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

EZCT-S2A

Current Transformer Test Set

 
       

The EZCT S2A is Vanguard’s third-generation, microprocessor-based, current transformer test set. The EZCT S2A can perform the current transformer (CT) excitation, CT current-ratio, and winding polarity tests automatically. The EZCT S2A automatically raises and lowers the excitation test voltage without any operator intervention. With up to 1500 Vac excitation test voltage available, the EZCT S2A can easily perform excitation tests on very large CT’s.

  • Perform Saturation, Ratio and Polarity Tests
  • Fully Automated
  • Comprehensive Graphic and Tabulated Test Reports
  • Plot Multiple Saturation Curves
  • Store up to 128 CT test plans
  • Store up to 10 test definitions in each test plan
  • RS-232C and USB computer interfaces
  • Built-in 4.5 inch thermal printer
  • USB Flash drive interface
       

EZCT-S2A

Cables

 
       
       

EZCT-S2A

Technical Specifications

 
       
TYPE Portable current transformer test set
PHYSICAL SPECIFICATIONS 16.8”W x 12.6”H x 12”D  (42.7 cm x 32 cm x 26.9 cm); Weight: 55 lbs (25 kg)
INPUT POWER 100 – 120 Vac or 200 – 240 Vac (factory pre-set), 50 Hz/60 Hz
MEASUREMENT METHOD IEC 60044-1, IEC 61869, ANSI/IEEE C57.13.1, and ANSI/IEEE C57.12.90
OUTPUT TEST VOLTAGES 0 – 50 Vac @ 10A max, 0 – 250 Vac @ 10A max
0 – 500 Vac @ 5A max, 0 – 1500 Vac @ 1.2A max
VOLTAGE READING RANGE 0 – 2,200 Vac; Accuracy: ±1.0% of reading, ±1 volt
CURRENT READING RANGE 0 – 10A; Accuracy: ±1.0% of reading, ±0.02A
CURRENT-RATIO RANGE 0.8 – 999: 0.1%, 1000 – 1999: 0.3%, 2000 – 5000: 1%
PHASE ANGLE MEASUREMENT 0 - 360 degrees; Accuracy: ±1.0 degree
DISPLAY Back-lit LCD Screen (240 x 128 dot graphic; 114mm x 64mm);
viewable in bright sunlight and low-light levels
PRINTER Built-in 4.5-inch wide thermal printer
COMPUTER INTERFACES One RS-232C port (115k baud), one USB port
EXTERNAL DATA STORAGE One USB Flash drive interface port
(Flash drive not included)
PC SOFTWARE Windows® XP/Vista-based CT Analysis software is included with purchase price
INTERNAL TEST RECORD STORAGE Stores 140 test records. Each test record may contain up to 10 sets of excitation 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
ENVIRONMENT Operating: -10˚ to 50˚ C (15˚F to +122˚ F);
Storage: -30˚ C to 70˚ C (-22˚F to +158˚ F)
CABLES Two 20-foot X cable sets, One 35-foot H cable set, power cord, One cable-carrying duffel bag
WARRANTY One year on parts and labor
Specifications are valid at nominal voltage and ambient temperature of +25˚C (+77˚F).
Last updated on February 10, 2010

 

       

Field Pictures

   
       
EZCT S2A Demo at Botswana Power Corporation