Weber Sensors 4220.41 MS141 Flow-Captor Flow Switch for Water-Based Media with Analogue Temperature Output in Rugged Stainless Steel Version, Relay Output, Binder Plug
- Part #:4220.41 MS141
- Model #:Flow-Captor
- Condition:Brand New

Description
The flow-captor is a of compact, precise flow switch with analog display in a rugged stainless steel housing. They operate based on the calorimetric principle. The flow-captor allows to set an exact flow set-point and will display simultaneously the flow rate up to the lowest flow conditions.
Features:
- Precise switching flow monitor with relay output for water based media up to 100 bar
- version with BINDER coupling (S141)
- High accuracy also under low flow conditions
- Separate adjustment for „range" and „set-point"
- Analog display of actual flow rate and display of adjusted set-point value
- Analog temperature output
- ISO 9001:2015
⚠️ Attention CA Residents: Prop 65 Warning
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Technical details
| Medium | water-based |
| Sensor Data | |
| Measuring range | 0 - 20 cm/s to 0 - 300 cm/s, cont. adjus |
| Set-point range | ca. 15 % - 90 % of measuring range setting |
| Medium temperature | -20 °C bis + 80°C |
| Ambient temperature | -20 °C bis +70 °C |
| Pressure | max. 100 bar (1000 Kpa) |
| Response time | 2 - 10 sec., according to range setting |
| Linearity deviation | < 5 % |
| Repeatability | < 2 % |
| Hysteresis | ca. 10 % |
| Mechanical Data | |
| Protection class | IP 67 |
| Material housing | stainless steel WN 1.4305 / AISI 303 |
| Material of sensor probe | stainl. steel WN 1.4305 / AISI 303 |
| Thread | G 1/2" BSP |
| Electrical connection | Binder plug, 7-pin (order cable 4925 separately) |
| Electrical Data | |
| Operating voltage | 18 - 30 VDC |
| Switching current / Contact load | ≤ 5 A, 120 VAC / 5A, 150W at VDC |
| Electrical output, flow | Relay with potential contact |
| Initial operation | approx 10 sec. after connection of power |
| Flow < set-point | |
| LED, green | off |
| Output relay | not activated |
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