GraLab 645 Dark-Room Timer - Intervalometer

The Gralab 645 timers offer reliable push-button time control in tenths of seconds from 1 second to 59 minutes, 59.9 seconds with automatic reset and quartz crystal repeatable accuracy. Half inch high numbers in the bright, five-digit LED display are easily read and can be dimmed or turned off at the touch of a button.

Timers feature switching capability for most inductive loads, a choice of count up or count down modes of operation, two independently-controlled 600 watt AC outlets with parallel logic-level compatible output jacks, four audio signal options, and a foot switch jack for convenient, “hands-free” Start/Hold operation with an optional GraLab 560 accessory footswitch (not included).

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