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Ultrasonic flow meter


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  • Precise measurement of flow, consumption and medium temperature
  • Suitable for water, oils and glycol solutions
  • For installation in pipes
  • With switching output, analogue output and pulse output
  • Clearly visible 4-digit LED display
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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
0...100 l/min 0...6 m³/h
Process connection threaded connection G 1 flat seal
Special feature Gold-plated contacts
Application totaliser function; for industrial applications
Installation connection to pipe by means of an adapter
Media water; glycol solutions; coolants; oil
Note on media
low-viscosity oils with viscosity: 7...40 mm²/s (40 °C)
high-viscosity oils with viscosity: 30...68 mm²/s (40 °C)
Medium temperature [°C] -10...80
Pressure rating [bar] 16
Electrical data
Operating voltage [V] 19...30 DC; (according to EN 50178 SELV/PELV)
Current consumption [mA] 100
Min. insulation resistance [MΩ] 100; (500 V DC)
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
Inputs counter reset
Total number of outputs 2
Output signal switching signal; analogue signal; pulse 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
Pulse output flow rate meter
Short-circuit protection yes
Type of short-circuit protection pulsed
Overload protection yes
Measuring/setting range
Measuring range
0...100 l/min 0...6 m³/h
Display range
0...120 l/min 0...7.2 m³/h
0.1 l/min 0.005 m³/h
Set point SP
0.2...100 l/min 0.01...6 m³/h
Reset point rP
0...99.8 l/min 0...5.99 m³/h
Analogue start point ASP
0...80 l/min 0...4.8 m³/h
Analogue end point AEP
20...100 l/min 1.2...6 m³/h
Max. flow rate
110 l/min 6.6 m³/h
In steps of
0.1 l/min 0.005 m³/h
Volumetric flow quantity monitoring
Pulse value 0.1 l...1 000 000 m³
Pulse length [s] 0,025...2
Temperature monitoring
Measuring range [°C] -10...80
Resolution [°C] 0.2
Set point SP [°C] -9.8...80
Reset point rP [°C] -10...79.8
Analogue start point [°C] -10...62
Analogue end point [°C] 8...80
In steps of [°C] 0.2
Accuracy / deviations
Flow monitoring
Accuracy (in the measuring range) < ± (3 % MW + 0,2 % MEW) / < ± (5 % MW + 0,5 % MEW); (water; glycol: 35%; oil: viscosity 68 mm²/s at 40 °C)
Repeatability 0,2 l/min; 12 l/h; 0,012 m³ /h
Temperature monitoring
Accuracy [K] ± 3 (Q > 1 l/min)
Response times
Flow monitoring
Response time [s] 0.25; (dAP = 0)
Delay time programmable dS, dr [s] 0...50
Damping for the switching output dAP [s] 0...1
Temperature monitoring
Dynamic response T05 / T09 [s] T09 = 70 (Q > 5 l/min); (water)
Software / programming
Parameter setting options Flow monitoring; quantity meter; Preset counter; Temperature monitoring
Operating conditions
Ambient temperature [°C] -10...60
Storage temperature [°C] -25...80
Protection IP 67
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 61000-4-5 Surge 0,5 kV
EN 61000-4-6 HF conducted 10 V
Shock resistance
DIN IEC 68-2-27 20 g (11 ms)
Vibration resistance
DIN IEC 68-2-6 5 g (10...2000 Hz)
MTTF [years] 185
Pressure Equipment Directive Sound engineering practice; can be used for group 2 fluids; group 1 fluids on request
Mechanical data
Weight [g] 1711
Materials housing: AlMgSi0,5 anodised; Sealing: FKM; connector housing: brass Optalloy-plated; PA 6.6; cover film: PA
Materials (wetted parts) stainless steel (1.4404 / 316L); FKM; PES; Centellen 200
Process connection threaded connection G 1 flat seal
Displays / operating elements
Display unit 6 x LED, green (l/min, m³/h, l, m³, 10³, °C)
switching status 2 x LED, yellow
measured values alphanumeric display, 4-digit
programming alphanumeric display, 4-digit
Accessories (supplied)
sealings: 2, Centellen
Accessories (optional)
adapter for pipe: 1 x R1/2, stainless steel, E40179
adapter for pipe: 1 x R3/4, stainless steel, E40180
adapter for pipe: 1 x R1/2, brass, E40152
adapter for pipe: 1 x R3/4, brass, E40153
MW = measured value
MEW = Final value of the measuring range
sealing: only with supplied Centellen seals
Pack quantity 1 pcs.
Electrical connection
Connection Connector: 1 x M12; Moulded body: brass, Optalloy-plated; Contacts: gold-plated
Diagrams and graphs
Pressure loss
dP Pressure loss
Q volumetric flow quantity
ifm electronic gmbh • Friedrichstraße 1 • 45128 Essen — We reserve the right to make technical alterations without prior notice. — EN-GB — SU8000-01 — 12.11.2014 —