Photo Tachometer

Category: .
Take readings from revolving shafts on drill presses, grinders, lathes and other machines.
  • Infrared light source, micro-processor controlled crystal display.
  • Strong magnetic base is included.

Machine speed: It is critical for proper machining operations. Speeds too fast or too slow can shorten tool life and cause expensive, unnecessary machine downtime. This digital photo tach can take readings from revolving shafts on drill presses, grinders, lathes and other machines. It can also be used to check engine operation on in-plant vehicles like forklifts. The 3344 is accurate to within ± 1 rpm. The 13/32″ high liquid crystal display is easily visible even in high ambient light areas.

Read Out Liquid crystal display: 4 (13/32″ high) digits, low battery indicator, memory mode indicator, high and low RPM memory mode indicator.
Range 200 to 9999 rpm. Accuracy: ± .25%, ± 1 rpm. Update time: 3/4 second.
Power Switch Membrane switch (automatic shut-off after one minute of no signal input).
Power Source 9 volt alkaline battery. Light source: Infrared with 15-foot plug-in cable.
Light holder assembly 30 lb. rated magnet; 2″ dia. x 1/4″ high (4″ high overall with post).
Size 3 3/8″ w, 6″ h x 1 1/2″ d.
C case 13 1/2″ w, 10″ h x 4″ d.
Order No. Description Weight
3344A Digital Photo Tachometer. With memory, photo probe assembly, magnetic base, 108″ of reflective tape and plastic case. 4.5
39811 Replacement magnetic base assembly. 0.3
45329 Replacement photo probe assembly. 0.4
204666 Replacement retro-reflective indicator tape, 108″ long x 1/2″ wide. 0.1

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