ST2931B -3min-V1.0_20251010_14203925
2 month ago
Product details
The ST2931B all-vanadium REDOX flow battery bipolar plate and carbon felt resistance characteristic testing system (hereinafter referred to as the testing system) is a professional measurement system that uses the four-probe method and four-terminal method to test the "bulk resistivity" and "resistance-pressure characteristics" of bipolar plates, carbon felt and their components used in REDOX flow batteries. And in accordance with professional algorithms, professional parameters such as "vertical resistivity of carbon felt - pressure" and "contact resistance between carbon felt of bipolar plates - pressure" are further calculated. It can also be extended to be used in the vertical surface resistivity and contact surface resistivity testing system of metal plates and their coatings.
This instrument is suitable for colleges and universities, research institutes, metrology units, industrial and mining enterprises, etc. engaged in the research and testing of the resistance characteristics of bipolar plates, carbon felt and their components of flow batteries. It is an important and excellent tool for inspecting and analyzing the resistance characteristics of bipolar plates, carbon felt and their components of all-vanadium flow batteries.
1.1 Adopt the main national standards
"Test Method for Electrodes of All-Vanadium REDOX Flow Battery NB T 42082-2016"
"Test Method of Bipolar Plates for All-Vanadium REDOX Flow Batteries (NB T 42007-2013)"
"GB-T26074-2010 Method for Measuring the Resistivity of Germanium Single Crystal with Four Direct Current Probes"
1.2 Instrument Composition
The main units of the entire set of instruments include: the measurement and control host, the automatic pressure control console, the four-terminal gold-plated copper electrode, the automatic thickness dial indicator, the four-probe test bench, the four-probe probe, and the corresponding PC measurement and control software modules, etc.
The measurement and control host is the core part of the entire system for electrical control, measurement, display, communication, etc.
The automatic pressure control console is used to automatically control the application of pressure according to the system pressure setting requirements.
The automatic thickness dial indicator is used for the automatic synchronous detection of sample thickness between four-terminal electrodes.
The four-probe test bench and probe are used to test the planar bulk resistivity of carbon felt or bipolar plates by the four-probe method.
PC measurement and control software is used to achieve measurement and control of instruments, as well as functions such as data viewing, editing, saving and printing on the PC end.
1.3 Advantageous Characteristics
Youdaoplaceholder5 a. High-precision national standard recommended four-probe or four-terminal professional algorithm.
Overcome the error in the results caused by the contact resistance of the two-electrode method and the line resistance of the test electrode.
<s:1> b. Reasonable and advanced "synchronous" "pressure-resistance" measurement and control mode.
Overcome the problem that the parameters of the pure static no-pressure test do not match those under the actual pressurized working state.
<s:1> c. Single-chip multi-point automatic continuous testing, intelligent fitting of the "resistivity/resistance-pressure" curve.
Overcome the traditional single-piece single-pressure point testing mode and improve work efficiency;
Replace the individual "resistivity/resistance-pressure" point characterization scheme with a complete "resistivity/resistance-pressure" curve, which is more intuitive and comprehensive.
<s:1> d. Fully automatic application of multi-point continuous stepped pressure measurement and control conditions, with good repeatability, simplicity and high efficiency.
It overcomes the drawbacks of easy fatigue and poor consistency in the manual pressure application mode, improving work efficiency and testing accuracy.
<s:1> e. The color screen simultaneously displays multiple parameters such as resistance, pressure, and thickness.
Overcome the limitation of digital LED displays that multiple contents cannot be displayed synchronously.
<s:1> f. Multi-channel high-precision ADC module, ensuring high-precision system testing.
<s:1> provides five-digit significant display for resistivity, and four-digit significant display for pressure and thickness.
Youdaoplaceholder5 g. Human-machine dialogue measurement and control with multi-mode selection, simple and efficient.
In single-machine mode, all parameter Settings and function conversions of the instrument are achieved through touch keys and color screen display.
Online mode, with PC software provided, offers convenient functions such as parameter setting interface, measurement and control interface, and online help interface.
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SUZHOU JINGGE ELECTRONICS CO., LTD.
Audited supplier
5 month
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