Reed K4020 Digital Stroboscope / Tachometer, 100 to 10,000 FPM/RPM

The K4020 is a microprocessor circuit design, high accuracy, digital readout, light duty STROBOSCOPE and TACHOMETER that is ideal for inspecting and measuring the speed of moving gears, fans, centrifuges, pumps, motors and other equipment used in general industrial maintenance, production, quality control, laboratories and as well as for school and colleges for demostrating strobe action.

• Simply aim and synchronize the strobe’s flash rate (fpm) with the speed (rpm) of the object
• Direct reading in RPM
• Exclusive one-chip micro-computer LSI circuit and crystal time-base assures accuracy of ±1%
• Duty Cycles from 5 to 30 minutes (depending on RPM range)
• Tripod mountable AC operated with 6-foot power cord
• Supplied with operating manual

• Flash range: 100 to 10,000 fpm/rpm
• Resolution: 1 fpm/rpm
• Accuracy: ±1%: 100-5000fpm; ±0.05%: =5000 fpm
• Time Base: Quartz crystal
• Sampling Time: 1 second
• Display: 4-digit LED 0.3″ high
• Power Supply: 110VAC, 50/60Hz
• Dimensions: 8.3 x 4.8 x 4.8″/210 x 120 x 120 mm
• Weight: 2.2lb/1 kg

• Reed K4020 Datasheet.pdf