Weber Sensors 4120.81MK-S140 Flow-Captor Flow Switch 1/2" NPT / 115 VAC, Normally Open, Relay Output with BH5, Sensor Head with Cooling Housing 130C Max. Medium Temperature
- Part #:4120.81MK-S140
- Model #:Flow-Captor
- Condition:Brand New
- List Price: $1,679.26
- $1,670.90 / EachYou Save: 0.5%
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- List Price: $1,679.26
- $1,670.90 / EachYou Save: 0.5%
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Description
The flow-captor type 412x.8xMK S140 is used in automation processes and other industrial applications where liquid media must be monitored. The sensor works according to the calorimetric measuring principle and without mechanically moved parts. The flow-captor detects the flow velocity of the medium and converts it into an electrical signal.
Features:
- robust metal construction (M)
- high temperature version with heat sink (K)
- plug design with Brad-Harrison coupling
- separate setting of range and set-point
- pressure resistant up to max. 100 bar
- display of flow condition and switching point via LED chain
- ISO 9001:2015
⚠️ Attention CA Residents: Prop 65 Warning
- Specification Sheet
- Manuals/Tutorials
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Technical details
| Medium | water-based |
| Sensor Data | |
| Measuring range | 0 - 20 cm/s to 0 - 300 cm/s, cont. adjust |
| Set-point range | approx. 15 % - 90 % of measuring range setting |
| Medium temperature | -20 °C - +130 °C / -4 °F - +266 °F |
| Ambient temperature | -20 °C - +70 °C / -4 °F - +158 °F |
| Pressure | max. 100 bar / 1450 psi |
| Response time | 2 sec. - 10 sec., according to range setting |
| Linearity deviation | < 5 % |
| Repeatability | < 2 % |
| Hysteresis | approx. 10 % |
| Mechanical Data | |
| Protection class | IP67 |
| Material: Housing | stainless steel AISI 303 |
| Material sensor head | stainless steel AISI 303 |
| Thread, Length | 1/2" NPT |
| Electrical connection | 5-pin Brad-Harrison male socket (2 m cable type 4930E must be ordered separately) |
| Electrical Data | |
| Operating voltage | 90 - 250 VAC/DC |
| Power consumption | max. 150 mA (pulsed) |
| Switching current / contact load | ≤ 5 A (120 VAC), ≤ 3 A (250 VAC), max. 5 A 150 W at VDC |
| Initial operation | approx. 10 sec. after connection of power |
| Electrical output | relay with potential free contact |
| Flow < set-point | |
| LED, green | off |
| Output relay | not activated |
Specification Sheet
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