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T: 514-354-2511
T: 1 800 463-4363
F: 514-354-6948
Timer and electronic intervalometer Material Testing

Timer and electronic intervalometer

Product Code:655

Need more Info? (514) 354-2511 - 1-800-463-4363

Two digital timers in one unit with programmable memories that work independently or interactively for any cycling need. Tenth of a second accuracy up to 60 minutes.

Replacing the 545/645, the 555/655 are brand new and ready to go to work for you. These timers are excellent performers for timing kinetic experiments, start and stop times for gas chromatography, safety shutoff on critical equipment, centrifuges, x-ray equipment and quality control analysis. The 555/655 have an instantly repeatable time cycle, and these digital circuits react little to power line interference and none to frequency variations. 


  • Extensive timing capacity...from .1 second to 59 minutes 59.9 seconds
  • Ability to count down or up
  • Ability to function as a stop watch
  • Display made up of 5 LED's...1/2' inch to report minutes, seconds and tenths of a second
  • Automatic reset feature with the capability to repeat a cycle over and over by pushing a single button
  • LED lights indicate which outlet is on
  • LED light indicator for count down/up function
  • Display intensity options
  • 3 brightness levels
  • Off
  • Variable audio signal
  • One second long tone at end of cycle
  • Warning tone at 30 second intervals
  • One second interval metronome
  • No tone
  • 2 outlets
  • Cycle on or off time
  • Function under timer control or independently
  • 2 output jacks...provide logic level compatible signals parallel with the corresponding AC outlets


Accuracy Better than +/- .015% @ 1 second (20 degrees C ambient, no load)
Repeatability + .005% @ 10 seconds (25ºC ambient, no load)
Temperature Range 0º to 55ºC
Humidity 0-95% noncondensing
Voltages Input voltage 100-130 VAC, 50/60 Hz
AC Outlet Power Rating @120 VAC
Max Lamp Load 500W
Max Resistive Load 1000 W
Max Motor Load 1/4 HP


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