Most Accurate Control By Electronic Thermal Mass Water Flow Switch
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CX-FS series Electronic thermal mass flow switch , also known as differential thermal flow sensor and Thermal flow sensor . The set range can be 1-20m/s . Have relay output (230VAC.4A). Suitable for different kinds fluid .Concise and direct indicator ,and with high reliable .
The Principle of electronic thermal mass flow switch based on the principle of thermal theory, there are two resistances in the closed probe . One resistance was heated and regarded as detected resistance , the other one was heated and regarded as standard resistance . When the medium is flowing ,the heat on the heated resistance will be taken away and the resistances' value will be changed . The differential resistances value is the basis of determining the flow velocity .
Application:
gaseous /liquid
The flow switch for ground-source heat-pump is mainly applicable to industrial automation/mechanical equipment/air compressing industry/ refrigeration and air-conditioner. The magnet not contact with flowing water, so can normally work in sewage discharging system.
CX-FS-FB Paddle Flow Switch | | Diameter | DN25…DN150 | | Set range | 20…1800L/min(water) | | Repeatability | ±2.5%FS | | Connection | terminal type | | Output | Mechanical switch NO+NC(250VAC,3A) | | Pressure proof | 16 bar | | Average pressure loss: | 0.08bar( at max.flow rate) | | Ambient temperature | -25…80C | | Medium temperature | 0…90C | | Interface screw | G1"pipe screw | | Protective class | IP33 | | Weight | 0.55kg | | Material | Main body | stainless steel | | Process connection: | brass | | Connection rod | brass | | Baffle | stainless steel | | Seal | NBR | | Housing | ABS |
| CX-FS-FB12 Baffle Flow Switch | | Repeatability | ±2.5%FS | | Connection | terminal type | | Output | Mechanical switch NO+NC(250VAC,3A) | | Pressure proof | 16 bar | | Average pressure loss: | 0.08bar( at max.flow rate) | | Ambient temperature | -25…80ºC | | Medium temperature | 0…90ºC | | Interface screw | G1"pipe screw | | Protective class | IP33 | | Weight | 0.85kg | | Material | Main body | stainless steel | | Process connection: | brass | | Connection rod | brass | | Baffle | brass | | Seal | NBR | | Housing | ABS |
| CX-FS-FPD20 Pointer display type piston flow switch | | Medium | liquid or gas | | Repeatability | ≤±3%full scale | | Pressure | 200bar(stainless steel type)100bar(brass type) | | Output | normally open output | | Contact capacity | 240VAC / 110VDC 1.5A | | Ambient temperature | -20…70ºC | | Medium temperature | 0…70ºC | | Protection | IP65 | | Outlet | M12*1 | | Material | Electronic body | PC | | Switch body | stainless steel / brass nickel plating | | Spring | stainless steel |
| CX-FS-FR11 Electronic Flow Sensor | | Set range | 1…150cm/s( water),3…300cm/s(oil),20…2000cm/s(air) | | Output | PNP, NPN, Relay ,4-20mA, NO+NC (SPDT) | | Power supply | 24V±20%DC or 230V±15%AC | | Switching Current | Max.400mA(PNP or NPN type ), Max.4A( Relay type ) | | Unload current | Max.80mA | | Flow indicator | LED (6) | | Set type | potentiometer set | | Proof Pressure range | 100bar | | Temperature gradient | 4ºC/s | | Response time | 1--13s,standard is 2s | | Initialization time | 8s | | Electrical protection | reversed-phase ,short circuit ,overload protection | | Protection class | IP67 | | Medium temperature | 20--80ºC | | Environment temperature | -20--80ºC | | Storage temperature | -20--100ºC | | Connection | M12 connector /2m cable (option) | | Material | Probe is stainless steel . Housing is PBT | | Weight | 0.4kg |
| CX-FR-FR12 Electronic flow switch | | Set range | 1…150cm/s( water),3…300cm/s(oil),20…2000cm/s(air) | | Output | PNP, NPN, Relay ,4-20mA, NO+NC (SPDT) | | Power supply | 24V±20%DC | | Switching Current | Max.400mA(PNP or NPN type ), Max.4A( Relay type ) | | Unload current | Max.80mA | | Flow indicator | LED (6) | | Set type | potentiometer set | | Proof Pressure range | 100bar | | Temperature gradient | 4ºC/s | | Response time | 1--13s,standard is 2s | | Initialization time | 8s | | Electrical protection | reversed-phase ,short circuit ,overload protection | | Protection class | IP67 | | Medium temperature | 20--80ºC | | Environment temperature | -20--80ºC | | Storage temperature | -20--100ºC | | Connection | M12 connector /2m cable (option) | | Material | Probe is stainless steel . Housing is PBT |
| Model | Connection | Notes | Accuracy | | HFS-25 | 1″-11½NPT Screw | Red Case | 5% | | HFS-20 | ¾″-14NPT Screw | | HFS-15 | ½″-14NPT Screw | | JYF-25 | 1″-11½NPT Screw | White Case | 2-3% | | JYF-20 | ¾″-14NPT Screw | | JYF-15 | ½″-14NPT Screw | | Rated Voltage?Rated Amps | A.C.125~250V | Power(Cosmp.) | | | Non-inductive Current | 12A | 1 | | | Full Load | 12A | 0.75 | | | Locked Roter | 72A | 0.45 | | | Required Flow for actuating switch (m3/h) | | | Pipe size (in) | 1 | 1-¼ | 1-½ | 2 | 2-½ | 3 | 4 | 5 | 6 | 8 | | Min.
Flow | Flow lower,1-2 closed | 1 | 1.3 | 1.7 | 3.1 | 4.1 | 6.2 | 8.4 | 12.9 | 16.8 | 46.6 | | | Flow lower,1-3 closed | 0.6 | 0.8 | 1.1 | 2.2 | 2.8 | 4.3 | 6.1 | 9.3 | 12.3 | 38.6 | | Max.
Flow | Flow lower,1-2 closed | 2 | 3 | 4.4 | 6.6 | 7.8 | 12 | 18.4 | 26.8 | 32.7 | 94.2 | | | Flow lower,1-3 closed | 1.9 | 2.8 | 4.1 | 6.1 | 7.3 | 11.4 | 17.3 | 25.2 | 30.7 | 90.8 | |
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