General Tools & Instruments CT801 Contact Tachometer

Primarily used for smaller motor speeds.

• Measure rotating object by changing contact spare wheels
• Precise contact measurement
• Auto ranging display
• Two operate buttons for any angle
• Hold function to freeze speed
• Auto power off (with disable)
• Low battery indicator

Includes:
• Battery
• Spare Wheels

Specifications:

• Contact range: 10 to 99,999 RPM
  
• Surface speed: 3 to 30,000 ft/min
  
• Resolution: 0.001; 0.01; 0.1; 1 RPM
  
• Accuracy: ±0.04% + 2 digits
  
• Sampling: 1 sec. ( >60 rpm)
  
• Dimensions: 5.9” x 2” x 1.3”
  
• Power source: 1 “9-volt” battery