Tachometers, Stroboscopes and Counters
- Tachometer
- Tachometers are used to measure
the velocity of a rotating object. Tachometers operate on the
principle that a driven motor (a motor operated as a generator)
produces a voltage that is proportional to the angular velocity
of the motor shaft. The proportionality constant, K that is used
to translate mechanical motion into voltage
has typical values of 1 to 30 volts per 1000 RPM. Tachometers
are typically attached to the output shaft of DC or AC inverter
motors requiring close speed regulation. The tachometer feeds
its signal to a control which adjusts its output to the DC motor
or AC inverter motors accordingly (called "closed loop feedback"
control). Tachometers can be of both the contact and noncontact
type
 DT-105A
(LCD) and DT-107A (LED)
- Contact type hand held, battery operated
digital tachometers. In light yet extremely rugged housing.
- DT-205L
(LCD) and DT-207L (LED)
- Non-contact type hand held, battery
operated digital tachometers. In light yet extremaly rugged housing.
-
-
- DT-209X
- New
- Laser hand held Tachometer with USB
and Analog ports and Multi-Mode Memory
DT-2234B
Photo Tachometer
DT-2236
Digital Photo / Contact Tachometer
ST-6236B
Photo-Contact Tachometer
Stroboscopes
- Stroboscopes designed to give
the operator the illusion of "stopped motion" where actualy the
equipment under observation is in a moving state. By adjusting
the flashing rate stroboscope can be used to measure RPM with
the same precission as digital tachometers.
-
- DT-311A
Stroboscope
DT-315A
Stroboscope
DT-900PR
Stroboscope - Professional Kit
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Last modified January 2006.
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