; "Model 555 Electronic Switching Timer")
The 555 is ready to go to work for you. This timer is excellent 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 has an instantly repeatable time cycle. The 555 features:
- Extensive timing capacity...from .1 second to 59 minutes 59.9 seconds
- Ability to count down or up
- 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 in countdown mode only
- 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
