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Vanguard Instruments Company, Inc., Electronic Testing Equipment, Ontario, CA
       

EZCT-2KA

Current Transformer Test Set

 
       
9118-UC [110V]
9119-UC [220V]

The EZCT-2KA is Vanguard’s third-generation microprocessor-based current transformer test set. The EZCT-2KA can perform the current transformer (CT) excitation test, measure the CT winding resistance and CT current-ratio automatically. All of the EZCT-2KA’s test leads can be connected to the CT output terminals (X1, X2, X3, X4 and X5), eliminating the need for lead switching during testing. Test voltage output is automatically raised and lowered by the EZCT-2KA without any operator intervention. With up to 2000 Vac excitation test voltage available, the EZCT-2KA can easily perform excitation tests on very large CT’s.

  • Perform Saturation, Ratio and Polarity Tests
  • Perform CT Winding Resistance Test
  • Fully Automated
  • Test record header information including company, substation name, circuit ID, manufacturer, CT serial number, operator name, and test record-comments
  • Plot Multiple Saturation Curves
  • Store 1,000 Records (Each test record may contain up to 10 sets of excitation, resistance, and ratio data)
  • USB and Bluetooth computer interface
  • USB Flash drive interface
  • Furnished with full set of test leads
       

EZCT-2KA

Cables

 
       
       

EZCT-2KA

Technical Specifications

 
       
TYPE Portable current-transformer test set
PHYSICAL SPECIFICATIONS Dimensions: 17”W x 12.5”H x 12”D (42.7 cm x 32.0 cm x 26.9 cm)
Weight: 48 lbs (21 Kg)
INPUT POWER 100 – 120 Vac or 200 – 240 Vac (factory pre-set), 50/60 Hz
MEASUREMENT METHOD IEC 60044-1, IEC 61869, ANSI/IEEE C57.13.1, and ANSI/IEEE C57.12.90
CURRENT RATIO RANGE 0.8 – 999: ±0.1%,
1000 – 1999: ±0.3%,
2,000 – 4,999: ±1%,
5,000 – 10,000: ±1.5%
OUTPUT TEST VOLTAGES 0 – 50 Vac @ 10A max,
0 – 300 Vac @ 8A max,
0 – 500 Vac @ 5A max,
0 – 1,200 Vac @ 2A max,
0 – 2,000 Vac @ 1.2A max
RESISTANCE MEASUREMENT Range: 100 µΩ to 20 Ω; resolution: 1 µΩ
Accuracy: 100 µΩ – 1.99 Ω (2% of reading ±10 µΩ), 2 Ω – 20 Ω (1.5% of reading ±2 mΩ)
VOLTAGE READING RANGE 0 – 2,200 Vac; accuracy: ±1.0% of reading, ±1 volt
CURRENT READING RANGE 0 – 10 A; accuracy: ±1.0% of reading, ±0.02A
DISPLAY back-lit LCD screen (240 x 128 pixels)
viewable in bright sunlight and low-light levels
PHASE ANGLE MEASUREMENT 0 – 360 degrees; accuracy: ±1.0 degree
PRINTER built-in 4.5” wide thermal printer
COMPUTER INTERFACES one USB port, bluetooth
PC SOFTWARE Windows®-based CT analysis software is included with purchase price
EXTERNAL DATA STORAGE One USB Flash drive interface port (Flash drive not included)
INTERNAL TEST RECORD STORAGE stores 1,000 test records. Each test record may contain up to 10 sets of excitation, resistance and ratio data
INTERNAL TEST PLAN STORAGE stores 128 test plans. Each test plan can store 10 excitation test voltage and current settings
SAFETY designed to meet UL 61010A-1 and CAN/CSA C22.2 No. 1010.1-92 standards
TEMPERATURE Operating: -10˚ to 50˚ C (15˚F to +122˚ F);
Storage: -30˚ C to 70˚ C (-22˚F to +158˚ F)
HUMIDITY 90% RH @ 40°C (104°F) non-condensing
ALTITUDE 2,000 m (6,562 ft) to full safety specifications
CABLES one 20-foot (6.10m) X cable sets, one 35-foot (10.69m) H cable set, power cord, USB cable, cable carrying bag
OPTIONS shipping case
WARRANTY one year on parts and labor
Specifications are valid at nominal voltage and ambient temperature of +25˚C (+77˚F).
Last updated on April 14, 2016