Tungsten carbide probe (one probe with 4 probes) Model: XL165FT-203

The probe probe is a four-probe probe with stable, reliable, high accuracy and good durability developed by using aeronautical engineering plastics with excellent comprehensive performance, spring plates with excellent mechanical structure, and wear-resistant and high-hardness probes. All technical indicators comply with national standards, as well as relevant provisions of ASTM standards;
It can be installed on the probe test stand or the probe can be used to test the sample. For example, the sample probe can be used with PH-â…¡ handle to effectively improve the test efficiency. This test method is widely used in silicon polycrystalline materials, head and tail materials, pot The resistivity sorting of the bottom material has the following characteristics due to the use of aerospace engineering plastic four-probe probes with excellent comprehensive performance:
â‘ Good dimensional stability, molding shrinkage rate is less than 0.3%, linear expansion coefficient is less than 3x10-6;
â‘¡Excellent mechanical properties, tensile strength higher than 120MPa, bending strength greater than 150MPa, bending modulus greater than 12GPa;
â‘¢Excellent electrical performance, dielectric strength greater than 17kv / mm, dielectric coefficient less than 4, volume resistivity on the order of 1016;
④Corrosion resistance, except for oxidizing media, it can resist almost all inorganic substances; at 200 ℃, it is insoluble in all known organic solvents
⑤Low moisture absorption, the water absorption rate is less than 0.05% after soaking in 23 ℃ water for 24 hours;
â‘¥Good flame retardancy, its oxygen index is greater than 40, it is UV-94V-00 / 5-V grade;
⑦High temperature resistance, long-term use temperature 180 ℃;


*Technical Parameters:
① Probe spacing: 1 ± 0.010mm;
â‘¡ Probe material: high-speed steel or tungsten carbide;
③ Probe pressure: 5 ～ 8 Newton or 12 ～ 16 Newton;
â‘£Probability of probe mechanical movement: less than 0.3%;
⑤The extended length of the probe: 3mm;
⑥ The angle of the needle tip cone: 60 °;
⑦ Insulation resistance between needles: greater than 109Ω;
Probe material tungsten carbide needle probe spacing 1mm
Probe diameter 0.5mm
Probe pressure 5 ～ 8 Newton application for measuring thin slices

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