150 to 300W Series Programmable DC Electronic Load
User Guide
OVERVIEW
- HT8XXX load is a precision programmable DC electronic load controlled by a high-performance microprocessor. It uses a 3.5-inch TFT true-color LCD display with a 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, and loop oscillation protection. HT8XXX series E-load supports RS232, LAN, USB and analog interfaces to fit your versatile solution and testing needs.
4 basic working modes CC/CV/CR/CW and 11 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
- TIMING _me measurement function
- OVP over-voltage protection mode
- AUTO mode
- LIST function
- LED (HP8151 has no LED mode)
FEATURES
- 500kHz high-speed voltage, current sampling rate
- High-precision voltage and current measurement
- Fast loop response speed and current slew rate Programmable single step up to 10μS
- Equipped with remote four-wire compensation
- Unique real-time display of current ripple and voltage ripple
- Real-time display of load power and resistance
APPLICATION

SPECIFICATION
| Model | HT8151 | HT8151A | HT8151B | HT8201 | |||||||
| Inputvottage | 15V | 150V | 15V | 150V | 50V | 500V | 15V | 150V | |||
| input current | 3A | 30A | 3A | 30A | 1.5A | 15A | 3A | 30A | |||
| input power | 150W | 200W | |||||||||
| Min.operationvdtage | 1.5V@30A | 7.5VaT 5A | 1.5Va30A | ||||||||
| Min risetirne@ FS current | 10us | ||||||||||
| CV mode | |||||||||||
| Range | 15V | 150V | 15V | 150V | 50V | 500V | 15V | 150V | |||
| Resolution | 0.2mV | 2m | 0.2mV | 2mV | 0.7mV | 7mV | 0.2mV | 2mV | |||
| Accuracy | ±(0.05%+0.025%FS) | ||||||||||
| CC mode | |||||||||||
| Range | 3A | 30A | 3A | 30A | 1.5A | 15A | 3A | 30A | |||
| Resolution | 0.04mA | 0.4mA | 0.04mA | 0.4mA | 0.02mA | 0.2mA | 0.04mA | 0.4mA | |||
| Accuracy | ±(0.05%+0.05%FS) | ||||||||||
| CR mode | |||||||||||
| Range | 0.10 -7.5k0 | I | 0.1O-7.5k0 | 0.10-7.5k0 | I | 0.1O-7.5k0 | |||||
| Resolution | 16Bits | ||||||||||
| Accuracy | ±0.1% | ||||||||||
| CW mode | |||||||||||
| Range | 150W | I | 200W | ||||||||
| Resolution | 16Bits | ||||||||||
| Accuracy | t (0.1%+0.1%FS) | ||||||||||
| LED mode | |||||||||||
| bandwidth | 100kHz0,..t | ||||||||||
| Rd coefficient | 0.001-1 | ||||||||||
| Dynamic mode | |||||||||||
| Ta&Tb | 10uS-50s | ||||||||||
| Min. resolution | 10us | ||||||||||
| Mill. rise time | 1.5A/us | 1.5A/us | 0.8A/us | 1.5A/us | |||||||
| Read-back voltage | |||||||||||
| Range | 15V | 150V | 15V | 150V | 50V | 500V | 15V | 150V | |||
| Resolution | 0.1 mV | 1mV | 0.1 mV | 1mV | 0.3mV | 3mV | 0.1mV | 1mV | |||
| Accuracy | ±(0.025%+0.025%FS) | ||||||||||
| Read-back current | |||||||||||
| Range | 3A | 30A | 3A | 30A | 1.5A | 15A | 3A | 30A | |||
| Resolution | 0.02mA | 0.2mA | 0.02mA | 0.2mA | 0.01 mA | 0.1mA | 0.02mA | 0.2mA | |||
| Accuracy | t(0.05%+0.05%FS) | ||||||||||
| Read-back Ripple | |||||||||||
| Range(R/I) | 150V/30A | I 500V/15A | I | 150V/30A | |||||||
| bandwidth | 10Hz-250kHz | ||||||||||
| Accuracy | ±1% | ||||||||||
| Protection range | |||||||||||
| Over-pmerprotection | 158W | 210W | |||||||||
| Over-cunentprotedion | 32A | 16A | 32A | ||||||||
| Over-voltage protection | 158V | 525V | 158V | ||||||||
| Over-temperature protection | -;85°C | ||||||||||
| Specification | |||||||||||
| Dimension (D*W*1-1) | 358mm*214mm”88mm | ||||||||||
| Gross Weight | 3.8K9 | ||||||||||




















