The SE-1100 noncontact engine tachometer features an ignitionspark-detection method that makes it safe and easy to use. The handheld tach weighs about 110 gm including batteries. Rpm updates every second. A red LED blinks to verify good readings. A switch lets users select various settings for single-cylinder, distributor-type, and without distributor-type multicylinder engines.

Ono Sokki Technology Inc., 2171 Executive Dr., #400, Addison, IL 60101, (630) 627-9700.