ຮັບສ່ວນຫຼຸດພິເສດຕາມປະລິມານ, ອັບເດດລາຄາຂາຍສົ່ງ ແລະ ການແຈ້ງເຕືອນສິນຄ້າໃໝ່ສົ່ງກົງເຖິງອິນບັອກຂອງທ່ານ.
ໂດຍການສະໝັກສະມາຊິກ, ທ່ານຍອມຮັບ ເງື່ອນໄຂການໃຫ້ບໍລິການ ແລະ ນະໂຍບາຍຄວາມເປັນສ່ວນຕົວ ຂອງພວກເຮົາ.
ເຂົ້າເຖິງຜູ້ຊ່ຽວຊານທີ່ໄດ້ຮັບການຢັ້ງຢືນຂອງພວກເຮົາໂດຍກົງ
Input
Input Voltage: AC 220V ±10%, 50 ±20Hz
Power Consumption: <40W
Load
Load Voltage: 1-150V
Load Current: 0-40A (Expandable to 60A)
Load Power: 400W
Load Resistance: 0.1Ω-10000Ω
Measurement Resolution
Current: 0.001A
Voltage: 0.001V
Resistance: 0.001Ω
Power: 0.001W
Measuring Accuracy
Main Current: Imax ±0.05% + 4mA (24-bit A/D, 15ppm/°C standard)
Main Voltage: Vmax ±0.05% + 4mV (24-bit A/D, 15ppm/°C standard, Input Impedance 230KΩ)
Control Precision
Current: Imax ±0.1% + 4mA (16-bit D/A, 15ppm/°C standard)
Voltage: Vmax ±0.1% + 4mV (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: 160V
Overheating: 85℃
Overpower: 400W
Overcurrent: 40A
Communication Interface
Programmable Interface: RS232, RS485
Monitoring Software: Supports PC online, downloadable from the official website (open communication protocol, supports secondary development)
Function
Operating Mode: CC, CV, CR, CP
General Function: Dynamic test (Max. 10KHz), short circuit test, high-precision battery test (AH, WH), battery discharge: (CR, CC)
Automatic Test Function: Overcurrent protection point/protection time test, internal resistance test, list test
Extended Function:
External Trigger: √
PASS/FAIL Output: Remote voltage measurement
Accessories
RS232 communication cable, high-current load copper silver-plated cold-pressed terminal, communication expansion terminal, power cord, manual, warranty card
Working Environment
Temperature Range: Full load range: 0~30℃ (Derating over 30℃, derating rate 40W/℃)
Humidity Range: 10~60%RH
DC Input Terminal to Chassis Withstand Voltage: ±250VDC
DC Input Terminal to Chassis Insulation Resistance: >20MΩ at 500VDC
AC Input Terminal to Chassis Insulation Resistance: >20MΩ at 500VDC
Brief Introduction
A new generation of programmable power DC electronic load, using high-performance chips, high-speed, high-precision design, providing 1mV, 1mA resolution modular design, easy maintenance and expansion. 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 precision and resolution, making your test results more accurate and convenient.
The new generation of programmable high-power DC electronic load has constant voltage CV, constant power CW, constant current CC and constant resistance CR modes, remote measurement, short circuit test, battery test and dynamic test, these multi-function meet your diversified test needs. JK9900 series electronic load has the highest cost performance ratio, it is 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 and constant voltage, six high-speed action modes;
■ Overcurrent, overvoltage, overpower, overheating, reverse polarity protection;
■ According to the temperature change, the infinite servo intelligent fan system;
■ The circuit soft-start time setting can be loaded according to the set voltage value;
■ Battery test and short circuit function;
■ Provide dynamic test, rising and falling slope setting;
■ Support external trigger input and output;
■ Support remote voltage compensation, multiple data storage;
■ Power-on self-test, software calibration, standard instrument rack design;
■ Support RS232, RS485 communication.
Application:
High-power electronic load application: 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.
