EZCT-10 Current Transformer Saturation, Ratio and Polarity Test Set

14 000,00 € tax incl.

TheModelEZCT-10isamicroprocessor-based,current-transformer testset.Itperformsexcitation,turns ratio,andwindingpolarityonsingle- andmulti-ratiocurrenttransformers. Currenttransformerscanbetested intheirfield-mountedconfiguration, eliminatingtheneedtoremovethem fromthehostequipment.Theunitsbuilt-in4.5-inchwide thermalprintercanbeusedtoprint testresultsinthefield. TheEZCT-10 supportsstand-alonemodeorcanbe computer-controlled.TheEZCT-10iscapableofoutputting upto10Aexcitationcurrentonthe
50Vac and200Vacrange.

Excitation Test
The CT excitation test is performed using the ANSI/IEEE C57.13.1, IEC 60044-1 test method. The test voltage range for the CT excitation test (50 Vac, 200 Vac, or 1200 Vac) can be selected, and then the test voltage is raised and lowered automatically by the EZCT-10. The test voltage and current data are collected and stored in the unit’s internal memory. Up to 10 CT excitation and current-ratio tests can be stored in one test record. IEEE-30, IEEE-45, ANSI/IEC 60044-1 (10/50) knee point voltages are also calculated and printed on the test
report. Once the test is completed, test results can be printed and excitation curves can be plotted on the built-in 4.5-inch wide thermal printer.

CT Ratio and Polarity Tests
The EZCT-10 determines the CT current-ratio using the ANSI/IEEE C57.12.90 measurement method. A test voltage is applied to the CT’s secondary terminals and the induced voltage is measured through the CT’s H1 and H2 terminals. The CT current-ratio and polarity are displayed on the screen and stored in memory.
The current-ratio measuring range is from 0.8 to 5,000. The CT winding polarity is displayed as a “+” sign (in-phase) or a “-” sign (out-of-phase) and is annotated with the phase angle in degrees.

User Interface and Display
The EZCT-10 features a back-lit LCD screen (4lines by 20characters) that is viewable in both bright sunlight and low-light levels. A rugged, alpha-numeric, membrane keypad is used to control the unit.

Thermal Printer
A built-in 4.5-inch wide thermal printer can print the current transformer test report and plot the excitation curves.


Portable current transformer test set
16.8”W x 12.6”H x 12”D (42.7 cm x 32 cm x 26.9 cm); Weight: 48 lbs (21 kg)
100 – 120 Vac or 200 – 240 Vac (factory pre-set), 50 Hz/60 Hz
ANSI/IEEE C57.12.90, IEC 60044-1  and ANSI/IEEE C57.13.1
0 – 50 Vac @ 10A max, 0 – 200 Vac @ 10A max
0 – 1200 Vac @ 1,5A max, 
0 – 1,250 Vac; Accuracy: ±1.0% of reading, ±1 volt
0 – 10A; Accuracy: ±1.0% of reading, ±0.02A
0.8 – 999: 0.5%, 1000 – 1999: 1%, 1000 – 5000: 2%
0 - 360 degrees; Accuracy: ±1.0 degree
Back-lit LCD Screen (4lines by 20 characters); viewable in bright sunlight and low
light levels
Built-in 4.5-inch wide thermal printer
One RS-232C port (115k baud), one USB port
Windows®  XP/Vista-based CT Analysis software is included with purchase price
Stores 128 test records. Stores 10 test header records. 
Designed to meet UL 61010A-1  and CAN/CSA C22.2 No. 1010.1-92   standards
Operating: -10˚ to 50˚ C (15˚F to +122˚ F); Storage: -30˚ C to 70˚ C (-22˚F to +158˚ F)
90% RH @ 40˚C (104˚F) non-condensing
2,000m (6,562 ft) to full safety specifications
Two 20-foot X cable sets, One 35-foot H cable set, power cord, One cable-carrying duffel bag
One year on parts and labor

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