EXTECH 461831-NIST Digital StroboTach (100 to 10,000 FPM/RPM)

Detection Type: Non-Contact Photo

Calibration Included: NIST Calibration

Power Supply Voltage: Battery Powered

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

Electrical Specifications

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°K

Datasheet