ifm Electronic SU7021 Ultraschall Durchflusssensor

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: G 3/4 DN20 external thread

Application

• Special feature: Gold-plated contacts
• Media: ultra-pure water; water; hydrous media
• Note on media: hydrous media: for media with >10 % additives, the repeatability is the only available value
• 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; analogue signal; IO-Link; frequency signal; diagnostic signal; totaliser switching signal
• Electrical design: PNP/NPN
• Output function: normally open / normally closed; (parameterisable)
• Max. voltage drop switching output DC [V]: 2
• Permanent current rating of switching output DC [mA]: 100
• Switching frequency DC [Hz]: 0...10000
• Analogue current output [mA]: 4...20
• Max. load [Ω]: 500
• Pulse output: flow rate meter
• Short-circuit protection: yes
• Type of short-circuit protection: pulsed
• 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.