Gralab 555 Electronic Digital Switching Timer
Mfr. Part: GR555 SKU: GL555
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This item is currently out of stock and on backorder.
Please note: You can order this now and have us ship it as soon as it arrives.
We will not charge your card for any backordered items, until it is ready to actually ship. |
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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
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Extensive timing capacity...from .1 second to 59 minutes 59.9 seconds |
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Ability to count down or up |
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Ability to function as a stop watch |
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Display made up of 5 LED's...1/2' inch to report minutes, seconds and tenths of a second |
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Automatic reset feature with the capability to repeat a cycle over and over by pushing a single button |
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LED lights indicate which outlet is on |
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LED light indicator for count down/up function |
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Display intensity options: 3 brightness levels / Off |
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Variable audio signal: |
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One second long tone at end of cycle |
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Warning tone at 30 second intervals |
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One second interval metronome |
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No tone |
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2 outlets: Cycle on or off time/Function under timer control or independently |
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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 |
| Accuracy | Better than ±.015% @ 10 seconds (25°C ambient, no load)
Repeatability: + .005% @ 10 seconds (25°C ambient, no load) |
| Max. Lamp Load | 500W |
| Max. Resistive Load | 1000 W |
| Max. Motor Load | 1/4 HP |
| Number of Outlets | 2 Function under timer control or independently |
| Audible Options | 4: One second long tone at end of cycle
Warning tone at 30 second intervals
One second interval metronome
No tone |
| Memory | Single |
| Display | 5 1/2' inch LED's
3 brightness levels/ Off |
| Auto Reset | Yes |
| Foot Switch | Yes |
| Voltage | 100-130 VAC, 50/60 Hz |
| Housing Material | Plastic |
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