SPM Shock pulse measurement, LR/HR. TD-214. SPM SpectrumTM. TD-218. ISO 2372 vibration monitoring. TD-225. ISO 10816 vibration monitoring with spectrum TD- 

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The Shock Pulse Method (SPM) is the front line technique the Hallsta paper mill chose to quickly manage input from its 800 rolls, with 4000 machines and 1 6,000 measurement points. Even bearing damage can be detected through vibration analysis. A bearing produces a group of peaks in the vibration spectrum, caused by the rolling elements

The shock pulse method (SPM) has been widely used as a quantitative method for bearing condition monitoring. However, the shock value 

These shocks 'ring' the SPM transducer which outputs electric pulses proportional to the shock magnitude. Unlike vibration transducers, the shock pulse 

Ultrasound detectors measure data in one of two ways: static and dynamic. Static data relates to a single value measurement taken at a point in time and is usually expressed as decibels per

Both sinusoidal and random vibration occur in your product’s environment. Shock is an impulse applied to a system. It is a sudden acceleration. A drop, kick, slam, or explosion are examples

Methods and signal forms in vibration & shock pulse analysis. The best bearing ultrasound detector. SPM HD: the best way to detect bearing and gearboxes failures, even at very very low

03/04/  · Dave Shock pulse works somewhere around 35-40Khz. This means it will "see" defects long before they show up using vibration (up to 5-10 Khz). I tend to use both, i will

In vibration analysis, a signal is an electric voltage or current which is an analog of the vibration being measured. The signal is usually meant to be the desired part of the quantity, and the accompanying undesired part is called noise. The signal to noise ratio is an important parameter in any measurement system.

Difference between shock pulse and vibration The shock pulse meters measure the shock signal on a decibel scale, at two levels. A micro processor evaluates the signal. Shock