Weber Sensors 4205 / 4053.31 Flow-Captor Flow Switch for Oil-Based Liquids for Restricted Access or Harsh Environmental Conditions
- Part #:4205 / 4053.31
- Model #:Flow-Captor
- Condition:Brand New

The flow-captor type 4205, together with the separate electronic unit type 4053.31, monitors flow as well as temperature of oil-based liquids up to a medium temperature of 100 °C. The flow-captor sensor with stainless steel housing can easily be mounted by using the related conical fitting and for fixing by the union nut (M 36 x 2).
The sensor transmits the pulsed flow signal and the analog temperature signal to the transducer where the signals are converted into separate analog output voltages.
The flow-captor operates according to the calorimetric principle, which is unsurpassed by other sensing technologies, where the ruggedness and reliability quality of the flow-captor cannot be matched.
Features:
- Simple to install
- Flow and temperature meter for oil-based liquids
- No moving parts
- Stainless steel housing and sensing surface
- ISO 9001 : 2015
- Specification Sheet
- Manuals/Tutorials
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| Medium | oil-based solutions |
| Sensor data type 4205 | |
| Housing | stainless steel, WN 1.4305 |
| Union nut | M36x2 |
| Sensor connection | 50 cm shielded 5 x 0.5 mm2 |
| Connector | 5 - pin male plug (Cannon) |
| Temperature of medium | -20 °C to +100 °C |
| Flow measuring range | 0 - 400 cm/s (related to oil, type Shell Diala S4 ZX-I) |
| Electrical data (electronic unit) type 4053.31 | |
| Protection class | IP 65 |
| Housing | aluminium, surface protection: SurTec 650 chromitAL |
| Supply voltage | 24 VDC ± 10% |
| Power consumption | 2 W typical, max. 3 W |
| Ambient temperature | -20 °C to +70 °C |
| Connection | 5 - pin female socket (Cannon) |
| Output / supply connection | 4 - pin male socket (Cannon) |
| Output / supply connector | cable, 2 m length, with one female plug (Cannon) |
| Output | temperature / flow |
| Measuring range | 20 °C to +100 °C / 0 to 400 cm/s |
| Analog output | 0 - 10 V / 0 - 10 V |
| Curve | linear / no linearization |
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