Description: Portable digital tachometer, model CT500 (contact/non-contact) is a test and measuring instrument manufactured by Countronics. Regarding features multi-function - one instrument combines photo-tachometer (RPM) and contact tachometer (RPM and m/min) as well as wide measurement range from 15 to 75,000 RPM. The last measured value is automatically stored in memory when the measure button is released. High contrast LCD display with leading zero blanking gives the exact RPM. Regarding features the battery consumption is very low - in non-measure mode, that is, the measure button is released (memory On), the battery consumption is still lower; this tachometer uses an advanced micro computer LSI circuit with quartz crystal time base to give high accuracy and fast measurement; a high intensity red LED for phototachometer gives a visible low current consumption beam (unlike a filament bulb, an LED has almost infinite life); and the use of a durable, strong ABS plastic housing assures maintenance-free performance for many years. This housing fits comfortably in the palm of the user.
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