DT6636B เครื่องวัดความเร็วรอบด้วยแสงเลเซอร์ และระบบสัมผัส

Specifications:

• Measure  in ft/min and m/min
• Display  : 5 digits, 10mm(0.4") LCD with function annunciation
• Measurement
  • PHOTO TACH. : **2.5  to 99,999RPM  
  • CONTACT TACH. : 0.5 to 19,999 RPM
  • SURFACE SPEED(m/min)*:  0.05 to 1,999.9 (m/min)     
  • SURFACE SPEED (ft/min) : 0.2 to 6,560 ft/min
• Resolution
  • PHOTO TACH. :         
    • 0.1 RPM (2.5 to 999.9 RPM)        
    •  1  RPM (over 1,000 RPM)
  • CONTACT TACH. :   
    • 0.1 RPM (0.5 to 999.9 RPM)         
    • 1 RPM (over 1,000 RPM)
  • SURFACE SPEED (m/min) :    
    • 0.01  m/ min.(0.05 to 99.99m/min)         
    • 0.1 m/ min.(over 100 m/min)
  • SURFACE SPEED (ft/min) :   
    • 0.1 ft/min (0.1 to 999.9  ft/min)         
    • 1 ft/min (over 1000 ft/min)
• Accuracy  : ±(0.05% +1 digit)
• Sampling  Time :
  • PHOTO TACH. (1 sec, over 60 RPM)     
  • CONTACT TACH. (1 sec, over 60 RPM)   
• Photo  Tach. Detecting Distance: 50 to 500mm / 2 to 20 inch 
• Memory  : Last value, Max. value, Min.value 
• Test  Range Select : Automation
• Time  Base: Quartz crystal 
• Circuit  : Exclusive one chip of microcomputer LSI circuit 
• Battery:  4 x 1.5AA Battery 
• Operation  Temperature : 0-50°C (32-122°F)
• Size  : 215 x 65 x 38mm (8.5 x 2.6 x 1.5inch) 
• Weight  : 300g (0.661b) including battery