This is a special order item and is non-cancelable and non-returnable. Est. arrival at B&H is 7-14 days (subject to availability). Your order will be charged at time of shipment.
The Gralab 555 Electronic Digital Timer has a "touch-type" dust and moisture resistant keypad that protects it in darkroom/lab conditions.
Digital timing circuits cycle off a quartz crystal time base with little reaction to power line interference and none to frequency variations.
This model has extensive timing capacity ranging from a tenth of a second timing up to 59 minutes, 59.9 seconds with automatic reset; repeat a cycle over and over by pushing a single button.
Half-inch high, red LED's display minutes, seconds and tenths. Adjust brightness from "high" to "off". independently of the timed switch.
Compact and lightweight, The Gralab 555 at 2.25 x 4.5 x 9.25", can be positioned at a 20-25 degree angle on its own stand, sit on rubber pads which provide traction on flat surfaces, or wall mounted using keyhole slots on its underside.
This models feature a permanent plastic boot over the power and outlet control switches to prevent contamination or corrosion.
| Time Range | .1sec - 59mins/59.9secs. |
| Maximum Wattage (Load) | 500w |
| Maximum Resistive Load | 1000w |
| Number of Outlets | Two, 600w/each: Can be set to function in normal safelight/enlarger sequence, turned off, or turned on continuously |
| Audible Options | Four: End of cycle tone, once every second, tenth of a sec. every half minute with metronome for last 10 secs. and tone at end, or none at all |
| Memory | One |
| Display | Five digit LEDs displayed in red half-inch numerals - two for minutes, two for seconds and one for tenths of secs. Three positions possible: Full or half intensity, or off. |
| Auto Reset | Yes |
| Foot Switch | Yes, optional. |
| Voltage | 120v/50/60Hz. (Available in 220v model) |
| Dimensions | 2.25 x 4.5 x 9.75" (57.2 x 114.3 x 248 mm) |
| Weight | 2.55 lb (1157 g) (shipping weight) |
| Specialties | Table or wall mountable |