ST2722 carbon brush powder resistivity tester meter
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ST2722 carbon brush powder resistivity tester meter
Basic parameters
Specification model | ST2722 |
Resistivity measurement range | 10.0*10-6 to k*200.0*103Ω-cm, k=1 to 10 |
resolution | 1.0*10-6 to 0.1*103Ω-cm, k=1 to 10 |
Range | 10mV to 100 mV, automatic |
DC | 0.1µA, 1.0µA, 10µA, 100µA, 1.0mA, 10mA, 100mA, 1.0A total of 8 levels adjustable |
Some parameters of powder test bench | |
Sample composition | The composition is not limited, but it must not contain components that have a corrosive effect on the test bench and electrodes. |
Sample particle size | 40 mesh to 60 mesh (standard sieve) is recommended. Generally, other particle sizes are also available |
Volume of cup | Section: S = 1.0cm2 Height: 0~20mm adjustable |
Automatic height test unit | |
measurement error | ±0.02mm |
The four-digit effective display | 00.00~20.00mm |
Resolution | ± 0.02mm |
Automatic pressure test unit | |
Standard pressure | P0 = 4Mpa±0.05Mpa |
Pressure range | 20Mpa, P = 0~20 Mpa adjustable |
Four-digit effective display | 00.00~20.00MPa |
resolution | ± 0.01 MPa |
Working power | 220V(110V)±10%, f=50Hz,Pw<10W |
working environment | |
Temperature | 0 ℃~40 ℃ |
Relative humidity | ≤60% |
Note:There should be no strong electromagnetic field interference in the studio |
Widely used:
ST2722 has the characteristics of simple and efficient operation, high measurement accuracy, good stability, good repeatability, and multi-purpose convenient use. It is also a new feature that is different from the previous old similar test bench!
This instrument is suitable for carbon plants, coking plants, petrochemical plants, powder metallurgy plants, universities, scientific research departments, and is an important and excellent tool for testing and analyzing the quality of solid and powder samples.
Supporting PC software:
1 USB high-speed communication interface.
2 With a database to store data, which is convenient for historical query and third-party software expansion and sharing.
3 Automatically generate an excel-type chart combined test report,including resistivity-pressure curve graphs and detailed test data.
4 With test report preview, edit and print functions.
Reference standard:
Four-probe method
GBT 30835-2014 "Carbon composite lithium iron phosphate anode material for lithium ion batteries"
GB / T 1552-1995 "Four-Probe Method for Measuring Resistivity of Silicon and Germanium Single Crystal"
Four-terminal method
GB / T 24521-2009
YS / T 587.6-2006