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The EZCT-2000C is Vanguard’s third-generation microprocessor-based current transformer test set
Designed specifically for CT testing, the EZCT-2000C has the following outstanding features that can greatly increase productivity and save time during the commissioning stage:
- Performs CT excitation, current-ratio, polarity, and phase angle tests
- Measures insulation resistance and winding resistance of the CT secondary windings
- Measures the CTs load burden
- Standalone or computer-controlled via USB or Bluetooth wireless interface
The EZCT-2000Cs test leads can be connected to all the CT output terminals, and the complete CT test can be performed automatically without any operator intervention.
- Performs CT excitation, current-ratio, polarity, and phase angle tests
- Measures insulation resistance and winding resistance of the CT seconday windings
- Measures the CT’s secondary burden
- Test record header information including company, substation name, circuit ID, manufacturer, CT serial number, operator name, and test record-comments
- Built-in 4.5-inch wide thermal printer
- Plot Multiple Saturation Curves
- Stores up to 128 CT test plans and 140 test records internally
- USB, Bluetooth, and USB Flash drive interface
Specifications:
TYPE – Portable current-transformer test set
PHYSICAL SPECIFICATIONS – 19″W x 13″H x 16″D (48.3 cm x 33cm x 40.1 cm); Weight: 73 lbs (33.1 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
OUTPUT TEST VOLTAGES – 0 – 50 Vac @ 10A max, 0 – 300 Vac @ 10A max, 0 – 500 Vac @ 5A max, 0 – 1200 Vac @ 1.2A max, 0 – 2000 Vac @ 1A 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%, 2,000 – 4,999: ±1%, 5,000 – 10,000: ±1.5%
PHASE ANGLE MEASUREMENT – 0 – 360 degrees, Accuracy: ±1.0 degree
RESISTANCE READING RANGE – 100 micro-ohms – 30 ohms; Accuracy: 2% of reading, ± 1 count, ± 10 micro-ohms
INSULATION RESISTANCE READING RANGE – 2 Mega-ohms – 500 Mega-ohms; Accuracy: 3% of reading, 500 – 1000 Vdc test voltage
DISPLAY – Back-lit LCD Screen, 240 x 128 pixels; 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
INTERNAL TEST RECORD STORAGE – Stores 140 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
ENVIRONMENT – 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 – 2,000m (6,562 ft) to full safety specifications
Documentation:
Equipment Brochure
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