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JSF-1 RE

Flow monitor for JSF 1…8″, reduced switching values

This flow monitor was specially developed to monitor the flow of liquid media. The monitor is typically used in mechanical and apparatus engineering, for monitoring oil, cooling and lubrication circuits or as a low-water safety device in sprinkler systems, heating systems, chillers and heat pumps. They are installed vertically in a horizontal pipe. The calming section must be at least 5 times the pipe diameter upstream and downstream of the paddle. The maximum flow can be considerably higher than the maximum setting value of the monitor. Not tested for drinking water.

This device has reduced switching values and is therefore suitable for lower flow volumes.


SKU: JA060200 Categories: , ,
Number of control ranges1
Output signal
Pipe dimension1″…8″
Electric connection
With explosion protectionNo
Colour
RAL colour number (similar)7035
Sensor element
Function type (systems engineering)
Internal settingYes
Bearing temperature–40 … 85 °C
Max. air humidity (non-condensing)95 % r.H.
Housing material
Paddle materialstainless steel
Carrier materialMs nickel-plated
Max. Pressure500000 Pa
Max. switching voltage230 VAC, 50 Hz
Max. switching current15 (8) A
MediumFluid
Min. switching voltage24 VAC, 50 Hz
Min. switching current150 mA
Mounting/attachment
Surface finishmatt
Test mark approvalCE, Bauartgeprüft durch TÜV
Switching element
Switching contact
Potential free switching contactYes
Switching power3450 W
Protection classIP65, IP65
Protection classI
Safety and EMCin accordance with DIN EN 60730
Ambient temperature−40 … 85 °C
Degree of contamination2
AssemblyFlow monitor, paddle set
Dimensions (W x H x D)71 mm x 130 mm x 67 mm

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