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Input
Input Voltage: AC 220V ±10%, 50 ±20Hz
Power Consumption: <40W (without load)
Load
Load Voltage: 1-500V
Load Current: 0~120A/240A
Load Power: 4800W
Load Resistance: 0.1Ω - 10000Ω
Measurement Resolution
Current: 0.001A
Voltage: 0.001V
Resistance: 0.001Ω
Power: 0.001W
Measurement Accuracy
Main Current: Imax ±0.05% + 0.05% FS (24-bit A/D, 15ppm/°C Standard)
Main Voltage: Vmax ±0.05% + 0.05% FS (24-bit A/D, 15ppm/°C Standard, Input Impedance 230KΩ)
Control Accuracy
Current: Imax ±0.1% + 0.05% FS (16-bit D/A, 15ppm/°C Standard)
Voltage: Vmax ±0.1% + 0.05% FS (16-bit D/A, 15ppm/°C Standard)
Resistance: Rmax ±0.1% + 0.1Ω (16-bit D/A, 15ppm/°C Standard)
Power: Pmax ±0.1% + 0.1W (16-bit D/A, 15ppm/°C Standard)
Protection
Overvoltage: 500VV
Overtemperature: 85℃
Overpower: 5000W
Overcurrent: 120A/240A
Communication Interface
Program Control Interface: RS232, RS485
Monitoring Software: Supports PC connection, downloadable from the official website (open communication protocol, supports secondary development)
Function
Working Mode: Constant current (CC), constant voltage (CV), constant resistance (CR), constant power (CP)
Routine Function: Dynamic test (up to 10KHz), short circuit test, high-precision battery test (Ah, watt-hour WH), battery discharge: (constant resistance, constant current)
Automatic Test Function: Overcurrent protection point/protection time test, internal resistance test, list test
Expand Function: External Trigger, PASS/FAIL Output, Remote voltage measurement
Accessories: RS232 communication cable, heavy-current copper-plated silver-plated cold-pressed terminal, communication extension terminal, power cord, manual, warranty card
Operating Environment
Temperature Range: Full range: 0~30℃ (Derating over 30℃, derating rate 40W/℃)
Humidity Range: 10~60%RH
Withstand Voltage (DC Input Terminal to Chassis): ±250VDC
Insulation Resistance (DC Input Terminal to Chassis): >20MΩ, 500VDC
Insulation Resistance (AC Input Terminal to Chassis): >20MΩ, 500VDC
Datasheet
Brife Introduction
A new generation of programmable high-power DC electronic load, using high-performance chips, high-speed, high-precision design, providing 1mV, 1mA resolution modular design, easy to maintain and expand. Built-in high-resolution and high-precision measurement circuit, At the same time of high current and high power input, it still has extremely high accuracy and resolution, making your test results more accurate and convenient.
A new generation of programmable high-power DC electronic loads with constant voltage CV, constant power CW, constant current CC and constant resistance CR modes, remote measurement, short circuit test, battery test and dynamic test multi-functions, to meet your diversified testing needs. JK9900 series high-power electronic loads have the best cost performance and are your wise choice for power supply and other power equipment testing applications.
Performance characteristics
■ Constant current, constant resistance, constant voltage, constant power, constant current and constant voltage;
■ Constant resistance, constant voltage, six high-speed action modes;
■ Overcurrent, overvoltage, overpower, overheating, reverse polarity protection;
■ According to temperature changes, the infinite servo intelligent fan system;
■ The circuit soft start time is set, which can be loaded according to the set voltage value;
■ Battery test and short circuit function;
■ Provide dynamic test, setting of rising and falling slope;
■ Support external trigger input and output;
■ Support remote voltage compensation, multiple data storage;
■ Power-on self-check, software calibration, standard instrument rack design;
■ Support RS232, RS485 communication.
Application
Uses of high-power electronic loads: widely used in production lines (mobile phone chargers, mobile phone batteries, electric vehicle batteries, switching power supplies, linear power supplies), scientific research institutions, automotive electronics, aerospace; ships, solar cells, fuel cells and other industries.
