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 |
General Features
| Item | Symbol | Test Conditions | Minimum | Nominal | Maximum | Unit |
| Operating temperature range | Ta | - | -10 | - | +70 | ℃ |
| Storage temperature range | Ts | - | -25 | - | +80 | ℃ |
| Working humidity (no condensation) | Hw | - | 20 | - | 90 | % |
| Weight | W | - | - | ±600 | - | g |
| Execution standard | St | EN50178 |
| Casing material | Encl | Compliant with UL94-V0 |
Structure Diagram
| Basic dimensional error | ±0.2mm |
| Primary aperture | Φ40.5mm |
| Disc installation | Bottom:4 x Φ4mm,2 x Φ5mm Side:4 x Φ5mm |
| Output terminal | DB9 MALE |
Product Tags:
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MCTH400A High-precision Current Sensor 0.01% Accuracy Wideband 100kHz Laboratory-grade Isolation Measurement Applicable To Medical new Energy Images
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