Performance characteristics
FSH-13 series exquisite flow switchIt's usingprobeTemperature changes occurDifferenceDesigned based on principles. Install a heat sensor and two heat sensors inside the probe, and make contact with the medium. When the thermal flow switch is working, the heating sensor emits a constant amount of heat. When there is no medium flowing in the pipeline, the heat received by the thermal sensor is a constant value. When there is medium flowing,sensible heatThe heat received by the sensor will vary with the flow rate of the medium, and the thermal sensor will convert this temperature difference signal into an electrical signalvelocity of flowWhen reaching a certain set point, the thermal flow switch outputs a switch signal.
■Equipped with on-site display for easy observation
■No moving parts, long lifespan, low pressure loss
■Can be switched on and off at very low flow rates, with a wide range of adaptability
■Compact and simple structure, high pressure resistance
■Pipes can be used for pipes of different nominal diameters
■Probe material: stainless steel, titanium alloy
Technical Parameter
| Applicable Medium | Water and water mixture, oil and oil mixture, air |
| measuring range | Water and water mixture: 1-150cm/s |
| Oil and oil mixture: 1-300cm/s | |
| Air: 20-2000cm/s | |
| Nominal pipe diameter | DN20-200mm |
| Repeatability error | ± 2% of the measured value |
| display | High brightness LED digital display |
| operation temperature | -20-85 ℃ (standard) (high temperature can be customized) |
| Working pressure | 10MPa max |
| material |
Main body: stainless steel PBT |
| Probe: Stainless steel, titanium alloy | |
| Setting method | Potentiometer setting |
| signal output | 4-20mA、PNP、NPN、 Relay, normally open+normally closed SPDT |
| no-load current | Maximum 80mA |
| response time | 1-13s typical value 2S |
| power supply | 24V DC |
| Electrical connection | M12 connector |
| Connection method | Internal and external thread installation (NPT, G thread, M thread) |
| electrical protection | Reverse phase, short circuit, overload protection |
| ambient temperature | -20~+80℃ |
| protection grade | IP65 |
| Explosion proof sign | Explosion proof ExdIICT4 |
| weight | About 0.4kg |
Application field:
■ The FSH-13 series sophisticated flow switch is mainly used to monitor the fluid flow velocity in pipelines, monitor flow interruption, or prevent pump idling. Thermal flow switches are widely used in various industries for monitoring fluid flow velocity in pipelines or protecting important equipment in the event of liquid flow failures, such as protecting water pumps, monitoring lubricating oil circuits, refrigeration and heating circuits, monitoring pipeline ruptures, monitoring leaks, and so on.
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DOCUMENTATION
- Propagandist Manual
- Product manual
- Drawings and software

