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Vanguard EZCT-2KA Current Transformer Test Set

Vanguard EZCT-2KA Current Transformer Test Set

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Product Overview: Vanguard EZCT-2KA Current Transformer Test Set

The Vanguard 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.

Vanguard EZCT-2KA Features:

·         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

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

ANSI/IEEE C57.12.90 and ANSI/IEEE C57.13.1 standards

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

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