More information about product on website :http://www.xaapt.com/2012/0921/19.html
1.Test Sets Composed of:

High Accuracy CT site Calibrating Test Sets are composed of seven items as below:

Instrument Transformer Tester, Model ITC-C,

Standard reference CT, Model HL-62CS

Current load box ,model FY-96, two piece, 1A one piece, 5A one piece

Current Injection, model SL-7

Test console,model TC-20

Current cable set

Software is simple, used for upload data to computer.



2.Description:

The test set used for CT site calibration at power frequency state. The tested CT accuracy can reach up to 0.02S.

The test method apply for IEC60185



3.Product Features:

Adopting differential measurement principle for ITC-C;

ITC-C can be tested for CT or PT;

Automatic sampling at test point

Automatic identification of the polarity fault and the ratio mistake.



4.Technical Specifications:



Instrument Transformer Tester, Model ITC-C

Input: Power Frequency: 50Hz±0.5Hz, Power Voltage: 220V±5V

Range

² Ratio Error (%): 0.0001 ~ 200.0 resolution 0.0001

² Angle measure (°): 0.001 ~ 700.0, resolution 0.001

² Resistance measure: (Ω): 0.0001 ~ 20.0 resolution 0.0001

² Lead-time (ms): 0.0001 ~ 20.0 resolution 0.0001

Basic Error

² Ratio error: ΔX=±(X×2%+Y×2%)±Dx (Class 1 option)

² Angle error(º): ∆Y = (Y*2%+X*2%*34.48) ± Dy (Class 1 option)

² “X”、“Y”——Values Displayed

² “Dx, Dy”——Quantified Error Dx=2, Dy=5

Working Range

² Current:（1%－149%）In （In =5A）

（5%－149%）In （In =1A）

² Voltage:（5%－149%）Un （Un =100V，150V，100V/）

（5%－200%）Un （Un =100V/3）

Working Load

² Current: TO to TX＜0.12Ω cosΦ=1.0

² Voltage: a to x＜0.25VA （100V）

Power Consumption

Less than 15VA (without micro-printer), Less than 25VA (with micro-printer)

Harmonic control >40db

Polarity Check/ Indication





Standard reference CT, Model HL-62CS

Rated load : 5VA,1VA PF=1.0

Be allowed to wok long time at rated current ,the wire must be through the core if the current is over 150A.

Standard current ratio:

² Primary：5,7.5,10,15,20,25,30,40,50,60,75,80,100,120,150,160,200,250,300,315,400,

² 500,600,630,750,800,1000,1200,1250,1500,160,2000,2500,3000,3150,4000,5000A

² Secondary：5,1A

Accuracy class：0.02S

Temperature: 5°C ~ 40°C,Humidity: <80%



Test control, model TC20 :

Capacity: 20kVA+500VA (tiny adjusting)

Input voltage: AC 220V±10% 50Hz±1

Output voltage: AC 0～250 V

Input current: 100A

Ambient Temperature: －20℃ to 50℃

Meter accuracy class:1.0

Timing range:0-999S



Primary Current Injector, model SL-7:

Rated capacity:20KVA

Input voltage : 0～250V

Output current: 0～5000A

Surface temperature rise: ＜75 ℃

No-load consumption;＜2%

Continuous working at full-load: 5min

Intermittent working time: 15min



Current Load Box, model FY-96

Power source frequency: 50Hz

Rated capacity :80VA or 60VA

Secondary current:5A or 1A

Measurement range:5%-120%

Power factor:0.8,1

Accuracy class: ±3%

Test voltage:2KV

Temperature: 5°C ~ 40°C

Humidity: <80%(25℃)

Altitude :< 2500m