... circuit, digital circuit and microprocessor. It converts fluid flow signal into corresponding analog voltage signal which then ... Flange standard: JB/T82.1-94, JB/T82.2-94(raised face flange).QualificationsOperating voltage: DC24V.Power ... proof markexplosion-proof certificateIntrinsically safe ExibIICT4GYB02163Isolating explosionExdIIBT4GYB02162Measuring rangefor water, 2.5--100000L/h (20°C), for air, ...