Product characteristics Measuring range 0.5...75 l/min 0.03...4.5 m³/h 8...1189 gph 0.13...19.81 gpm Process connection 3/4" NPT DN20 external thread Application System gold-plated contacts Media ultra-pure water; water; water-based media; glycol solutions; oils; Coolants Note on media water-based media: for media with >10 % additives, the repeatability is the only available value low-viscosity oils with viscosity: 7...40 mm²/s (40 °C) high-viscosity oils with viscosity: 30...68 mm²/s (40 °C) Medium temperature -20...100 °C -4...212 °F Min. bursting pressure 150 bar 15 MPa Pressure rating 100 bar 10 MPa Vacuum resistance [mbar] -1000 Electrical data Operating voltage [V] 18...32 DC; (to SELV/PELV) Current consumption [mA] < 75 Protection class III Reverse polarity protection yes Power-on delay time [s] 5 Measuring principle ultrasonic Inputs Inputs counter reset Outputs Total number of outputs 2 Output signal switching signal; pulse signal; analog signal; IO-Link; frequency signal; diagnostic signal; totalizer switching signal Electrical design PNP/NPN Output function normally open / closed; (configurable) Max. voltage drop switching output DC [V] 2 Permanent current rating of switching output DC [mA] 100 Switching frequency DC [Hz] 0...10000 Analog current output [mA] 4...20 Max. load [Ω] 500 Pulse output flow rate meter Short-circuit protection yes Type of short-circuit protection yes (non-latching) Overload protection yes Measuring/setting range Measuring range 0.5...75 l/min 0.03...4.5 m³/h 8...1189 gph 0.13...19.81 gpm Display range -90...90 l/min -5.4...5.4 m³/h -1427...1427 gph -23.78...23.78 gpm Resolution 0.1 l/min 0.002 m³/h 1 gph 0.01 gpm Set point SP 0.9...75 l/min 0.055...4.5 m³/h 15...1189 gph 0.24...19.81 gpm Reset point rP 0.5...74.6 l/min 0.032...4.477 m³/h 9...1183 gph 0.14...19.71 gpm Analog start point ASP -75...60 l/min -4.5...3.6 m³/h -1189...951 gph -19.81...15.85 gpm Analog end point AEP -60...75 l/min -3.6...4.5 m³/h -951...1189 gph -15.78...19.81 gpm Low flow cut-off LFC 0.5...3.2 l/min 0.03...0.195 m³/h 8...59 gph 0.13...0.99 gpm Frequency end point, FEP 15...75 l/min 0.903...4.5 m³/h 238...1189 gph 3.97...19.81 gpm Frequency at the end point FRP [Hz] 1...10000 Volumetric flow quantity monitoring Pulse length [s] 0.002...2 Pulse value 0.02...99990000 l; 0.005...26414563.515 gal Temperature monitoring Measuring range -20...100 °C -4...212 °F Display range -44...124 °C -47.2...255.2 °F Resolution 0.1 °C 0.1 °F Set point SP -19.6...100 °C -3.2...212 °F Reset point rP -20...99.6 °C -4...211.2 °F Analog start point -20...76 °C -4...168.8 °F Analog end point