• Flash/Speed Rate: 100 to 10,000 FPM/RPM
  • Accuracy: ±0.05% of reading +1 digit
  • Duty Cycle: 5 to 30 minutes
  • Sampling Time: 1 second
  • Dimensions 8.3 x 4.8 x 4.8"
  • Weight 2.2 lbs. (1 kg)
  • 110 or 220VAC supply voltage


The Extech 461830 Digital StroboTach is a high accuracy digital strobometer ideal for non-contact speed measurement of moving gears, fans, pumps, motors and other equipment used in general maintenance, production, quality control or laboratories. Checking and analyzing motion and speed of a rotating object involves simply aiming and synchronizing the flash rate (fpm) of the Extech 461830 Digital StroboTach with the target.

The Extech 461830 Digital StroboTach has a flash rate of 100 to 10,000 fpm (for speed measurements from 100 to 10,000 rpm) with a sampling time of just one second. Accuracy is ±0.05% of reading and is maintained over a wide, dynamic range via an exclusive microcomputer LSI circuit and crystal control time-base. The Extech 461830 Digital StroboTach features a 4-digit LCD to display the readings. The duty cycle for the Extech 461830 Digital StroboTach ranges from 5 to 30 minutes. The 461830 utilizes 110VAC supply voltage-- model 461831 is an identical unit that uses 220VAC supply voltage.

The Extech Extech 461830 Digital StroboTach includes a six foot power cord and can be tripod-mounted for stationary use.

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