Level transducers boast superior accuracy
A
Pressure Systems product story
Edited by the Engineeringtalk editorial team
Sep 15, 2004
Two new submersible hydrostatic level transducers are designed specifically for compatibility with Campbell Scientific data loggers.
Two new submersible hydrostatic level transducers are designed specifically for compatibility with Campbell Scientific data loggers.
The Models 116 and 126 transducers provide an innovative ratiometric millivolt analogue output to achieve a total error band (TEB) accuracy of +/-0.3%, making them ideal for surface and groundwater level measurement and control applications, including well and surface water monitoring, soil remediation and dewatering.
The transducer cable features a total of six wires to enable sensing of the sensor bridge input voltage, which the data logger uses to compensate for any deviations.
This enables the TEB specification to be maintained over the compensated temperature range 0 to +30C.
Static accuracy, independent of temperature effects, is +/-0.10% full-scale output for the Model 126 and +/-0.25% full-scale output for the Model 116.
Constructed of 316 stainless steel or titanium, the new transducers are available in full-scale level ranges from 3 to 70m H2O with custom ranges available; proof pressure of 1.5x full scale; and burst pressure of 2.0x full scale.
The units can operate over a total temperature range of -20 to +60C.
The transducers are CE-compliant to EN61000-6-4:2001 as well as EN61000-6-2:2001 and are shipped with a vent filter that prevents moisture from entering the vent tube.
Available in custom lengths, the new transducers' cable incorporates Kevlar strength tensioning members to prevent cable elongation as well as a unique, self-sealing water block feature in case of minor cuts or abrasions.
Transducer pricing starts at $645.
Delivery is 10 working days ARO.
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