Project Description

Overview
The HT9811-200W-150V-35A programmable DC electronic load is equipped with four core operating modes: constant current (CC), constant resistance (CR), constant voltage (CV) and constant power (CP). It also integrates advanced functions including auto-test, dynamic test, over-current test and timing sequence test. Featuring a new large touchscreen combined with physical keys and an adjustment knob, the device eliminates the complexity of traditional parameter configuration and cumbersome operation. Operators can quickly set complex test flows and parameters without frequent interface switching, boosting overall test efficiency. The intuitive display interface effectively prevents setup errors. Standard RS232 and RS485 communication ports are built-in for seamless integration into various automated test equipment (ATE) systems. An external IO trigger interface is also reserved for external signal linkage.
Features
Four core operating modes: CC / CV / CR / CP
Auto-test & list sequence test functions
Dynamic mode up to 50kHz
High measurement resolution: 0.1mV for voltage, 0.1mA for current
Dedicated battery test function
OCP (Over-Current Protection) test & remote sense measurement
Built-in short-circuit simulation function
CR mode dedicated for LED testing
Voltage & current ripple measurement capability
Power-off parameter memory retention
Storage capacity for 100 groups of test parameters
Standard RS232 & RS485 communication interfaces
APPLICATION

SPECIFICATIONS
| Parameter | 200W-150V-35A | ||
| Nominal Value | Power | 200W | |
| Voltage | 0-15V | 0-150V | |
| Current | 0-3.5A | 0-35A | |
| Min op volt | 0.3A at 3.5A | ||
| 3V at 35A | |||
| CV Mode | Range | 0-15V | 0-150V |
| RES. | 0.1mV | 1mV | |
| Accuracy | ±(0.05%+0.025%FS) | ||
| CC Mode | Range | 0-3.5A | 0-35A |
| RES. | 0.01mA | 0.1mA | |
| Accuracy | ±(0.05%+0.05%FS) | ||
| CR Mode | Range | 0.047Ω~7.5KΩ | |
| RES. | 16bit | ||
| Accuracy | (0.1+0.01R)% | ||
| CW Mode | Range | 200W | |
| RES. | 1mW | 10mW | |
| Accuracy | ±(0.1%+0.2%FS) | ||
| DYNA | Time | 10uS-50S | |
| Accuracy | 2uS | ||
| Slope | 0.0003-3A/uS | ||
| MEAS RANGE | |||
| VOLT MEAS | Range | 0-15V | 0-150V |
| RES. | 0.1mV | 1mV | |
| Accuracy | ±(0.025%+0.025%FS) | ||
| CURR MEAS | Range | 0-3.5A | 0-35A |
| RES. | 0.01mA | 0.1mA | |
| Accuracy | ±(0.05%+0.05%FS) | ||
| POW MEAS | Range | 200W | |
| RES. | 1mW | 10mW | |
| Accuracy | ±(0.1%+0.2%FS) | ||
| PROTECT RANGE | |||
| OPP | ≈210W | ||
| OCP | ≈3.5A | ≈35A | |
| OVP | ≈15.75V | ≈157.5V | |
| OTP | ≈85℃ | ||
| SHORT | CC | ≈3.5A | ≈35A |
| CV | ≈0.3V~3V | ||
| CR | ≈80mΩ | ||
| INP RES | 150KΩ | ||
| Size&Weight | |||
| SIZE(W*H*D) | 215mm*103mm*390mm | ||
| Weight | 4.3kg | ||
CONTROL SOFTWARE

SIZE OF ELECTRONIC LOAD
