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Ultrasonic flow meter


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Technische Details
Product characteristics
Number of inputs and outputs Number of digital outputs: 2; Number of analogue outputs: 1
Measuring range [l/min] 0...20
Process connection threaded connection G 1/2
Application monitoring of cooling water
Medium temperature [°C] 5...80
Pressure rating [bar] 16
Electrical data
Operating voltage [V] 20...28 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; Number of analogue outputs: 1
Total number of outputs 2
Output signal switching signal; analogue 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] 250; (per output)
Number of analogue outputs 1
Analogue current output [mA] 4...20; (scalable)
Max. load [Ω] 500
Analogue voltage output [V] 0...10; (scalable)
Min. load resistance [Ω] 2000
Short-circuit protection yes
Type of short-circuit protection pulsed
Overload protection yes
Measuring/setting range
Measuring range [l/min] 0...20
Display range [l/min] 0...24
Set point SP [l/min] 0.2...24
Reset point rP [l/min] 0...23.8
Analogue start point ASP [l/min] 0...16
Analogue end point AEP [l/min] 8...24
In steps of [l/min] 0.1
Accuracy / deviations
Flow monitoring
Temperature gradient [K/min] 200
Accuracy (in the measuring range) < ± 3
Response times
Flow monitoring
Response time [s] 1
Delay time programmable dS, dr [s] 0...50
Software / programming
Parameter setting options hysteresis / window; normally open / normally closed; switching logic; current/voltage output; start-up delay; adaptation of displayed values; display can be deactivated; Display unit
Operating conditions
Ambient temperature [°C] 10...60
Protection IP 65
Tests / approvals
EN 61000-4-2 ESD 4 kV CD / 8 kV AD
EN 61000-4-3 HF radiated 10 V/m
EN 61000-4-4 Burst 2 kV
EN 61000-4-6 HF conducted 10 V
Shock resistance
DIN IEC 68-2-27 30 g (11 ms)
Vibration resistance
DIN IEC 68-2-6 5 g (10...2000 Hz)
Mechanical data
Materials brass; ABS; PA
Materials (wetted parts) gunmetal (2.1096.01); stainless steel (1.4435 / 316L); PPR (Hostalen); EPDM 80 Shore A; PES (Ultrason 2010); Centellen 200
Process connection threaded connection G 1/2
Displays / operating elements
switching status 2 x LED, yellow
calibration indicator 1 x LED, yellow
measured values 7-segment LED display
programming 7-segment LED display
Display unit l/min; gal/min; l/h; gal/h; m³/h
Pack quantity 1 pcs.
Electrical connection
Connection Connector: 1 x M12; Contacts: gold-plated
ifm electronic gmbh • Friedrichstraße 1 • 45128 Essen — We reserve the right to make technical alterations without prior notice. — EN-GB — SU0501-00 — 23.09.2003 —