ifm Electronic SM7120 Magnetisch induktiver Durchflusssensor

Product characteristics

• Number of inputs and outputs: Number of digital outputs: 2; Number of analogue outputs: 1
• Measuring range: 0.1...75 l/min, 0.006...4.5 m³/h, 1.2...1190 gph, 0.02...19.82 gpm
• Process connection: G 3/4 DN20 flat seal

Application

• Special feature: Gold-plated contacts
• Media: conductive liquids; water; hydrous media
• Note on media: conductivity: ≥ 20 µS/cm
, viscosity: < 70 mm²/s (40 °C)
• Medium temperature [°C]: -20...90
• Pressure rating [bar]: 16

Electrical data

• Operating voltage [V]: 18...30 DC; (to SELV/PELV)
• Current consumption [mA]: < 80
• Protection class: III
• Reverse polarity protection: yes
• Power-on delay time [s]: 5

Inputs / outputs

• Number of inputs and outputs: Number of digital outputs: 2; Number of analogue outputs: 1

Inputs

• Inputs: counter reset

Outputs

• Total number of outputs: 2
• Output signal: switching signal; analogue signal; pulse signal; IO-Link; frequency signal; (configurable)
• Electrical design: PNP/NPN
• Number of digital outputs: 2
• Output function: normally open / normally closed; (parameterisable)
• Max. voltage drop switching output DC [V]: 2
• Permanent current rating of switching output DC [mA]: 100
• Number of analogue outputs: 1
• Analogue current output [mA]: 4...20; (scalable)
• 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: 0.1...75 l/min, 0.006...4.5 m³/h, 1.2...1190 gph, 0.02...19.82 gpm
• Display range: -90...90 l/min, -5.4...5.4 m³/h, -1426.8...1426.8 gph, -23.78...23.78 gpm
• Resolution: 0.1 l/min, 0.006 m³/h, 0.6 gph, 0.01 gpm
• S