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Gra Lab

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$299.95

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Item Includes Description Features Specifications

Gralab 555 Electronic Digital Switching Timer

Mfr. Part: GR555     SKU: GL555

Gralab 555 Electronic Digital Switching Timer

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We ran out of this Item Temporarily.
Please note: You can order this now and as soon as it arrives we will ship it to you.
We do not charge you for any backordered item.
We only charge your card when we actually ship.

Description
Replacing the 545/645, the 555/655 are 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. The 555/655 series features:

Features
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

Specifications
Time Range.1 second to 59 minutes 59.9 seconds
in minutes, seconds and tenths of a second
AccuracyBetter than ±.015% @ 10 seconds (25°C ambient, no load)
Repeatability: + .005% @ 10 seconds (25°C ambient, no load)
Max. Lamp Load500W
Max. Resistive Load1000 W
Max. Motor Load1/4 HP
Number of Outlets2 Function under timer control or independently
Audible Options4: One second long tone at end of cycle
Warning tone at 30 second intervals
One second interval metronome
No tone
MemorySingle
Display5 1/2' inch LED's
3 brightness levels/ Off
Auto ResetYes
Foot SwitchYes
Voltage100-130 VAC, 50/60 Hz
Housing MaterialPlastic
  
 
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