Roxspur Measurement & Control Ltd. - PRODUCT NEWS


Dual flow alarm and rate indicator is ultrasonic.

Roxspur Measurement & Control have released a new solid state flow switch, the UQS7, an adjustable dual flow alarm, with an additional digital flow rate indicator.

Suitable for monitoring any aqueous liquid flow, the unit uses a microprocessor based ultrasonic time of flight technique, and so offers full bore pipe flow, with no obstruction, and no moving parts to fail or block the pipe. With an operational flow range covering a 250:1 span, models are available with brass flow tubes suitable for installation using 0.75", 1", 1.25" or 2" male standard threads.

The directly mounted IP65 electronics provides a 4 digit LED display of flow rate, plus green LED indicators to show the switch output state and a yellow LED fault indicator. Powered by any DC supply between 15 and 32 Volts, the solid state switch outputs are capable of driving a 500mA load: an optional 4-20mA analogue output of the flow rate is also available, with the 20mA adjustable to represent a flow between 25% and 100% of the maximum flow range. The simple keypad allows adjustments to the switching set-points, deadband, and response delay time, and can be locked after installation.

The RM&C UQS7 offers a 2.5% accuracy measurement on aqueous flows between -10C and +70C, with the standard unit operating up to 25bar pressure. The unit is immediately applicable to flow monitoring systems on most cooling and heating circuits, offering two stages of flow alarm. The dual alarm output allows a low flow warning signal and then a flow failure alarm, for use in protecting equipment with cooling or lubrication flow systems. Ideal for machine builders and OEM skids, the unit is fully configurable, and the local flow rate display allows easy set-up adjustment and water flow system troubleshooting. The IP65 rating is ensured by using the optional plug for signal and power connection, allowing simple on site electrical installation.

Contact the RM&C flow sales office for further information on the UQS7.

For more information, please contact :-

Roxspur Measurement & Control Ltd.

January 2008

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