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FS61 Basic Flow Monitor
The FS61 series flow monitor is designed based on the principle of heat exchange. The probe is equipped with a heating module and a sensing module. Th
Product details
principle structure
The FS61 series flow monitor is designed based on the principle of heat exchange, with built-in heating and sensing modules in the probe. The heat dissipation of the heating module is closely related to the flow rate of the measured fluid. If there is no medium flow in the pipeline, the signal received by the sensing circuit is a fixed value; When the fluid medium flows through the probe, the signal received by the thermal sensing circuit changes with the flow rate of the medium. The thermal sensing circuit converts the temperature difference signal between the heating module and the thermal sensing module into an electrical signal, which is then converted into PNP/NPN/4-20mA/relay signal output by the processor.
main features
The reliable and stable circuit design makes the flow signal more accurate and stable, and it has been widely used in the steel, metallurgy, pharmaceutical, and chemical industries. LED indicates flow rate with no movable parts, maintenance free, and multiple sensor probe lengths to choose from. One model is suitable for multiple pipe diameters with continuously adjustable switch values and almost no pressure loss overall.
application
It can be used for flow monitoring of hydraulic systems, circulating water, cutting fluid, and lubricating oil, as well as pump idle protection.
Technical Parameter
| Setting range: | 3~300cm/s (water), 3~300cm/s (oil) | Switch accuracy: | ±1~±10cm/s |
| Signal output: | PNP， NPN， Relay (SPDT) analog quantity (4~20mA) | Power supply: | 24VDC, 110VAC, 220VAC |
| Power: | 5W | Load: | 5A (relay type) |
| No load current: | Maximum 250mA | Loss current: | ＜60mA |
| Traffic indication: | LED row (6 pieces) | Set direction: | Potentiometer setting |
| Voltage endurance range: | 100bar | Temperature variation of the medium: | ≤4℃/s |
| Response time: | 1~10s, typical value 2s | Initialization time: | About 8 seconds |
| Electrical protection: | Reverse phase, short circuit, overload protection | Protection level: | IP65&IP67 |
| Medium temperature: | ‘-20~80℃ | Environmental temperature: | ‘-20~80℃ |
| Storage temperature: | ‘-20~100℃ | Wiring method: | M12 * 1 connector |
| texture of material: | Probe: 316L stainless steel shell: 316L stainless steel | Weight: | About 0.4kg |
| Probe length: | 15mm \ \ 20mm \ \ 30mm \ \ Customized according to customer requirements |
dimension
Wiring diagram
24VDC
85-265VAC
Installation method reference diagram
Model Selection Table
| FS61- | Basic traffic monitor | ||||||||
| Connection method | |||||||||
| External thread G1/2 | |||||||||
| External thread G1/4 | |||||||||
| Internal thread M18 * 1.5 | |||||||||
| Connection method | |||||||||
| Interface thread external thread | |||||||||
| Interface thread internal thread | |||||||||
| Power supply mode | |||||||||
| DC24V power supply | |||||||||
| 85 to 265VAC power supply (high point action) | |||||||||
| 85 to 265VAC power supply (low point action) | |||||||||
| output signal | |||||||||
| PNP output | |||||||||
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NPN output
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Relay output (SPDT)
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4 to 20mA output
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Probe length (excluding threads)
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15mm
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20mm
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30mm
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Customize according to customer requirements (e.g. 40mm option labeled as "N40")
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| The above selection table does not include selection codes. If you need selection codes, please contact us or fill in your information | |||||||||
Optional accessories
| M12 wired connector | ||||||
| M12 wired connector (shielded wire) | ||||||
| Self connecting post | ||||||
| Connect the plug | ||||||
| Straight type | ||||||
| Curved shape | ||||||
| 2-meter standard line length | ||||||
| Customize according to customer requirements (e.g. 4m option labeled as "N04") | ||||||
Welding optional accessories
| Welding Accessories | |||
| G1/2 base | |||
| G1/4 base | |||
| Heterogeneous connection | |||
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