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Based on the thermodynamic principle, VTFC08 features 2 temperature sensors inside the probe: one for medium temperature, the other one is heated a few degrees up compared to the medium in which it projects. When the medium conducts away the medium flows, the heat is generated in the sensor. The difference between these two sensors can be measured to get the flow rate. All-metal housing; 8 LEDs for switching status and flow trend display; No moving parts to minimize maintenance; Applicable to various mediums.
- Applications
- Hydraulic/lubricating oil, cooling system
- Water treatment, pump protection
- Ventilation system, leak detection
Flow Sensor
VTFC08-Thermal Flow Sensor
| Measuring range | |
| Water | 1…200cm/s(The default display value is calibrated with water, other media need to be specified) |
| Oil | 3…300cm/s |
| Air | 20…2000cm/s |
| Measuring medium | Water, oil, gas and other media compatible with stainless steel |
| Repeatability | 1%@<0.6m/s; 3%@<1.5m/s; 10%@>1.5m/s |
| Withstand voltage | 100bar |
| Initialization time | 1…8s |
| Response time | Typical value2s. |
| Supply voltage | 18…30Vdc |
| No-load current consumption | ≤40mA,exist24VdcWhen power supply |
| Switch output(Normally open+normally closed) | |
| Output type | Relay/Normally open and normally closed can be set |
| Load capacity | 500mAexist24Vdc When power supply(NPNandPNPtype) |
| Wiring protection | Reverse phase, overload, short circuit protection |
| Show | |
| Design | 3a redLED(flow rate<switch point) |
| 1a yellowLED(flow rate=switch point) | |
| 4a greenLED(flow rate>switch point) | |
| Temperature | |
| Work/storage temperature | -40…85℃ |
| Medium temperature | -20…85℃ |
| Material | |
| Shell | 304Stainless steel |
| Probe | 304Stainless steel |
| Degree of protection | IP67 |
| Outgoing way | M12×1Connector |
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