Multi-functions, one instrument combine Photo Tachometer (RPM) and Contact Tachometer (RPM, m/min., ft/min.).

• Wide measuring range : 0.5 to 100,000 RPM.
• < 1,000 RPM, 0.1 RPM resolution .
• High precision with 0.05% accuracy.
• Memorize the last value, max., value,
  min. value.
• High visible LCD display.
• Exclusive one chip LSI circuit & crystal time base
• The use of durable, long lasting components, including a strong, light weight ABS plastic housing, assures almost maintenance free performance for many years.