REED R7140 Combination Contact / Laser Photo Tachometer

 Features:          (Replaced Model K4010)

• Automatically holds last reading for 5 minutes and recalls minimum and maximum readings
• Characters on the 5-digit display reverse direction depending on which measurement mode you are in
• Microcomputer LSI circuitry provides accuracy to 0.05% and permits readings to a resolution of 0.1 RPM in either photo or contact mode
• ABS plastic housing assures years of maintenance free performance
• Designed to fit comfortably in either hand
• Includes: 3 contact adapters (2 cones, 1 funnel), surface speed wheel, reflective tape, batteries and hard carrying case
• NIST Traceable Certification Available

Specifications:

• Photo Range: 5 to 99,999 rpm
• Contact Range: 0.5 to 19,999 rpm
• Surface Speed Range: 0.05 to 1,999.9 mpm
  (0.2 to 6,560 fpm)
• Resolution: 0.1 rpm ≤ 999.9 rpm, 1 rpm > 1000 rpm;
  0.1 mpm ≤ 99.99 mpm, 1 mpm > 100 mpm)
  (0.1 fpm ≤ 99.99 fpm, 1 fpm >1000 fpm)
• Accuracy: ±(0.5% + 1 digit)
• Sampling Time: Photo: 1 sec. > 6 rpm;
  Contact: 1 sec. > 60 rpm
• Detecting Distance: 50 to 150 mm (2 to 6") typically;
  300 mm (12") max.
• Display: 5 digit LCD 10 mm high
• System Control: Single chip micro computer LSI circuit
• Power Supply: (4) 1.5V "AA" batteries
• Dimensions: 8.5 x 2.6 x 1.5" (215 x 65 x 38 mm)
• Weight: 10.6 oz (300g)
• Spec Sheet (PDF)