IFM SM0505 Magnetic-Inductive 0.2 - 100 l/min Flow Meter
Brand New
Manufacturer warranty Description
Features:
- Precise measurement of flow, consumption and medium temperature
- High accuracy, repeatability and measurement dynamics
- Precise empty pipe detection
- With switching output, analog output and pulse output
- Clearly visible numerical display
Applications
- Empty pipe detection
- Totalizer function
- For industrial applications
Magnetic flow meters, commonly known as magmeters, utilize the principles outlined in Faraday's law of induction to accurately measure the flow of conductive liquids in various industrial settings.
Magnetic-Inductive Principle of Operation
The magnetic-inductive, or magmeter, measuring principle operates according to Faraday's law of induction. Faraday's principle predicts how a magnetic field will react when a voltage is induced in the field.
When a conductive medium flows through a pipe in a magnetic field, the charged particles from the conductive media are directed to an electrode on one side based on the flow direction. Depending on the flow velocity, more or fewer charge carriers are led past the electrode, generating a voltage proportional to the flow velocity or volumetric flow quantity. The voltage is tapped via the measuring electrodes and converted in the evaluation electronics to a usable control signal. As the pipe cross-section is defined, the volumetric flow quantity can be determined exactly.
Farady's Law and Magmeters
When a conductive fluid moves through the magmeter's magnetic field, it induces a voltage. This voltage can then be measured to determine the flow rate of the fluid. Electrodes within the magmeter tap into this voltage. It's then converted within the device's electronics to give a usable control signal that tells us the flow rate of the fluid.
Not every fluid can work with a magmeter. The fluid must be conductive for the device to measure its flow rate. The more conductive the medium, the clearer the reading. Thus, they work was as water flow meters among other liquids.
For more information, please see 
Data Sheet
Technical details
- Inputs Counter reset
- Material Stainless steel (1.4404 / 316L); PBT-GF20; PC; EPDM/X
- Application Empty pipe detection; Totalizer function; for industrial applications
- System Gold-plated contacts
- Output Signal Switching signal; analog signal; pulse signal; (configurable)
- Protection Class III
- Number of Digital Outputs 2
- Process Connection Threaded connection G 1 DN25 flat seal
- Output Function Normally open / closed; (configurable)
- Measuring Range (l/min) 0.2 - 100
- Electrical Design PNP/NPN
- Protection IP 67
- Connection Connector: 1 x M12; coding: A; Contacts: gold-plated
- Overload Protection Yes
- Repeatability ± 0,2% MEW
- Short-circuit protection Yes
- Pulse Output Flow rate meter
- Operating voltage [V] 18 - 30 DC; (to SELV/PELV)
- Media Conductive liquids; water; water-based media
- Reverse Polarity Protection Yes
- Current Consumption [mA] 95; (24 V)
- Minimum Insulation Resistance [MΩ ] 100; (500 V DC)
- Analog Current Output [mA] 4 - 20; (scalable)
- Maximum Load [Ω ] 500
- Ambient Temperature [° C] -10 - 60
- Storage Temperature [° C] -25 - 80
- MTTF [Years] 130
- Weight [g] 576
- Medium Temperature [° C] -10 - 70
- Total Number of Outputs 2
- Number of Analog Outputs 1
- Analog Voltage Output [V] 0 - 10; (scalable)
- Minimum Load Resistance [Ω ] 2000
- Pressure Equipment Directive Sound engineering practice; can be used for group 2 fluids; group 1 fluids on request
- Materials (Wetted Parts) Stainless steel (1.4404 / 316L); PEEK; EPDM/X
- Maximum Voltage Drop Switching Output DC [V] 2
- Power-on Delay Time [s] 5
- Response Time [s] 0.15; (dAP = 0)
- Pressure Rating [bar] 16
- Pressure Rating [MPa] 1.6
- Permanent Current Rating of Switching Output DC [mA] 200
- MAWP (for Applications According to CRN) [bar] 11.2
- Measuring Range [° C] -20 - 80
- Resolution [° C] 0.2
- Set point SP [° C] -19.2 - 80
- Reset point rP [° C] -19.6 - 79.6
- In Steps of [° C] 0.2
- Accuracy (in the Measuring Range) ± (2 % MW + 0,5 % MEW)
- Accuracy [K] ± 2,5 (Q>5 l/min)
- Damping Process Value dAP [s] 0 - 5
- Dynamic Response T05 / T09 [s] T09 = 30 (Q>5 l/min)
- Parameter Setting Flow monitoring; quantity meter; Preset counter; Temperature Monitoring; hysteresis / window; normally open / closed; switching logic; current/voltage/pulse output; Start-up delay; display can be deactivated; Display Unit; empty pipe detection
- Type of Short-Circuit Protection Yes (non-latching)
- Pulse value 0.1 l - 100 000 m³
- Pulse length [s] 0,025 - 2
- Analog Start Point [° C] -20 - 60
- Analog End Point [° C] 0 - 80
- Delay Time Programmable dS, dr [s] 0 - 50
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