GraLab Model 171 general purpose 60-minute timer has a 6” inch face (diameter), with two numbered rings; one for tracking elapsed time, and one for stop watch use; two hands for setting by minutes and seconds, and two outlets for automatic switching between external devices. The electric motor provides + or - .015% accuracy. The timer has a nonconductive plastic case and rubber base pads to help protect against impact, chemicals, moisture, and electrical shock, with a recessed handle for easy gripping, and keyholes for wall mounting. The timer has an automatic alarm with adjustable volume. Electromechanical timers are commonly used in laboratory, darkroom, restaurant, manufacturing, and sporting event settings.

The GraLab Model 171 timer has a 6.5” face (Diameter), measures 7.5 x 7.5 x 2.5 inches (H x W x D), and weighs 3.0 lb. (H is height, the vertical distance from lowest to highest point; W is width, the horizontal distance from left to right; D is depth, the horizontal distance from front to back.) The Model 171 has a limited one-year warranty.

GraLab manufactures electromechanical timers. The company is headquartered in Centerville, OH, and meets International Organization for Standardization (ISO) 9001:2000 standards.