Product category:
Hydrometry, Environment and Floods
News Release from: Roxspur Measurement and Control | Subject: Sensit Trident
Edited by the Processingtalk Editorial
Team on 30 June 2006
Submersible water level measurement
transmitter
The Sensit Trident submersible level/depth transmitter is designed for water industry use, to measure water levels in boreholes, reservoirs or for groundwater level monitoring
The Sensit Trident submersible level/depth transmitter from Roxspur Measurement and Control is designed for water industry use, to measure water levels in boreholes, reservoirs or for groundwater level monitoring Based on the well-proven Sensit ceramic strain gauge technology, which offers a high natural output and superb chemical/corrosion resistance, the Trident transmitter uses a TIG welded body construction, 25mm diameter, in 316L or Duplex stainless steel
This article was originally published on Processingtalk on 31 Jan 2006 at 8.00am (UK)
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The polyurethane sheathed cable, incorporating a strain relief wire and air vent tube, is field proven for long term submerged applications, sealed into the sensor body with a polyurethane moulding.
This seal is equivalent to IP68 at 10bar.
All materials have WRc and Environment Agency (EA) approvals for use in reservoirs and potable water, and the Sensit Trident transmitter is listed as approved for most water authority level measurement applications.
The Sensit Trident is available scaled to customer requirements, over the range of 1m to 500m WG (Water Gauge) pressure, and arrives factory fitted with the required length of moulded cable.
The unit is also available calibrated in units of Bar or psi, working with two wire 4-20mA signals or 4 wire connections providing a voltage signal.
The output stability and reliability are excellent, with maximum drift of 0.1% of span over 12 months: the water level output is automatically temperature compensated in the sensor over the range 0 to 60C, reducing the temperature effect on measurement accuracy to less than 0.015% per degree.
Other measurement error factors such as non-linearity, hysteresis and repeatability combined amount to less than 0.25% of span (optionally units are available configured to achieve 0.1%).
All units have full lightning protection built in, for use in out-door locations: for any hazardous area use, units are available with ATEX intrinsically safe approval.
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