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Overview
The HD-1 series of displacement sensors use the principle of differential inductance to convert the linearly shifted mechanical quantity into electric quantity, thereby automatically monitoring and controlling the displacement. It is used in mechanical power, automobile, aerospace, aviation, metallurgy, energy and water conservancy, national defense engineering. And research institutes have obtained a wide range of applications.
HD-1 series displacement sensors have the advantages of small size, high precision, stable performance, good right-handedness and long service life. In the case of power plant ambient temperature of 80-120 °C, one turbine can be continuously operated without overhaul. service.
The product can be equipped with a transmitter when it leaves the factory, when ordering.
Technical Parameters
Linear range: 0 ~ 1000mm, a total of 12 specifications (see technical indicators and size tables for details)
Primary impedance: not less than 500Ω (oscillation frequency is 2KHz)
Nonlinearity: no more than 0.5% FS
Working temperature: normal type -40 ° ~ 150 ° C; high temperature type -40 ° ~ 210 ° C (250 ° C for 30 minutes)
Temperature drift coefficient: less than 0.03% FS °C
Lead wire: three Teflon insulated sheathed wires with stainless steel sheathed hose.
Withstand vibration: 20g (up to 2KHz)
Implementation standards: Refer to JYF1305-2012.
Converted into an alternating electric signal, the built-in circuit of the sensor amplifies and shapes the signal, and outputs a good rectangular pulse signal. The measuring frequency range is wider, the 0 speed can be measured, the output signal is more accurate and stable, and the installation is simple and widely used. Speed ​​measurement of vehicles, motors, fans, and steam turbines.
Technical Parameters:
1 Working voltage: DC5～30V
2 Measuring range: 0～20KHz
3 Speed ​​measuring gear form: modulus 1 ~ 3 (involute gear)
4 output signal: square wave, its peak-to-peak value is approximately equal to the operating power supply voltage amplitude, independent of the speed
5 Working temperature: -30 ~ +120 ° C
6 Thread size: M16×1×80mm or M12×1×80mm (can be customized)
7 Installation clearance: 1~5mm
8 Weight: about 100 g
Oil motor displacement sensor HTD-200-3, HTD-300-6H
The speed measurement is realized by the principle of electromagnetic induction. The sensor has strong output signal, good anti-interference performance, convenient installation and use, and can be used in harsh environments such as smoke, oil and gas, water and gas.
Electrical indicators:
DC resistance: 200 to 550 Ω (25 ° C)
Working temperature: -10 to +120 ° C
Physical indicators:
Weight: about 120g
Anti-vibration: 20g
Thread size: M16×1
Gear material: The gear material should be made of a metal material with high magnetic permeability.
Tooth shape: The involute tooth shape is a suitable tooth shape of the Zui. Using large modulus gears or other tooth shapes will create large waveform distortions that will prevent accurate measurements. If the spindle has axial movement, be aware that the center of the pole should be at the center of the gear.
Gear modulus: 2 to 4 tooth width b: greater than 5mm.
The sensor is mainly used to measure the static and dynamic distance between the probe and the measured object. The object to be measured is generally ferrite. The alternating electromagnetic field of the probe is absorbed by the ferrite. The electronic circuit of the sensor senses and processes the change. This gives the displacement of the measured object
The eddy current sensor is a non-contact linearization measurement tool. It has long-term work reliability, wide measuring range, high sensitivity, high resolution, fast response, strong anti-interference ability, and is not affected by oil and other media. Therefore, it is widely used in electric power, petroleum, chemical, metallurgical and other industries. Dynamic and static non-contact displacement measurement of large rotating machinery such as steam turbines, turbines, blowers, compressors, gearboxes, and large cooling pumps.
HTD-150-6, HTD-200-6H, HTD-250-6, HTD-300-6 Displacement Sensor
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Oil motor displacement sensor HTD-200-3, HTD-300-6H