8 Channel Coin Cell Battery Testing System

CT-4000 Technical Specification Sheet

1. Equipment Model

Coding

CT-4008Q-5V50mA-HWX

2. Indicator Items

Index parameters

Input power supply

AC 220V  ± 10% / 50Hz

Input active power

20W

Resolution (AD/DA

AD： 24bit； DA： 16bit

Input impedance

≥ 1GΩ

Energy-saving efficiency

/

Noise

< 55dB(Measurement 1 meter away)

Parallel function

Channel parallel connection is not supported

IP protection level

Protection grade IP20

Channel characteristics

The constant current source and the constant voltage source adopt a double closed-loop structure

Channel control mode

Independent control

Voltage and current detection sampling

Four-wire connection

3. Voltage

Measurement range

10mV~5V

Minimum discharge voltage

-5V

Precision

± 0.01% of FS

Stability

0.02% of FS

4. Current

Measurement range

Range one： 0.1mA；Range two： 1mA；Range three： 10mA；Range four： 50mA

Precision

± 0.01% of FS

Minimum output current

0.2 μA

Constant voltage cut-off current

Range one： 0.1 μA；Range two： 1 μA Range three： 10μA；Range four： 50μA

Stability

0.02% of FS

5. Power

Maximum output power of single channel

0.25W

Precision

±0.02% of FS

Stability

0.04% of FS

6. Time

Current rise time

≤ 1ms (10% ~ 90% of FS)

Charge and discharge conversion time

≤40ms (-90% ~ 90% of FS)

Working step time range

≤(365*24)hour/working steps； Time format support 00 ：00 ：00.000(h： min： s.ms)

Sampling frequency

10Hz（Minimum time interval： 100ms）

7. Operating mode

Charge and discharge mode

Constant current charging and discharging, constant voltage charging and discharging, constant current and constant voltage charging and discharging, constant power charging and discharging, pulse charging and discharging, etc

Cut-off condition

Voltage, current, relative time, capacity, energy, etc

DCIR test

Support

Pulse charge and discharge mode

Constant current mode, constant power mode

Minimum pulse width

500ms

The number of individual pulses

A single pulse working step supports 32 different pulses

Pulse switching

One pulse working step can achieve continuous switching of charging or discharging

Pulse cut-off condition

Voltage, relative time

8. Cycle

Cycle test range

1~65535 times

Single cycle working steps

≤255

Cycle nesting

< 10 layers

9. Protection

Software protection

Power-off data protection, offline testing function, and safety protection conditions can be set. The set parameters include: upper voltage limit, lower voltage limit, upper current limit, lower current limit, etc

Hardware protection

Reverse connection protection, overvoltage protection, overcurrent protection, over-temperature protection, etc

10. Communication and computer configuration requirements

CPU requirements

Pentium dual-core or above, frequency 4G or above

Memory

16G or above is recommended

Communication method of the upper computer

Based on the TCP/IP protocol

Server disk requirements

It is recommended to be over 500GB

Server operating system requirements

Windows 7 or above

Database

The test data is centrally managed using the MySQL database

Data output method

EXCEL、TXT、GRAPH、 PDF、CSV

Communication Expansion (optional)

Supports CAN, RS485 communication and BMS communication, with DBC configuration function

11. Requirements for the working environment of the equipment

Operating temperature range

0℃ ~40℃ (Within the range of 25± 10℃, ensure measurement accuracy: accuracy drift 0.005% of FS /℃)

Storage temperature range

-10℃ ~50℃

The relative humidity range of the working environment

≤70% RH (No water vapor condensation)

The relative humidity range of the storage environment

≤80% RH (No water vapor condensation)