PR6423/000-040 Cover vibration sensor EPRO

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Essential details：PR6423/000-040 Cover vibration sensor EPRO

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German EPRO sensor applications:
German EPRO sensors are widely used in various industrial fields and laboratories. It has the advantages of small size, high reliability and non-contact measurement. It is suitable for all kinds of turbo machinery and can measure physical quantities such as shaft vibration and shaft displacement. epro offers a wide range of eddy-current sensors for a variety of measurement solutions. ∵ The division of the following physical quantity between the rotation part and the ∵ fixed part can be measured. Shaft vibration and eccentricity – shaft bending – shaft radial and axial displacement – bearing wear – oil film thickness. Relative thermal expansion of shaft and bearing. Thermal expansion and valve position sensors for bearings are manufactured and used in accordance with a variety of general standards, such as API670, DIN45670 and ISO 10817-1. With the addition of safety grids, the sensors and precursors can also operate in environments where explosion protection is required, in accordance with the relevant European standard EN5001450020.
Speed sensor PR9376/010-011
Eddy current sensor PR6423/002-030
Axial displacement probe PR6424/000-00O+CON021 Vibration sensor PR6423/000-101
Shaft vibration eddy current sensor + preprocessor PR6423/10R-O30+CON021 speed sensor PR9376/010-011
Speed sensor PR9376/010-011 American GO reducing valve PR1-1B11B5D1A1 speed sensor PR9376/010-011
Expansion sensor PR6426/010-110+CON021/916-120 German EPRO sensor PR9376/010-011

PR6423/003-030-CN

The head of the PR 9376 is a differential sensor consisting of a half bridge with two hall-effect sensor elements. By means of integrated operational amplifiers, the Hall-voltage is amplified many times over. Processing of the Hall-voltage is carried out digitally in a DSP. In this DSP the difference of the Hallvoltage is determined and compared with a reference value. The result of this comparison is available at a push-pull output which is shortcircuiting proof for a short time (max. 20 s).
If a magnetically soft or steel trigger mark moves to the sensor in a square angle (i.e. in lateral direction), the magnetic field of the sensor will be distorted which effects the de-adjustment of the Hall-level and switching of the output signal.
The output signal remains high or low until the leading edge of the trigger mark causes an inverted detuning of the half bridge. The output signal is a steep sloped voltage pulse.
For this reason the capacitive coupling of electronic devices is possible, even at low trigger frequencies. High sophisticated electronic, hermetically closed encapsulated in a housing of rugged, stainless steel and a connection cable with Teflon isolation – if required with metal protection tube – ensure the safe and proper operation even under harsh, industrial environments.

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