testing safely and effectively on high-current CTs.
User-Friendly Interface – Simple controls and clear display for quick and accurate testing.
Portable & Rugged Design – Easy to transport and built for field and lab environments.
Rapid Test Setup – Minimal setup required to perform comprehensive CT diagnostics.
Reliable and Safe – Ensures accurate CT verification while maintaining operator safety.
Ideal for Maintenance & Commissioning – Perfect for preventive maintenance, troubleshooting, and system verification.
Specifications
Device Type
• Portable current transformer test set
Dimensions & Weight
• Size: 16.8” W × 12.6” H × 12” D (42.7 × 32 × 26.9 cm)
• Weight: ± 55 lbs (± 25 kg)
Input Power
• 100–120 Vac or 200–240 Vac (factory preset), 50/60 Hz
Measurement Standards
• ANSI/IEEE C57.12.90, IEC 60044‑1, ANSI/IEEE C57.13.1
Output Test Voltage
• 0–50 Vac @ 10 A max
• 0–200 Vac @ 10 A max
• 0–1200 Vac @ 1.5 A max (5 min ON, 10 min OFF)
Measurement Range & Accuracy
• Voltage: 0–1,250 Vac (±1.0 % of reading ±0.5 V)
• Current: 0–10 A (±1.0 % of reading ±0.02 A)
• Current Ratio:
-
0.8–99: ±0.5 %
-
100–999: ±1.0 %
-
1,000–5,000: ±2 %
• Phase Angle: 0–360° (±1.0°)
Display & Printer
• Back-lit LCD (20 characters × 4 lines)
• Built-in 4.5‑inch thermal printer for test reports and excitation curves
Computer Interface
• RS‑232C port, USB port
• Windows® PC software included
Internal Storage
• Stores up to 128 test records, each containing up to 10 excitation & ratio data points
Standards & Safety
• Complies with UL 61010A‑1 and CAN/CSA C22.2 No. 1010.1‑92
Operating Environment
• Operating: –10 °C to 50 °C
• Storage: –30 °C to 70 °C
Cables & Accessories
• 1 set X cables (20 ft), 1 set H cables (35 ft), power cord, ground cable, cable bag
Warranty
• 1 year parts & labor (may vary by distributor)







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