美国vanguard EZCT-2000C Plus电流互感
美国vanguard EZCT-2000C Plus电流互感器测试仪Current Transformer Test Set
The EZCT-2000C Plus is Vanguard’s third-generation microprocessor-based current transformer test set. Designed specifically for CT testing, the EZCT-2000C Plus 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 CT’s load burden
Standalone or computer-controlled via USB or Bluetooth wireless interface
The EZCT-2000C Plus’ 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
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EZCT-2000C Plus
Cables
 
       
Cable Part Number
[8000-0005] USB Cable [ 6' (1.83m) ] 8000-0005
[8000-0006] RS-232C Cable [ 6' (1.83m) ] 8000-0006
[8000-0016] Power + Ground Combination Cable 8000-0016
[8000-0105] H Cable Set (Metal Type) [ 35' (10.67m) ] 8000-0105
[8000-0108] X Cable Set [ 20' (6.10m) ] 8000-0108
[8000-0109] Megger Cable Set + Current Cable Set Combo (20' + 8') 8000-0109
[8000-0143] EZCT H Cable Set (Plastic Type) [ 35' (10.67m) ] 8000-0143
[8000-0157] EZCT H Cable Set (with Banana Jacks) [ 35' (10.67m) ] 8000-0157
       
EZCT-2000C Plus
Technical 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 ANSI/IEEE C57.12.90 and ANSI/IEEE C57.13.1 standards
 TEST OUTPUT 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
CURRENT SOURCE 1 – 20A @ 0 – 15 Vac
CURRENT SOURCE DISPLAY Test current and current on-time
VOLTAGE READING RANGE 0 – 2,200 Vac; Accuracy: ±1.0% of reading, ±1 V
CURRENT READING RANGE 0 – 10A; Accuracy: ±1.0% of reading, ±0.02A
CT CURRENT RATIO RANGE 0.8 – 999: 0.1%; 1000 – 1999: 0.3%; 2,000 – 5,000: 1%
PHASE ANGLE MEASUREMENT 0 – 360 degrees; Accuracy: ± 1.0 degree)
RESISTANCE READING RANGE 100 micro-ohms – 10 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 USB port and Bluetooth wireleass interface
EXTERNAL DATA STORAGE One USB Flash drive interface port (Flash drive not included)
PC SOFTWARE WINOOWs?-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, 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°C 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 cable set (X1-X5), one 35-foot H cable set, current source cables, insulation test cables, power cord, ground cable. A transportation case is included with the purchase price
WARRANTY One year on parts and labor
Specifications are valid at nominal voltage and ambient temperature of +25?C (+77?F).
Last updated on July 19, 2013


美国vanguard EZCT-S2A电流互感器测试仪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
 
       
Cable Part Number
[8000-0005] USB Cable [ 6' (1.83m) ] 8000-0005
[8000-0006] RS-232C Cable [ 6' (1.83m) ] 8000-0006
[8000-0016] Power + Ground Combination Cable 8000-0016
[8000-0105] H Cable Set (Metal Type) [ 35' (10.67m) ] 8000-0105
[8000-0106] EZCT X Cable Set (Metal Type) [ 20' (6.10m) ] 8000-0106
       
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 ANSI/IEEE C57.12.90, IEC 60044-1 and ANSI/IEEE C57.13.1
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 WINOOWs? 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, 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)
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