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SQ0500

Flow meter

SQR18DXBFPKG/US-100

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Your ifm team

  • For low flow rates
  • Suitable for water and aqueous solutions
  • Precise measurement of flow, consumption and medium temperature
  • Fast response time and high response sensitivity
  • Clearly visible LED display
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  • eac
  • cul
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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 [ml/min] 1...200
Process connection threaded connection G 1/8
Application
Media water; hydrous media
Medium temperature [°C] 0...60
Pressure rating [bar] 10
Electrical data
Operating voltage [V] 19...30 DC; (according to EN 50178 SELV/PELV)
Current consumption [mA] < 110
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
Outputs
Total number of outputs 2
Output signal switching signal; analogue signal; pulse signal; (configurable)
Electrical design PNP
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
Pulse output consumed quantity meter
Short-circuit protection yes
Type of short-circuit protection pulsed
Short-circuit proof yes
Overload protection yes
Measuring/setting range
Measuring range [ml/min] 1...200
Display range [ml/min] 0...240
Set point SP [ml/min] 6...200
Reset point rP [ml/min] 1...195
Analogue start point ASP [ml/min] 0...150
Analogue end point AEP [ml/min] 50...200
In steps of [ml/min] 1
Measuring dynamics 1:200
Volumetric flow quantity monitoring
Pulse value 0.1...2000000000 ml
In steps of 0.1...1000000 ml
Pulse length [s] 0,0125...2
Temperature monitoring
Measuring range [°C] 0...60
Display range [°C] 0...72
Set point SP [°C] 1.8...60
Reset point rP [°C] 0.3...58.5
Analogue start point [°C] 0...45
Analogue end point [°C] 15...60
In steps of [°C] 0.1
Accuracy / deviations
Flow monitoring
Accuracy (in the measuring range) ± (15 % MW + 2 % MEW); (The values apply for the following conditions:; Application: water; Medium temperature: 20 °C; Ambient temperature: 22...28 °C; unit with mounted flow conditioner)
Repeatability ± 3% MW
Response times
Flow monitoring
Response time [s] 0.3; (dAP = 0; for rising flow; for falling flow)
Damping for the switching output dAP [s] 1...5
Damping for the switching output dAP in steps [s] 0 - 0,2 - 0,4 - 0,6 - 0,8 - 1...5
Software / programming
Parameter setting options Flow monitoring; quantity meter; Preset counter; Temperature monitoring
Operating conditions
Ambient temperature [°C] 0...60
Storage temperature [°C] -25...85
Protection IP 65
Tests / approvals
EMC
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 (55...2000 Hz)
MTTF [years] 231
Mechanical data
Weight [g] 453
Materials stainless steel (1.4404 / 316L); PC; PBT-GF20; POM; FKM
Materials (wetted parts) stainless steel (1.4404 / 316L); NBR
Process connection threaded connection G 1/8
Displays / operating elements
Display
Display unit 3 x LED, green (ml/min, ml, °C)
function display 2 x LED, yellow
switching status 2 x LED, yellow
measured values alphanumeric display, 4-digit
programming alphanumeric display, 4-digit
Remarks
Remarks
MW = measured value
MEW = Final value of the measuring range
Pressure drop without flow conditioner: max. 5 mbar.
Pressure drop with flow conditioner: max. 23 mbar.
Pack quantity 1 pcs.
Electrical connection
Connection Connector: 1 x M12
ifm electronic gmbh • Friedrichstraße 1 • 45128 Essen — We reserve the right to make technical alterations without prior notice. — EN-GB — SQ0500-01 — 26.03.2012 —