SCALERS, TIMERS, RATEMETERS

Preamplifiers, Amplifiers Scalers, Timers, Ratemeters Multichannel Analyzers Dedicated Instruments Tools, Instruments, Accessories, Components, Skills Interfaces Power Supplies Preventive Maintenance... 

The output of the single channel analyzer is a digital pulse or count of 5-10 volts in magnitude and indicates the acceptance of an x-ray photon of the appropriate energy. These digital pulses may be passed to a ratemeter to indicate count rate, to a scaler/timer to measure total counts, to the photoplotter on a rectilinear scanner to produce pictures, or to a computer to record digital information. 

To be able to service and repair scalers, timers and digital ratemeters, It Is essential to correctly identify the different blocks In which the Instrument may be logically divided, and to understand their interactions. To help In this procedure, a short description of typical structures is given below. A detailed description of examples of commercially available Instruments completes this chapter. 

In ore prospecting, clinical and industrial applications, another popular version consists of a complete single channel analyzer with either a counting rate meter or a scaler/timer, sometimes with a digital ratemeter. 

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