The model DT-2239A is a microprocessor circuit design, high accuracy, digital readout, light duty STROBOSCOPE/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 schools and colleges for demonstrating strobe action.
Specifications: •Display: 0.3" LED, 4 digits.
•Stroboscopic Flash Rate: 100 to 10,000 flashes per minute (FPM).
100 to 5,000 FPM/RPM) -± 1 digit.
over 5000 FPM/RPM - ± 0.05% .
•Resolution:Less than 10,000 FPM/RPM-1 FPM/RPM.
•Over 10,000 FPM/RPM - 10FPM/RPM
•Sampling Time:1 second.
•Circuit:This stroboscope/tachometer employs an custom one-chip of microcomputer LSI circuit & crystal control time base which results in extraordinary accuracy over a wide, dynamic range