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  4. Magnetic-inductive volumetric flow meters
  5. SM7400

Magnetic-inductive flow meter

SM7400

SMK34GGXFRKG/US-100

Magnetic-inductive flow meter

SM7400

SMK34GGXFRKG/US-100

  • Precise measurement of flow, consumption and medium temperature
  • High accuracy, repeatability and measurement dynamics
  • With switching output, analogue output and pulse output
  • Clearly visible 4-digit LED display
  • Convenient operation via buttons or parameter setting via IO-Link
  • dnv_gl
  • ce
  • ukca
  • cpa
  • cul
  • iolink
  • ec19352004
Product characteristics
Number of inputs and outputs Number of digital outputs: 2; Number of analogue outputs: 1
Measuring range
0.2...50 l/min 0.01...3 m³/h
Process connection threaded connection Rc 3/4 internal thread DN20
Application
Special feature Gold-plated contacts
Application totaliser function; for industrial applications
Media conductive liquids; water; hydrous media
Note on media
conductivity: ≥ 20 µS/cm
viscosity: < 70 mm²/s (40 °C)
Medium temperature [°C] -10...70
Pressure rating [bar] 16
Pressure rating [MPa] 1.6
Electrical data
Operating voltage [V] 18...30 DC; (to SELV/PELV)
Current consumption [mA] 95; (24 V)
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; (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] 200
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
0.2...50 l/min 0.01...3 m³/h
Display range
-60...60 l/min -3.6...3.6 m³/h
Resolution
0.1 l/min 0.001 m³/h
Set point SP
0.5...50 l/min 0.027...3 m³/h
Reset point rP
0.2...49.8 l/min 0.012...2.985 m³/h
Analogue start point ASP
0...40 l/min 0...2.4 m³/h
Analogue end point AEP
10...50 l/min 0.6...3 m³/h
In steps of
0.1 l/min 0.001 m³/h
Volumetric flow quantity monitoring
Pulse value 0.00001...50 000 m³
Pulse length [s] 0,005...2
Temperature monitoring
Measuring range [°C] -20...80
Resolution [°C] 0.2
Set point SP [°C] -19.2...80
Reset point rP [°C] -19.6...79.6
Analogue start point [°C] -20...60
Analogue end point [°C] 0...80
In steps of [°C] 0.2
Accuracy / deviations
Flow monitoring
Accuracy (in the measuring range) ± (0,8 % MW + 0,5 % MEW)
Repeatability ± 0,2% MEW
Temperature monitoring
Accuracy [K] ± 2,5 (Q > 5 l/min)
Response times
Flow monitoring
Response time [s] 0.15; (dAP = 0, T19)
Delay time programmable dS, dr [s] 0...50
Damping process value dAP [s] 0...5
Temperature monitoring
Dynamic response T05 / T09 [s] T09 = 20 (Q > 5 l/min)
Software / programming
Parameter setting options Flow monitoring; quantity meter; Preset counter; Temperature monitoring; hysteresis / window; normally open / normally closed; switching logic; current/voltage/pulse output; start-up delay; display can be deactivated; Display unit
Interfaces
Communication interface IO-Link
Transmission type COM2 (38,4 kBaud)
IO-Link revision 1.1
SDCI standard IEC 61131-9
Profiles Smart Sensor: Process Data Variable; Device Identification, Device Diagnosis
SIO mode yes
Required master port type A
Process data analogue 3
Process data binary 2
Min. process cycle time [ms] 5
Supported DeviceIDs
Type of operation DeviceID
default 572
Operating conditions
Ambient temperature [°C] -10...60
Storage temperature [°C] -25...80
Protection IP 67
Tests / approvals
EMC
DIN EN 60947-5-9
CPA approval
model number 001MI
accuracy class -
maximum allowable error ± 1,5 % FS
Q (min) 0,01 m³/h
Q (t) -
Q (max) 3 m³/h
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] 145
UL approval
UL Approval no. I010
Pressure Equipment Directive Sound engineering practice; can be used for group 2 fluids; group 1 fluids on request
Mechanical data
Weight [g] 581
Materials stainless steel (1.4404 / 316L); PBT-GF20; PC; FKM; TPE
Materials (wetted parts) stainless steel (1.4404 / 316L); PEEK; FKM
Process connection threaded connection Rc 3/4 internal thread DN20
Displays / operating elements
Display
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
Remarks
Remarks
MW = measured value
MEW = Final value of the measuring range
Pack quantity 1 pcs.
Electrical connection
Connection Connector: 1 x M12; coding: A; Contacts: gold-plated
Diagrams and graphs
Pressure loss
dP Pressure loss
Q volumetric flow quantity