Extech 461895 Bruksanvisning

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User's Guide
COMBINATION CONTACT/PHOTO TACHOMETER
Model 461895
461895-EN V2.1 8/13
2
Introduction
Congratulations on your purchase of the Extech Combination Contact/Photo
Tachometer, Model 461895. The combination tachometer is a patented design providing
contact and non-contact RPM measurements. In addition, linear surface speeds can be
measured in ft/min or m/min. Careful use of this device will provide years of reliable
operation.
461895-EN V2.1 8/13
3
Specifications
General Specifications
Circuit Custom one-chip LSI microprocessor circuit
Time base Quartz crystal
Display 5 digit LCD display
Measurements Photo Tachometer - 5 to 99,999 rpm
Contact Tachometer - 0.5 to 19,999 rpm
Surface Speed - 0.2 to 6,560 ft/min
Surface Speed - 0.05 to 1999.9 m/min
Memory Saves LAST, MAX, and MIN readings
Sampling Time Photo Tachometer - 1 sec. (over 60 rpm)
Contact Tachometer - 1 sec. (over 6 rpm)
Detecting Distance -
Photo Tachometer
2 to 6” (50 to 150 mm) depending on ambient light
Operating Temperature 32 °F to 122 °F (0 °C to 50 °C)
Power Supply Four 1.5 V AA batteries
Weight 0.66 lbs / 300g (including battery)
Size 8.5 x 2.6 x1.5” (215 x 65 x 38mm)
Accessories Reflective tape (23"), cone and funnel rpm adaptor, surface
speed wheel, and carrying case
Electrical Specifications
Accuracy
(% rdg)
Photo
Tachometer
±(0.05% + 1d)
Contact
Tachometer
Surface
Speed
± (1% rdg + 1d)
Surface
Speed
0.05 to 1999.9 m/min 0.01 m/min (0.05 to 99.99 m/min)
0.1 m/min (over 100 m/min)

Produktspecifikationer

Varumärke: Extech
Kategori: Vägmätare
Modell: 461895

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