JH8100D (100 V, 1050 A, 105 kW) Programmable DC Power Supply
Programmable DC power supplies feature low ripple noise, high resolution, and high precision. By employing high‑frequency switching power‑supply technology, they significantly reduce heat generation, lower device losses, improve efficiency, and extend the equipment’s service life. This product series offers simple operation, compact size, high efficiency, exceptional accuracy, and outstanding stability. Fully controlled by a microprocessor (MPU), it can easily interface with a PC via an RS‑232 communication port, meeting users’ needs for automated testing and control. Its software commands fully comply with SCPI and MODBUS standards, enabling users to develop their own automated test and control applications. The software includes advanced features such as LIST output, RAMP output, and a built‑in timer, addressing the demands of industrial digitalization. These power supplies are ideally suited for applications requiring adjustable voltage or current in logic circuits. Standard configurations include RS‑232, RS‑485, LAN, and USB interfaces, facilitating seamless integration into automated test systems. Equipped with a state‑of‑the‑art 4.3‑inch TFT color LCD display, the unit provides comprehensive protection against overvoltage, overcurrent, overheating, and short circuits, ensuring reliable, stable, and secure operation. It is the optimal choice for research institutions, laboratory testing, production‑line product verification, and industrial power‑supply applications.
- Product Description
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I. Overview
Programmable DC power supplies feature low ripple noise, high resolution, and high precision. Leveraging high‑frequency switching power‑supply technology, they significantly reduce heat generation, lower device losses, improve efficiency, and extend the equipment’s service life. This product series offers simple operation, compact size, high efficiency, exceptional accuracy, and outstanding stability. Fully controlled by a microprocessor (MPU), it can easily interface with a PC via an RS‑232 communication port, meeting user needs for automated testing and control. Its software commands fully comply with SCPI and MODBUS standards, enabling users to develop their own automated test and control applications. The software includes advanced features such as LIST output, RAMP output, and a built‑in timer, addressing the demands of industrial digitalization. These power supplies are ideally suited for applications requiring adjustable voltage or current in logic circuits. Standard configurations include RS‑232, RS‑485, LAN, and USB interfaces, facilitating seamless integration into automated test systems. Equipped with a state‑of‑the‑art 4.3‑inch TFT color LCD display, the unit provides comprehensive protection against overvoltage, overcurrent, overheating, and short circuits, ensuring reliable, stable, and secure operation. It is the optimal choice for research institutions, laboratory testing, production‑line product verification, and industrial power‑supply applications.
II. Characteristics
● High accuracy and high resolution: 10 mV/10 mA
● Low ripple and low noise;
● 4.3-inch TFT color LCD display, capable of fully showing the power supply’s status.
● Equipped with an output control switch for greater flexibility in operation.
● Convenient and fast operation and settings interface, with a high-speed adjustment knob and numeric keypad input.
● Comprehensive protection features: overvoltage protection, overcurrent protection, and overtemperature protection.
● One-touch lock feature effectively prevents accidental operation.
● Built-in buzzer for alerts or warnings
● Temperature-controlled fan speed ensures low noise and extended fan life.
● Supports quick recall: 10 sets of stored voltage and current data can be accessed with a single button.
● Power-off storage
● Constant power output, with automatic switching between constant voltage and constant current modes.
● Remote sensing enables compensation for voltage drop along the load line.
● Supports charging profiles for both lithium-ion and lead-acid batteries.
● Displays the load resistance value and features low-resistance measurement capability.
● Triggered Record Data
● Can store and recall 300 sets of voltage, current, and other data; scheduled execution enables simple automated testing.
● Features a timing output function, supporting both unlimited and specified-cycle outputs.
● Supports USB flash drive storage; allows local editing of sequence lists and importing sequence files via the front-panel USB port.
●CC priority effectively suppresses inrush current, protecting the device under test.
● Fuse testing (fuse blow time)
● Pulse testing (voltage or current ramp-up and ramp-down)
● Output Timing (Output Off When Countdown Ends)
● Voltage and current limit alarm (upper and lower threshold detection)
● Customizable voltage rise and fall slopes
● Standard configuration includes RS-232 and RS-485 interfaces; the programming instruction set complies with SCPI and MODBUS‑RTU protocols.
III. Technical Parameters
Model number JH8100D AC input AC 380 V ±10%, 50 Hz Output range
Voltage 0–100 V Electric current 0–1050A Power 105KW Overvoltage protection 0.1–120V Overcurrent protection 0.1–1260A Load Regulation Voltage 0.2%F.S Electric current 0.2%F.S Power supply regulation Voltage 0.1%F.S Electric current 0.1%F.S Set Resolution Voltage 10mV Electric current 10mA Readback Resolution Voltage 10mV Electric current 10mA Setting precision Voltage 0.1%+50mV Electric current 0.1%+150mA Readback accuracy Voltage 0.1%+50mV Electric current 0.1%+150mA Ripple noise
(20 Hz to 20 MHz)
Voltage 0.1%F.S+30mVrms Electric current 0.1%F.S+50mArms Rise time (10%–90%) No-load ≤60ms Fully loaded ≤150ms Fall time (90%–10%) No-load ≤5s Fully loaded ≤60ms Dynamic response time Voltage ≤5ms SENSE compensation voltage 2V Display mode 4.3" TFT-LCD screen Protection function OVP, OCP, and OTP protection Communication interface RS232/ RS485/ USB/ CAN/ LAN Other interfaces External Trigger TRIG IN/OUT Operating Environment Indoor, 0–40°C, 10%–85% RH Storage environment Indoor: -20 to 70°C, 10%–90% RH Size 440 mm wide × 600 mm deep × 950 mm high Weight Approximately 200 kg
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Huizhou Jinghui Instrument and Equipment Co., Ltd.
Service Hotline:400-1331-882
No. 13, Jinda Road, Huinan Science and Technology Park, Huizhou City, Guangdong Province
E-mail:jh@jhyq.com
