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China Hont Electrical Co., Ltd.

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Home  >Products Catalog > RTF Thermal Conductivity Type Flow Switch / Flow Monitor

RTF Thermal Conductivity Type Flow Switch / Flow Monitor

Shipping: By Sea/By Air/By Express
Payment Terms: L/C, T/T

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Export Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
Place of Origin: Zhejiang in China
Packaging Details: Standard Export Package !

Quick Details

  • Brand Name: ETL or Empty Brand


Product Description
RTF thermal conductivity type flow switch is based on the principle of heat exchange design, the heat conduction of the flow switch and the measured fluid flow rate are closely related, if no medium is flowing in the pipeline, the heat received by the thermal sensor is a fixed value, but when the fluid medium flow overflow switch when the probe is to heat as measured by the thermal sensor with the changes in the flow rate of the medium varies, then this temperature differential signal is converted into an electrical signal, the built-in A / D processing circuit will set the flow and the instantaneous flow rate, compared to output contact signals. Trends in thermal conductivity flow switch integration for the flow probe and signal processors, six LED indicators provide a flow state switch action value can simply protect the screw potentiometer on the front panel to adjust the switch output form.
1: 6 LED display alarm and flow state
2: Switch point field adjustable wide range
3: For diameter range
4: Withstand voltage up to 100Bar
5: Fluid barrier, no wear, no maintenance
6: Special anti-fouling coatings of probe, stain-resistant capabilities
Technical Parameters
Working medium water: 0~5m/s; oil: 0~10m/s; gas: 0 ~ 50m/s
Switching characteristics Repeatability: ± 1% set point range
Corresponding time
Typical2s, Maximum15s
Temperature gradient: Maximum250K/min
Pressure rating: 10MPa
Corresponding time: ≤ 12s
Temperature Range from -25° C to +80 ° C
Operating voltage DC24V; AC110V; AC220V
Current consumption ≤ 65mA
Connection type G1/2’ ’ M20× 1.5(or customized according to customer' s request)
LED indication 1: The flow rate is lower than the set value, the red light
2:Flow rate equal to or greater than the set value, the yellow light
3: Flow rate is greater than the set value, four green light according to the flow size varying degrees of light (yellow light at the same time bright)
Output mode Relay 0.2A/220VAC
Shell protection IP67 protection, 304 stainless steel housing

Service Process

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    After paying a deposit, if the purchasing order is not completed because of unsatisfied ECVV services, ECVV will refund your deposit.

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