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SDVH8 series

The outer diameter is 8mm, effective stroke 0-2mm, 0-5mm, 0-8mm, precision 1 μm, 5 μm, 10 μm, is used for inspection tools, measuring the thickness, smoothness, aperture and size of auto parts, hard disk and cell phone shell. The external distribution transmitter can output the two-wire system 4-20mA, three-wire 0-5V, three-wire system 0-10V, four-wire RS485 signal. The transmitter can be towed by one, two, four, one, eight, more channel signal collection, can be customized.

Description
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Overview


The inductance measuring probe is also known as LVDT pen type sensor, which is the upgrade model of standard spring loaded displacement sensor, belongs to the differential transformer displacement sensor (LVDT). Models characterized by the outer diameter is 8mm, effective stroke 0-2mm, 0-5mm, 0-8mm, precision 1 μm, 5 μm, 10 μm, is used for inspection tools, measuring the thickness, smoothness, aperture and size of auto parts, hard disk and cell phone shell. The external distribution transmitter can output the two-wire system 4-20mA, three-wire 0-5V, three-wire system 0-10V, four-wire RS485 signal. The transmitter can be towed by one, two, four, one, eight, more channel signal collection, can be customized.


Advantages


1. The inductance measuring head (LVDT pen type displacement sensor) has excellent performance, no sliding contact, high repeatability, good stability and long life, at least 5 million times.


2. It is suitable for high accuracy in quality control and measurement application, which is very suitable for measuring small travel.


3. Small size, with 8mm outside diameter.


4. Measurement range is 0-8mm.


5. The moving part of the measuring axis adopts dedicated precision guide rail; the measuring probes adopt wear - resistant zirconia, tungsten steel and rubies; the electronic circuits are sealed in 304 stainless steel tubes and can work in such harsh conditions as moisture and dust.


6. The power supply voltage of the inductance test head (LVDT pen displacement sensor) is 9-28V; external high performance signal demodulator, can output standard signal: 0-5V voltage signal or 4-20mA current signal can be used by computer or PLC.


Application


Inductance probe (LVDT pen type displacement sensor) can be widely used in aerospace, machinery, building, textile, railway, coal, metallurgy, plastics, chemical industry and scientific research institutions such as the national economy in all walks of life. It is used to measure the thickness, smoothness, taper of the parts, etc., elongation, vibration, expansion and axial diameter. The application example has glass production test; auto parts online detection, mobile phone shell flatness detection.



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