New Ground breaking Wireless Pressure Transducer System
Aug 03 2010
The HT-Wcom system from Hydrotechnik (UK) allows monitoring and alarm functioning of up to 65 pressure transducers located within a 100m radius. The sensors of the HT-Wcom System connect remotely to 1 PC with no additional interfaces required. Sensors are self-powered and send pressure and temperature readings.
With Condition Monitoring now more than ever an essential process to enable systems to run safely and efficiently, this innovative, discreet, low-cost system will transform the wireless pressure and temperature sensing market.
The pressure sensors are self-contained, compact, battery powered IP67 units with a number of pressure ranges available. Standard sensors are 0 to 500 bar but they can also be manufactured from -1 up to 1000 bar.
The beauty of the new system is that just 1 PC can monitor up to 65 remote sensors directly, keeping the cost of the system low.
The software that monitors the sensors can be configured to show individual plant or system schematics with graphical sensor location to help identify problem areas. High or low limits can be displayed on the schematic and alarm signals sent to a controller.
System costs are low due to the adoption of a robust industrial standard Zigbee iEE 802.154 wireless protocol. The sensors and software monitors pressure, ambient temperature and the battery life remaining in the sensor units. Batteries are an industrial standard 3.7 VDC and easy to replace in the field.
Sensor connection is via an integral 1215 MINIMESS fitting which is a compact and robust, leak-free design allowing for safe removal of sensors under full pressure if necessary. Accuracy of the pressure sensor cell is +/- 0.5% of full scale.
The sensor’s battery will last approximately 1 year when set with a transmission rate of 30 seconds. Faster or slower transmission rates can be programmed down to 50 ms if required.
The units are suitable for gas or liquid applications and ATEX approved units will be made available. All wetted parts are stainless steel.
Applications include building control, process applications, hydraulic testing and offshore oil and gas.
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