- Specially designed for electric-double layer capacitors (EDLCs), battery, and solar cell research
- Source and measure up to 20V and 10A
- Versatile control software provides all necessary data analyzing tools with automated curve fitting to evaluate capacitance, power, energy of EDLCs, and capacity, cycles life testing of batteries.
- Constant current charge-discharge test
- Cyclic voltammetry curves
- Self discharge analysis
- Can be use as a potentiostat or a galvanostat with 4 probes
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Capacitor and Battery Analyzer VK-PA-8000
(VMK-8000)
Specifications: |
Measurement Range
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Max. Voltage: 20 V
Max. Current: 10 A (pulse)
8 A (continuous)
with 5½-digits measuring resolution |
Measuring Technique
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Digital Source Meter |
A/D Converters |
24 Bit (2 independent ADCs for V & I readings)
up to 30,000 SPS
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User Interface and data collecting |
Computer software is provided for control of all the functions and data logging. Measurement data can be saved as a text file and directly plotted on ®Microsoft Excel graph. (Windows based PC required) |
Communication |
Through a USB Port
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Power Requirement |
100 – 240 VAC (50-60 Hz) 3A |
| Electrical standard |
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| Dimensions |
320 mm(W) x 150 mm(H) x 230 mm(D) |
| Weight |
10 kg |
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Main Functions |
For electric-double layer capacitor (Supper Capacitor) analyzing |
- Measurement of constant current charge-discharge test with given voltage compliance.
- Plot cyclic voltammetry curve
- Curve fittings for ideal RC model and nonlinear real model R-CPE(Q , α).
- Calculation of energy vs. time plots
- Calculation of energy vs. power curve
- Self discharge analysis
- Cycle life testing
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For Battery Analyzing: |
- Measurement of constant current charge-discharge curve with given voltage compliance.
- Analysis of both charge and discharge data
- Self discharge analysis
- Cycle life testing
- Limit based analysis (voltage, current, temperature, ohmic value)
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General capabilities: |
- I-V tracing for solar cell
- Use as potentiostat with 4 wires
- Use as galvanostat 4-probe resistance measurement
- Use as lead-acid, Li-ion, Li polymer battery charger up to 8A and 20 V
- All data and graphs can be directly save as ®Microsoft Excel files
- All measurement parameters can be saved and reload when needed to repeat at the same experiment.
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