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The Extech Digital StroboTach checks and analyzes motion and speed by simply aiming and synchronizing it's flash rate RPM with rotating object, read on a 4 digit LED display. The duty cycle ranges from 5 to 30 minutes and 1 second sampling time. The high accuracy over a wide, dynamic range is posibble via the exclusive microcomputer LSI circuit and crystal control time-base.
Model 461830 is 115V AC, 60Hz, and model 461831 is 220V AC, 50Hz. The Digital StroboTach is ideal for measuring the speed of moving gears, fans, pumps, motors, and other equipment used in general maintenance, production, quality control, or laboratories.
This device measures the speed of moving parts such as gears, fans, propellers, centrifuges, and pumps. The stop-motion action of this instrument permits the visual inspection of moving parts. Careful use of this instrument will provide years of reliable service.
Specifications:
• Circuit: Exclusive one-chip LSI circuit with crystal time base
• Display: 4-digit ( 10, 000 count; 0 to 9999) LED display
• Measurement unit: RPM ( revolutions or rotations per minute) is the speed of the moving device under test which equals the FPM rate ( strobe flashes per minute)
• Operating Temperature: 32 to 122° F ( 0 to 50° C)
• Operating Humidity: < 80% RH
• Power Supply: 220VAC 50/ 60Hz ± 10%
• Power Consumption: < 25 watts @ 115V
• Weight: 2.2 lbs. ( 1kg)
• Dimensions: 8.3 x 4.8 x 4.8 " ( 21 x 12 x 12cm)
• Housing construction: Impact resistant plastic with plastic lens and mirrored reflectors
• Measurement Range: 100 to 10, 000 RPM/ FPM
• Resolution: 0.1 ( < 1000 RPM/ FPM) , 1 ( 1000 to 9999 RPM/ FPM) , 10 ( 10, 000 RPM/ FPM)
• Accuracy: ± ( 0.05% + 1 digits)
• Sampling Time: 1 second
• Strobe Flash adjust range: LOW: 100 to 1, 000 RPM/ FPM, HIGH: 1000 to 10, 000 RPM/ FPM
• Strobe Flash tube type: Xenon lamp
• Strobe Flash duration: 60 to 1000 microseconds
• Strobe Flash Energy: 4 Watt-Seconds ( Joules)
• Strobe Beam Angle: 80°
• Strobe Flash Color: White 6500°
