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- HT8802-M seriesload is a precision programmable DC electronic load controlled by a high-performance microprocessor.
- 5-inch TFT true color LCD display with Chinese and English menu.
- Offers 4 basic working modes (CC/CV/CR/CW) and 10 functional modes.
- With comprehensive protection, over-heat protection, over-current protection, over-power protection, over-voltage protection, loop oscillation protection.
- Rich interfaces configuration. LAN, USB and analog interfaces to fit your versatile solution and testing needs.
4 basic working modes CC/CV/CR/CW and 10 functional modes multiple extended function modes:
- Short test function
- DYNA dynamic test function
- OCP over current protection mode
- BATT battery mode
- EFFT load effect mode
- SWEEP dynamic frequency conversion scanning function
- TIMEING measurement function
- OVP over voltage protection mode
- AUTO mode
- LIST function
- Timing test mode.
- OVP over voltage protection mode

Technical parameters
| Model | HT8802 | HT8802B | HT8802C | |||
| Input voltage | 15V | 150V | 50V | 500V | 15V | 150V |
| Input current | 24A | 240A | 12A | 120A | 50A | 500A |
| Input power | 8000W | |||||
| Min.operation voltage | 1.5V@240A | 2V@120A | 1.5V@500A | |||
| Min rise time@ FS current | 100us | 100us | 100us | |||
| CV mode | ||||||
| Range | 15V | 150V | 50V | 500V | 15V | 150V |
| Resolution | 0.2mV | 2mV | 0.7mV | 7mV | 0.2mV | 2mV |
| Accuracy | ±(0.05%+0.05%FS) | |||||
| CC mode | ||||||
| Range | 24A | 240A | 12A | 120A | 50A | 500A |
| Resolution | 0.3mA | 3mA | 0.1mA | 1mA | 0.7mA | 7mA |
| Accuracy | ±(0.05%+0.05%FS) | |||||
| CR mode | ||||||
| Range | 0.1Ω~7.5kΩ | 0.1Ω~7.5kΩ | 0.1Ω~7.5kΩ | |||
| Resolution | 16Bits | |||||
| Accuracy | ±0.2% | |||||
| CW mode | ||||||
| Range | 8000W | |||||
| Resolution | 16Bits | |||||
| Accuracy | ±(0.2%+0.2%FS) | |||||
| Dynamic mode | ||||||
| Ta&Tb | 10us~50s | |||||
| Min.resolution | 10us | |||||
| Min. rise time | 2.5A/us | 1A/us | 5A/us | |||
| Read-back voltage | ||||||
| Range | 15V | 150V | 50V | 500V | 15V | 150V |
| Resolution | 0.1mV | 1mV | 0.3mV | 3mV | 0.1mV | 1mV |
| Accuracy | ±(0.025%+0.025%FS) | |||||
| Read-back current | ||||||
| Range | 24A | 240A | 12A | 120A | 50A | 500A |
| Resolution | 0.1mA | 1mA | 0.09mA | 0.9mA | 0.3mA | 3mA |
| Accuracy | ±(0.05%+0.05%FS) | |||||
| Read-back ripple | ||||||
| Range(U/I) | 150V/240A | 500V/120A | 150V/500A | |||
| Bandwidth | 10Hz~250kHz | |||||
| Accuracy | ±1% | |||||
| Protection range | ||||||
| Over-power protection | 8400W | 8400W | 8400W | |||
| Over-current protection | 252A | 126A | 525A | |||
| Over-voltage protection | 158V | 525V | 158V | |||
| Over-temperature protection | ≒85℃ | |||||
| Specification | ||||||
| Dimension (D*W*H) | 720.5mm*483mm*355mm | |||||
| Gross Weight | 80Kg | |||||
| Model | HT8103B | HT8103C | HT8123B | HT8123C | ||||
| Input voltage | 50V | 500V | 15V | 150V | 50V | 500V | 15V | 150V |
| Input current | 24A | 240A | 50A | 500A | 24A | 240A | 50A | 500A |
| Input power | 10kW | 12kW | ||||||
| Min.operation voltage | 1.5V@240A | 1.5V@500A | 2.5V@240A | 1.5V@500A | ||||
| Min rise time@ FS current | 100us | 100us | 100us | 100us | ||||
| CV mode | ||||||||
| Range | 50V | 500V | 15V | 150V | 50V | 500V | 15V | 150V |
| Resolution | 0.7mV | 7mV | 0.2mV | 2mV | 0.7mV | 7mV | 0.2mV | 2mV |
| Accuracy | ±(0.05%+0.05%FS) | |||||||
| CC mode | ||||||||
| Range | 24A | 240A | 50A | 500A | 24A | 240A | 50A | 500A |
| Resolution | 0.3mA | 3mA | 0.7mA | 7mA | 0.3mA | 3mA | 0.7mA | 7mA |
| Accuracy | ±(0.1%+0.1%FS) | |||||||
| CR mode | ||||||||
| Range | 0.1Ω~7.5kΩ | 0.1Ω~7.5kΩ | 0.1Ω~7.5kΩ | 0.1Ω~7.5kΩ | ||||
| Resolution | 16Bits | |||||||
| Accuracy | ±0.2% | |||||||
| CW mode | ||||||||
| Range | 10kW | 12kW | ||||||
| Resolution | 16Bits | |||||||
| Accuracy | ±(0.2%+0.25%FS) | |||||||
| Dynamic mode | ||||||||
| Ta&Tb | 10us~50s | |||||||
| Min.resolution | 10us | |||||||
| Min. rise time | 2.5A/us | 5A/us | 2.5A/us | 5A/us | ||||
| Read-back voltage | ||||||||
| Range | 50V | 500V | 50V | 500V | 50V | 500V | 15V | 150V |
| Resolution | 0.3mV | 3mV | 0.1mV | 1mV | 0.3mV | 3mV | 0.1mV | 1mV |
| Accuracy | ±(0.025%+0.025%FS) | |||||||
| Read-back current | ||||||||
| Range | 24A | 240A | 50A | 500A | 24A | 240A | 50A | 500A |
| Resolution | 0.1mA | 1mA | 0.3mA | 3mA | 0.1mA | 1mA | 0.3mA | 3mA |
| Accuracy | ±(0.05%+0.05%FS) | |||||||
| Read-back ripple | ||||||||
| Range(U/I) | 500V/240A | 150V/500A | 500V/240A | 150V/500A | ||||
| Bandwidth | 10Hz~250kHz | |||||||
| Accuracy | ±1% | |||||||
| Protection range | ||||||||
| Over-power protection | 10500W | 12600W | ||||||
| Over-current protection | 252A | 525A | 252A | 525A | ||||
| Over-voltage protection | 525V | 158V | 525V | 158V | ||||
| Over-temperature protection | ≒85℃ | |||||||
| Specification | ||||||||
| Dimension (D*W*H) | 720.5mm*483mm*355mm | |||||||
| Gross Weight | 88Kg | 96Kg | ||||||
| Model | H T 8143B |
H T 8143C |
H T 8163B |
H T 8163C |
||||
| Input voltage | 50V | 500V | 15V | 150V | 50V | 500V | 15V | 150V |
| Input current | 24A | 240A | 50A | 500A | 24A | 240A | 50A | 500A |
| Input power | 14kW | 16kW | ||||||
| Min.operation voltage | 2V@240A | 1.5V@500A | 2.5V@240A | 1.5V@500A | ||||
| Min rise time@ FS current | 100us | 100us | 100us | 100us | ||||
| CV mode | ||||||||
| Range | 50V | 500V | 15V | 150V | 50V | 500V | 15V | 150V |
| Resolution | 0.7mV | 7mV | 0.2mV | 2mV | 0.7mV | 7mV | 0.2mV | 2mV |
| Accuracy | ±(0.05%+0.05%FS) | |||||||
| CC mode | ||||||||
| Range | 24A | 240A | 50A | 500A | 24A | 240A | 50A | 500A |
| Resolution | 0.3mA | 3mA | 0.7mA | 7mA | 0.3mA | 3mA | 0.7mA | 7mA |
| Accuracy | ±(0.1%+0.1%FS) | |||||||
| CR mode | ||||||||
| Range | 0.1Ω~7.5kΩ | 0.1Ω~7.5kΩ | 0.1Ω~7.5kΩ | 0.1Ω~7.5kΩ | ||||
| Resolution | 16Bits | |||||||
| Accuracy | ±0.2% | |||||||
| CW mode | ||||||||
| Range | 14kW | 16kW | ||||||
| Resolution | 16Bits | |||||||
| Accuracy | ±(0.2%+0.2%FS) | |||||||
| Dynamic mode | ||||||||
| Ta&Tb | 10us~50s | |||||||
| Min.resolution | 10us | |||||||
| Min. rise time | 2.5A/us | 5A/us | 2.5A/us | 5A/us | ||||
| Read-back voltage | ||||||||
| Range | 50V | 500V | 50V | 500V | 50V | 500V | 15V | 150V |
| Resolution | 0.3mV | 3mV | 0.1mV | 1mV | 0.3mV | 3mV | 0.1mV | 1mV |
| Accuracy | ±(0.025%+0.025%FS) | |||||||
| Read-back current | ||||||||
| Range | 24A | 240A | 50A | 500A | 24A | 240A | 50A | 500A |
| Resolution | 0.1mA | 1mA | 0.3mA | 3mA | 0.1mA | 1mA | 0.3mA | 3mA |
| Accuracy | ±(0.05%+0.05%FS) | |||||||
| Read-back ripple | ||||||||
| Range(U/I) | 500V/240A | 150V/500A | 500V/240A | 150V/500A | ||||
| Bandwidth | 10Hz~250kHz | |||||||
| Accuracy | ±1% | |||||||
| Protection range | ||||||||
| Over-power protection | 14700W | 16800W | ||||||
| Over-current protection | 252A | 525A | 252A | 525A | ||||
| Over-voltage protection | 525V | 158V | 525V | 158V | ||||
| Over-temperature protection | ≒85℃ | |||||||
| Specification | ||||||||
| Dimension (D*W*H) | 720.5mm*483mm*530mm | |||||||
| Gross Weight | 120Kg | 128Kg | ||||||
| Model | H T 8183B |
H T 8183C |
H T 8203B |
H T 8203C |
||||
| Input voltage | 50V | 500V | 15V | 150V | 50V | 500V | 15V | 150V |
| Input current | 24A | 240A | 50A | 500A | 24A | 240A | 50A | 500A |
| Input power | 18kW | 20kW | ||||||
| Min.operation voltage | 2V@240A | 1.5V@500A | 2V@240A | 1.5V@500A | ||||
| Min rise time@ FS current | 100us | 100us | 100us | 100us | ||||
| CV mode | ||||||||
| Range | 50V | 500V | 15V | 150V | 50V | 500V | 15V | 150V |
| Resolution | 0.7mV | 7mV | 0.2mV | 2mV | 0.7mV | 7mV | 0.2mV | 2mV |
| Accuracy | ±(0.05%+0.05%FS) | |||||||
| CC mode | ||||||||
| Range | 24A | 240A | 50A | 500A | 24A | 240A | 50A | 500A |
| Resolution | 0.3mA | 3mA | 0.7mA | 7mA | 0.3mA | 3mA | 0.7mA | 7mA |
| Accuracy | ±(0.1%+0.1%FS) | |||||||
| CR mode | ||||||||
| Range | 0.1Ω~7.5kΩ | 0.1Ω~7.5kΩ | 0.1Ω~7.5kΩ | 0.1Ω~7.5kΩ | ||||
| Resolution | 16Bits | |||||||
| Accuracy | ±0.2% | |||||||
| CW mode | ||||||||
| Range | 18kW | 20kW | ||||||
| Resolution | 16Bits | |||||||
| Accuracy | ±(0.2%+0.2%FS) | |||||||
| Dynamic mode | ||||||||
| Ta&Tb | 10us~50s | |||||||
| Min.resolution | 10us | |||||||
| Min. rise time | 2.5A/us | 5A/us | 2.5A/us | 5A/us | ||||
| Read-back voltage | ||||||||
| Range | 50V | 500V | 50V | 500V | 50V | 500V | 15V | 150V |
| Resolution | 0.3mV | 3mV | 0.1mV | 1mV | 0.3mV | 3mV | 0.1mV | 1mV |
| Accuracy | ±(0.025%+0.025%FS) | |||||||
| Read-back voltage | ||||||||
| Range | 24A | 240A | 50A | 500A | 24A | 240A | 50A | 500A |
| Resolution | 0.1mA | 1mA | 0.3mA | 3mA | 0.1mA | 1mA | 0.3mA | 3mA |
| Accuracy | ±(0.05%+0.05%FS) | |||||||
| Read-back ripple | ||||||||
| Range(U/I) | 500V/240A | 150V/500A | 500V/240A | 150V/500A | ||||
| Bandwidth | 10Hz~250kHz | |||||||
| Accuracy | ±1% | |||||||
| Protection range | ||||||||
| Over-power protection | 18900W | 21000W | ||||||
| Over-current protection | 252A | 525A | 252A | 525A | ||||
| Over-voltage protection | 525V | 158V | 525V | 158V | ||||
| Over-temperature protection | ≒85℃ | |||||||
| Specification | ||||||||
| Dimension (D*W*H) | 720.5mm*483mm*530mm | 720.5mm*483mm*705mm | ||||||
| Gross Weight | 136Kg | 150Kg | ||||||
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