Shenzhen Knowhow Technology Co.,limited
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Product Specification
MCTH400A High-precision Current Sensor 0.01% Accuracy Wideband 100kHz Laboratory-grade Isolation Measurement Applicable To Medical new Energy
1. Basic Parameters
Maximum current: 400A (DC/RMS), accuracy of 0.01%, bandwidth of 100kHz, suitable for DC, AC and irregular waveform measurement.
2. High sensitivity and low loss
Current transfer ratio 1:2000, extremely low insertion loss, noise ≤±0.004μA, suitable for laboratory precision instruments or battery pack monitoring.
3. Core technology support
Adopting excitation flux closed-loop control and temperature control compensation technology, the temperature drift is extremely small, ensuring stable operation in the range of -10℃~+70℃.
4. Safety protection design
Power frequency withstand voltage 5kV, insulation resistance＞2000MΩ@500V, support overload Error signal alarm to ensure equipment safety.
5. Application scenarios
Laboratory current calibration, medical equipment (such as MRI), small industrial motor drive and new energy photovoltaic system.
Specifications
| Model | Maximum current | Accuracy | Bandwidth | Current transfer ratio | |
| DC | RMS | ||||
|
MCTH400A |
400A |
400A |
0.01% |
100KHz |
1:2000 |
Electrical properties
| Item | Symbol | Test Conditions | Minimum | Nominal | Maximum | Unit |
| Maximum continuous DC current |
IPN_DC |
- |
400 |
- |
1000 |
Adc |
| Corresponding measurement current range (Arms) |
IP |
- |
400 |
- |
1000 |
Aac |
| Primary-secondary conversion ratio |
KN |
- |
1:2000 |
- |
1:2000 |
- |
| Rated output current (mArms) |
Isn |
Primary rated current |
200 |
- |
500 |
mA |
| Power supply voltage (±5%) |
Vc |
- |
- |
±15 |
- |
V |
| Power consumption |
Ic |
- |
35mA +Is |
- |
35mA +Is |
mA |
| Load resistance (@Vc=±15V) |
RL |
- |
≤50Ω(@Ip=DC400A) |
- |
≤50Ω(@Ip=DC1000A) |
Ω |
| Secondary resistance |
Rs |
- |
≈15 |
- |
≈15 |
Ω |
| Power frequency withstand voltage (50HZ, 1min) |
Vd |
- |
- |
5 |
- |
KV |
| Insulation resistance |
Ri |
- |
- |
＞2000MΩ@DC500V |
- |
Ω |
Accuracy Measurement
| Item | Symbol | Test Conditions | Minimum | Nominal | Maximum | Unit |
| Accuracy (@Ta = +25℃) |
XG |
Input DC, full temperature range |
- |
- |
0.01 |
% |
| Linearity error |
EL |
Full range |
- |
- |
0.005 |
% |
|
Offset current (@Ta =+25℃) |
Ioff |
Full temperature range |
- |
- |
≤|±0.004|μA |
μA |
| Response time |
Tr |
di/dt=100A/μs, rise to 90% IPN |
- |
- |
≤1 |
μs |
| Following speed |
di/dt |
- |
>100 |
- |
>100 |
A/μs |
| Frequency range |
f |
- |
- |
- |
100 |
kHz |
Company Details
Business Type:
Manufacturer
Ecer Certification：
Verified Supplier
Shenzhen Knowhow Technology Co., Ltd. is a high-tech enterprise focusing on the research, development, production and sales of Fume Extractor equipment and industrial Smoke Extractors. The company was founded in Shenzhen, China and is committed to providing efficient and environmentally friend... Shenzhen Knowhow Technology Co., Ltd. is a high-tech enterprise focusing on the research, development, production and sales of Fume Extractor equipment and industrial Smoke Extractors. The company was founded in Shenzhen, China and is committed to providing efficient and environmentally friend...
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