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Description
Flow monitor
RHEASREG® SW
Mechanical RHEASREG® SW paddle flow monitor with switching output, in an impact resistant plastic housing, with stainless-steel paddle, for flow monitoring of liquid and gaseous, non-aggressive media in pipes of hydraulic systems from ¾'' and ½'' to 8'' diametre.
The flow sensor is used as a flow controller or low water alarm, e.g. for pumps in oil and cooling circuits, cooling systems, evaporators, compressors and heat exchangers with brass or stainless-steel bodies.
Technical details
Switching capacity
15 (8) A; 24…250 V ACat 24 V AC min. 150 mA
Contact
dust-proof micro switch
as single-pole potential-free changeover contact
as single-pole potential-free changeover contact
Max. temperature of medium
0...120 °C
Electrical connection
0.14 - 1.5 mm² via terminal screws
Cable connection
cable gland, plastic (M 20 x 1.5; with strain relief,
exchangeable, inner diameter 8 - 13 mm) or
M12 connector according to DIN EN 61076-2-101
(optional on request)
exchangeable, inner diameter 8 - 13 mm) or
M12 connector according to DIN EN 61076-2-101
(optional on request)
Housing
plastic, UV-stabilised,
material polyamide, 30 % glass-globe-reinforced,
colour traffic white (similar to RAL 9016)
material polyamide, 30 % glass-globe-reinforced,
colour traffic white (similar to RAL 9016)
Base body
galvanised steel
Housing dimensions
108 x 70 x 73,5 mm (Thor 2)
Housing temperature
–40...+85 °C
Cable gland
M 20 x 1.5; including strain relief
Dimensions
108 x 70 x 73,5 mm (Thor 2)
Protection class
I (according to EN 60 730)
Protection type
IP 65 (according to EN 60 529)*
Standards
CE conformity,
EMC directive 2014/ 30/ EU,
low-voltage directive 2014/ 35/ EU
EMC directive 2014/ 30/ EU,
low-voltage directive 2014/ 35/ EU
Function
Monitor: Contact COM – NO (red – yellow) breaks when
flow rate drops to the preset value.
Simultaneously, contact COM – NC (red - blue)
closes and can be used as signal contact.
Device is factory-set to the minimum switch-off value,
which can be increased by turning
the range adjusting screw clockwise. Installation: vertical in horizontal pipes,
tee R x'' according to DIN 2950,
min. smoothing distance = 5 x pipe diameter
upstream and downstream of paddle
flow rate drops to the preset value.
Simultaneously, contact COM – NC (red - blue)
closes and can be used as signal contact.
Device is factory-set to the minimum switch-off value,
which can be increased by turning
the range adjusting screw clockwise. Installation: vertical in horizontal pipes,
tee R x'' according to DIN 2950,
min. smoothing distance = 5 x pipe diameter
upstream and downstream of paddle