Sight gauges

HSG-77-5-EL series of Elesa electric sight/level gauges generates an electric signal when oil level drops to a minimum. It also has a visual reading. Transparent polyamide technopolymer design tolerates shock, solvents, oils with additives, aliphatic and aromatic hydrocarbons, petro, naphtha, and phosphoric esters. It operates in temperatures to 212°F and features Buna-N O-ring seals, and zinc-plated bolts.

Hydro-Craft Inc., (248) 652-8100, www.hydro-craft.com