Description
Dinel TFS-35 Thermal Flow Sensor is a compact measuring device intended for industrial use for flow rate sensing of liquid media and for monitoring of their temperature when installed in a pipe. The sensor may be installed in plastic or metal pipes. Suitable for monitoring filling, cooling, or lubricating media and their temperatures.
The flow rate is indicated by means of a bar graph (5 green LEDs). Output (flow rate and temperature) switching indicator by means of LED (orange and yellow). Simple configuration using a magnetic pen. The sensor is made in stainless steel design. Quick and simple installation thanks to simple construction.
Dinel TFS-35 Thermal Flow Sensor Features
- These sensors are intended for installation in pipes, in which the actual flow rate and temperature occurs
- Flow rate measurement is shown in a bar graph by five green LED diodes and in the same graduation it is possible to select the limit for output switching (unswitching)
- Optical indication of the flow rate and temperature status via two LEDs
- Can be selected either 1x current output 4..20 mA and 1x limit PNP output, or 2x limit PNP output
- Settings provided by magnetic pen
- Stainless steel case
Dinel TFS-35 Thermal Flow Sensor Specifications
| Working area (EN 60079-10-1) | no explosive hazard area | |
| Supply voltage | 12 … 34 V DC | |
| Current consumption | TFS-35N-_-_-PFPT-_ | 60mA for supply voltage U = 24V DC |
| 70mA for supply voltage U = 18V DC | ||
| 80mA for supply voltage U = 15V DC | ||
| 100mA for supply voltage U = 12V DC | ||
| TFS-35N-_-_-IFPT-_ | 60mA for supply voltage U = 24V DC + current loop | |
| TFS-35N-_-_-IFPF-_ | 70mA for supply voltage U = 18V DC + current loop | |
| 80mA for supply voltage U = 15V DC + current loop 100mA for supply | ||
| voltage U = 12V DC +current loop | ||
| Output | TFS-35N-_-_-PFPT-_ | 2 x transistor PNP with open collector |
| (Switching current – max. 300 mA, | ||
| Residual voltage-ON state – max.1,5V) | ||
| TFS-35N-_-_-IFPT-_ | 1 x transistor PNP with open collector | |
| TFS-35N-_-_-IFPF-_ | (Switching current – max. 300 mA, | |
| Residual voltage-ON state – max.1,5V) | ||
| 1 x active current output 4 .. 20 mA. | ||
| Maximal resistance of current output load | 800 ? for supply voltage U = 24V DC | |
| 500 ? for supply voltage U = 18V DC | ||
| 200 ? for supply voltage U = 12V DC | ||
| Indication of incorrect settings | 3,75 mA at current output + indication of bargraph | |
| Maximum switching current | 300 mA | |
| Maximum residual voltage in ON state | 1,5 V | |
| Temperature output – switching points | 15 °C; 30 °C; 45 °C; 60 °C; 75 °C | |
| Flow rate range | 1 to 150 cm/s (for water) | |
| Temperature gradient | < 250 K/min | |
| Isolating capacity (housing – inputs) / electrical strength | 4 nF / 350 V AC | |
| Protection IP67 (variant C) | IP68 (variant A, B, V, H) | |
| Ambient working temperature range (ta) | -20 … +80°C | |
| Cable PVC | 4x 0,5 mm2 | |
| Heat up time after start | 10s | |
| Response time | 2 to 15s *1) | |
| Pressure strength | 10 MPa ( 100 bar ) over full temperature range | |
| Weight of sensor (without cable) | 150 g | |
Download Catalog: Thermal flow sensor TFS?–?35, Dinel-Flowmeter
Ref: Dinel.cz
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