The 505L is a combination photo and contact tachometer that also measures surface speeds of belts and wheels.

• Measure motor input and output
  shaft speed
• Determine conveyor belt speed
• Confirm fan, motor, and gear RPM
• Measure RPM of flywheels and pumps
• Monitor pulley rotation RPM and turbine speeds
• Mutifunctions : Photo Tach & Contact Tach & Surface Speed
• Wide Measuring Range: 6 to 30,000 RPM
• Last Value, Max Value, Min Value: Automatically Saved and Recalled

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