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Panel Tachometer – Extech


The 461950 is a 1/8 DIN Panel Tachometer that has continuous & accurate readings from 5 to 99,990rpm. It measures rotational motor speed, moving fans, pumps, gears, propeller devices. Choice of 2 sensor pickup types: Proximity sensor-0.1 in. (3 mm) target distance, range up to 36,000rpm (600Hz); Photoelectric sensor-0.4 in. (10 mm) target distance, range up to 6,000rpm (100Hz). 1/8 DIN size. Powered by 115/230VAC 50/60Hz.

  • Measure rpm from 5 to 99,990rpm with microprocessor quartz crystal accuracy of 0.05%
  • Large LED display updates 1/sec ( >60rpm)
  • Unique design permits rpm measurements of a one-hole gear or disk, eliminating the need for special gears
  • A pulse is measured when a ferrous object (stud) passes by the sensor
  • Optional proximity and photosensors


Catalog Page 037a                        461950-Datasheet

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products found
Item # Description
961957Photoelectric Sensor, 6000 rpm max
4619501/8 DIN Panel Tachometer
461955Proximity Sensor, 36,000 RPM Max
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