Gralab™ Model 900

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The Model 900 programmable electronic timer
Nine memory modes and a choice of audio tones in the solid-state Model
900 are the features you need for
precise image-making. Eight programmable memory locations plus the
display memory interact with each other or
operate independently - for precisely-timed multiple images or multiple
exposures - useful for flashing to increase
contrast, testing film strips, film and paper processing, automatic
shut-off of wash cycle.

A 60-hour range in each of the memories allows you to program a time
range from 0.1 seconds to 59 hours, 59
minutes, 59 seconds - perfect for timelapse shots in the field or under
the microscope. Clear or recycle the display
memory after each timed cycle.

Four programming options allow you to choose memory location sequence,
function, audio or count. The memory
location index may be altered at the end of a timing cycle. Timer
outlets can be programmed to reset the memory
location or begin the next cycle at a new, pre-selected memory location
index. Tone alarms can be programmed to
indicate the end of a timing cycle with the timer counting down or up.

A quartz crystal time base reduces sensitivity to power line
interference and increases accuracy. Model 900 has a
3-wire grounded cord and two separate AC outlet receptacles. Also,
output and input jacks, which are optically
coupled, allow the timer to control or be controlled by a logic level
compatible signal.

Also available is an interface for switching equipment up to 15 amps.
Like New $100
Frank
items4sale@bellsouth dot net
 

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