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N8130 Series Supercapacitor Capacitance & DCIR Tester

N8130 series is specially developed by NGI for the R&D and production of supercapacitors and batteries. The sampling rate is up to 1mS, and the charging and discharging process can be seamlessly switched, which can fully meet the test requirements of high accuracy for electrical parameters such as charging capacitance, discharging capacitance, charging DCIR, discharging DCIR, energy conversion efficiency, cycle life, etc. N8130 supports the test standards of six-step method, IEC62391 and QC/T741.

N8130 PC application software supports customization. Users can customize the test files according to the test procedure. The test results can be stored and exported in the formats of database, EXCEL and JPG.

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ModelChannel NumberVoltageCurrent PowerAccuracyResolution Communication InterfaceSize

■  Current range: 0-50mA/500mA/2A/10A

■  Voltage range: 0-6V

■  Parameters test: CC charge, CC discharge, CV charge, cycle life, charging capacitance, discharging capacitance, DCIR, etc.

■  Sampling rate up to 1ms

■  Seamless transition between charging and discharging

■  Multifunctional application software, supporting production sorting

■  LED indicator light to display the channel status

■  Data storage and analysis

■  LAN interface

Functions & Advantages

Capacitance test 

N8130 can measure the charging capacitance and discharging capacitance of supercapacitor. The test method is as follows: charge or discharge the measured supercapacitor under CC mode, record the time and voltage during the charging or discharging process, and calculate the capacitance by calculating the slew rate of the voltage and time during the process.
Users can choose voltage and time for calculation according to various measurement standards, such as IEC.
Charging capacitance calculation: 

Discharging capacitance calculation: 

Ur: Rated voltage

U1: Start voltage for charging capacitance

U2: End voltage for charging capacitance

U3: Start voltage for discharging capacitance

U4: End voltage for discharging capacitance

I1: Charging current

I2: Discharging current 

DCIR test 
N8130 supports a variety of DCIR test methods: multi-pulse, single-pulse, charge-to-discharge, six-step test and IEC test, which can meet the test needs of most users. NGI core technology ensures that highly accurate results are obtained in various test methods. 

QC/T 741 DCIR calculation:

Life test

N8130 can measure the physical parameters of the supercapacitor during the repeated charging and discharging process and extract its attenuation curves. By analyzing the parameters and curves, users can obtain the expected life of supercapacitor in different application environments, charging and discharging cycles, and performance index at different stages. Life test results can be used to improve the materials, processes, storage and many other links.

Four-wire sense 

During the supercapacitor test, a large current will be outputted, which will cause a voltage drop in the leads and affect the measurement accuracy. N8130 series adopts the four-wire sense system and directly acquires the voltage at DUT output terminals to avoid voltage loss and ensure the measurement accuracy.

Test fixture 

Considering the test application scenarios of different scales, NGI provides two types of test fixture: Kelvin clamp and 12-channel special fixture. Both test fixtures support four-wire connection.

Application software
1) N8130 software adopts a platform design, which allows the users to customize the test process according to their requirements.
2) Office-like interface, independent display of each channel, supporting voltage and current waveform generation, and result display in tabular form make this professional software multifunctional and easy-to-use. 
3) N8130 is designed with power limit circuit and has fast response, which can prevent N8130 from being damaged due to over power. 
4) N8130 adopts shielding technology, which has wide adaptability to harsh test environment, and improves the anti-interference ability.

Application Fields

■ R&D, production and QC of supercapacitor

■ Supercapacitor material research

■ Other related fields of supercapacitor

Standard & Optional Accessories

Data Sheet

User Manual

Communication Protocol

Software & Driver


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