GraLab Model 451R Electronic Timer

BH #GR451R • MFR #GR451R
GraLab Model 451R Electronic Timer
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GraLab GR451R Overview

The Gralab Model 451 is a dual memory switching timer/ intervalometer. It has all of the features as the 450, plus two independent, separately programmable memories allowing for operation as a single cycle switching timer as well as a continuously recycling intervalometer.

It also has a third time option that is adjustable in increments from 1 to 99 minutes.

Built-in metronome
Temperature range from 0-55C, Humidity range from 0-95% non-condensing
Backlit keys
UPC: 782365000443

GraLab GR451R Specs

Time RangeChoice of three ranges: 1-99 in mins.; 1-99 in secs.; .1-9.9 in tenths of secs.
Maximum Wattage (Load)600w
Maximum Resistive Load1200w
Number of OutletsOne
Audible OptionsThree; End of cycle tone, once every second, or none at all
MemoryTwo, separately programmable
DisplayTwo adjustable LEDs (for brightness, or can be switched off completely)
Auto ResetYes
Foot SwitchYes
Voltage120v/50/60Hz. (Available in 220v model)
Dimensions3.5 x 4 x 8"
SpecialtiesTable or wall mountable
Packaging Info
Package Weight2.1 lb
Box Dimensions (LxWxH)12 x 9.3 x 5.4"
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Do this can be used with a Breseller printmaker 35?
Asked by: Eugenia S.
Yes, the Beseler Printmaker 35 Condenser Enlarger would be compatible for use with the the GraLab Model 451R Electronic Timer.
Answered by: Manzell L.
Date published: 2018-08-27


Can this timer be used with the Super Chromega D Dichroic II enlarger?
Asked by: Anonymous
NO, you will need a timer with a stabilizer for the color head such as the chromegatrol timer
Answered by: damian j.
Date published: 2018-08-27


Do you have a foot switch for this unit?
Asked by: Anonymous
Answered by: DONA ANN M.
Date published: 2018-08-27
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