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The GraLab 451 Digital Electronic Timer has adjustable controls for display brightness, AC outlet power, audio signal choices and countdown time ranges. Its time range can be set from minutes to seconds that will be visible through its 2 LED displays.The GraLab digital timer has two programmable memories for continuous or switching cycling with its auto-start feature.

Specifications:

• Accuracy: ± .01% @ 1 second relative to power frequency (20°C ambient, no load)
  
• Repeatability: ± .005% @ 1 second relative to power frequency (20°C ambient, no load)
  
• Temperature Range: 0°C to 55°C
  
• Humidity: 0 to 95% non-condensing
  
• Timer Range: 1 - 99 minutes
  
• Timer Range: 1 - 99 seconds
  
• Voltages: 100-130 VAC,
  
• AC Outlet Power Rating: 120 VAC
  
• Max Lamp Load: 600 W
  
• Max Resistive Load: 1200 W
  
• Max Motor Load: 1/3 HP
  
• Automatic Buzzer: 3 audio signal choices