ifm Electronic SI0521 Strömungswächter

Product characteristics

• Number of inputs and outputs: Number of digital outputs: 2
• Process connection: M18 x 1,5 internal thread

Application

• Media: Liquids
• Medium temperature [°C]: -15...70
• Pressure rating [bar]: 300

Electrical data

• Operating voltage [V]: 24 DC; (18...32 DC)
• Current consumption [mA]: < 60
• Protection class: III
• Reverse polarity protection: yes
• Power-on delay time [s]: 10

Inputs / outputs

• Number of inputs and outputs: Number of digital outputs: 2

Outputs

• Total number of outputs: 2
• Output signal: switching signal
• Electrical design: PNP
• Number of digital outputs: 2
• Output function: normally open / normally closed; (parameterisable)
• Max. voltage drop switching output DC [V]: 2.5
• Permanent current rating of switching output DC [mA]: 250
• Short-circuit protection: yes
• Type of short-circuit protection: pulsed
• Overload protection: yes

Measuring/setting range

• Probe length L [mm]: 45
• Setting range [cm/s]: 3...300
• Greatest sensitivity [cm/s]: 3...100

Accuracy / deviations

• Repeatability [% of Sr]: 1...5
• Note on repeatability: for water 5...100 cm/s; 25 °C
, Factory setting
• Temperature drift [cm/s x 1/K]: 0.1; (for water 5...100 cm/s; 15...70 °C)
• Temperature gradient [K/min]: 300
• Switch point accuracy [cm/s]: ± 10; (for water 5...100 cm/s; 25 °C; Factory setting)
• Hysteresis [cm/s]: 2...5; (for water 5...100 cm/s; 25 °C; Factory setting)

Response times

• Response time [s]: 1...10

Software / programming

• Adjustment of the switch point: pushbutton

Operating conditions

• Ambient temperature [°C]: -25...80
• Storage temperature [°C]: -25...100
• Protec