High Precision Current Transformer CTA700(700A/100kHz)

High Precision Current Transformer CTA700(700A/100kHz)

CTA SeriesofferingsIt is an ultra-high precision transformer capable of measuring both DC and AC. The current range is from 60A to 2000A, the maximum accuracy is up to 50ppm, the bandwidth is up to 800kHz, and the fluxgate technology is utilized to achieve high precision measurement. With superior linearity characteristics, very low DC offset, low temperature drift characteristics, low insertion loss, strong anti-interference performance, low noise and other characteristics. Widely used in industrial, medical, laboratory and other occasions.

SKU:CTA700 Categories. , Brand.

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Product Specification

Measuring conditions: Temperature: 25°C; Supply voltage: ±Uc = ±15V

f.s.: full scale value

Model No. CTA60 CTA200 CTA400 CTA700 CTA1000 CTA2000 CTA2000B
Maximum measured continuous DC current IPN DC 60A 200A 400A 700A 1000A 2000A 2000A
Maximum measured continuous RMS current IPN 42A 141A 282A 495A 707A 2000A 2000A
Measured current range IPM ±60A ±200A ±400A ±700A ±1000A ±2000A ±2000A
Current transfer ratio KN 1:600 1:1000 1:2000 1:1750 1:1000 1:2000 1:2000
Output current IS ±100mA ±200mA ±200mA ±400mA ±1000mA ±1000mA ±1000mA
Precision (DC) ≤± (100ppm f.s. ±5uA) (0.01%) ≤±(50ppm f.s±3uA) (0.005%)
Bandwidth (±3dB) BW 800kHz 500kHz 100kHz 100kHz 500kHz 140kHz 140kHz
The load resistance RM (over the entire

Measurement of current, temperature, operating

(within voltage range)

RM min RM max RM min RM max RM min RM max RM min RM max RM min RM max RM min RM max RM min RM max
0 60Ω 0 30Ω 0 2.5Ω 0 2.5Ω 0 0 0
Refer to Figure 1 Refer to Figure 2 Refer to Figure 3 Refer to Figure 4 Refer to Figure 5 Refer to Figure 6
Maximum overload capacity

@100ms for single pulse

±300A ±1000A ±2000A ±3500A ±4000A ±10kA
Supply Voltage ±15V (±5%)
Supply Current ≤80mA+IS ≤150mA+IS
Rated Working Voltage

RMS

(IEC61010-1)

Basic insulation 2000V 2000V 2000V 1600V 300V 1000V
Beinforced insulation 600V 600V 600V 300V 150V 300V
Maximum measuring aperture 26mm 26mm 26mm 30mm 30mm 70mm 80mm
secondary interface D-Sub-9Pin
Fixing screws and tightening torques M4 stainless steel screw*4;2.8Nm

M5 stainless steel screw*2;3.7Nm

M5 stainless steel screw*4;3.7Nm

M6 stainless steel screw*2;4.4Nm

M5 stainless steel screw*4;3.7Nm

 

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High Precision Current Transformer CTA700(700A/100kHz)High Precision Current Transformer CTA700(700A/100kHz)

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