Precision Digital level meterThe PD6801 ProtEX F&I explosion-proof level meter from Precision Digital Corp. is designed for safe and hazardous environments. The 4-20 mA loop-powered input displays the level in feet and inches. A second line shows volume, percent or custom label. A 20-segment tank level indicator displays height. The meter has FM, ATEX, CSA and IECEx approvals and is housed in a cast aluminum NEMA 4X enclosure. Through-glass buttons permit operation without removing the cover. 800/343-1001; www.predig.com.Hach TOC analyzerThe BioTector B3500c TOC analyzer from Hach Co. was designed to meet the requirements of clean water applications, including condensate return,
