AMS2474B Chemical Conversion Coating Contact Resistance Measuring Instrument
1、 Function Introduction:
The four terminal measurement method is suitable for production enterprises, universities, research departments, and laboratory testing and analysis of chemical conversion materials used for coating aluminum and aluminum alloys; Technical conditions for chemical conductive oxide film on aluminum and aluminum alloys, requirements for measuring surface contact resistance and resistivity.
Configure the measurement platform. LCD display with temperature compensation function, automatic selection of resistivity unit, digital display of pressure, upper and lower limits, and alarm function,PCReal time data and report management of software; Provide options for operating interfaces in either Chinese or English.
AMS2474B Chemical Conversion Coating Contact Resistance Measuring Instrument
two.Reference standard:
1）.MIL-DTL-81706B 25 Octobertwo thousand and four
Chemical conversion materials used for coating aluminum and aluminum alloys;2）.NAVY
QPL-8Chemical conversion materials for aluminum coating and aluminum alloys3）.AMS2474BAluminum alloy chemical treatment low resistance coating,1982.01.01revise168)According to standard regulationsHour neutral salt spray test.
,
Measurement of Contact Resistance of Front and Rear Chemical Conversion CoatingsAMS2474B Chemical Conversion Coating Contact Resistance Measuring Instrument4）
.QJ 487-1983
Technical conditions for chemical conductive oxide film on aluminum and aluminum alloysStandard3、 Parameter data21. Electrical resistivity:10-7
2.～×107Ω-cm2Resistance:10-7
～5×107Ω3. Conductivity:×
10-7～
107s/cm
FT-400AHXM
Chemical conversion film surface resistance tester
1、 Function Introduction:
The four terminal measurement method is suitable for production enterprises, universities, research departments, and laboratory testing and analysis of chemical conversion materials used for coating aluminum and aluminum alloys; Technical conditions for chemical conductive oxide film on aluminum and aluminum alloys, requirements for surface contact resistance and resistivity measurement
PC software operation interface, automatic operation, automatic measurement of sample thickness to the thousandth percentile, real-time analysis of the change curve graph of resistance and pressure of the sample during the pressurization process, can display the change graphs of resistance, resistivity, and conductivity, and automatically generate reports
3、 Parameter data
1. Electrical resistivity: 10-7~2 × 107 Ω - cm
2. Resistance: 10-7~2 × 107 Ω
3. Conductivity: 5 × 10-7~107s/cm
4. Resolution: 0.1 μ Ω measurement error ± (0.05% reading ± 5 words)
5. Measuring voltage range: 2mV
20mV 200mV 2V measurement accuracy ± (0.1% reading)
6. Resolution:
0.1uV 1uV 10uV
