The LevelRat from Keller America proves that wastewater level transmitters don’t need to be bulky, that nonstick diaphragms don’t need to be large and fragile, lead times can be short, and that transmitters can be protected from lightning. It offers 0.5 percent FS TEB accuracy and dual outputs — analog and RS485 digital. Models equipped with a 4-20mA analog output include lightning protection carrying a lifetime guarantee against damage from electrical surge. 877/253-5537; www.kelleramerica.com; Booth 6446.