Product category:
Electrical Services
News Release from: SensorsOne | Subject: CNS Rangeable Low Level Pressure Transmitters
Edited by the Buildingtalk Editorial
Team on 04 September 2006
Level sensor for shallow depth
measurement
CNS Rangeable Low Level Pressure Transmitters are specifically designed for shallow depth sensing for water utility and environmental monitoring industry applications.
CNS Rangeable Low Level Pressure Transmitters are specifically designed for shallow depth sensing in reservoir, rivers, streams, water treatment works, weirs, water tanks, filtration pits and open channels The CNS level sensor has an all stainless steel construction for freshwater use and a duplex stainless steel and Hastelloy C276 construction for protection against corrosion when used in seawater, brackish water or tidal water
This article was originally published on Buildingtalk on 19 Jun 2006 at 8.00am (UK)
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The CNS sensing diaphragm is in direct contact with the water and has a large surface area which makes it very sensitive to low hydro-static pressures.
The CNS smart electronics provides a 5 to 1 turndown ratio for each pressure range which can be configured by the user in-situ without any need to use a hand terminal.
For open channel flow applications a 3/2 or 5/2 law output and custom non-linear outputs options can be configured prior to delivery.
The CNS is available in the following pressure ranges 400 mmWG, 1.6 mWG, 4 mWG, 10 mWG, 24 mWG, 60 mWG, and 160 mWG and each range can be down-ranged by 5to 1.
The 4-20mA current output of the CNS level transmitter is accurate to +/-0.35% of maximum span which includes non-linearity, hysteresis and repeatability.
The cable exit form the back-end of the sensor is completely sealed in polyurethane to provide a high integrity IP68 submersible seal to 200 metres water gauge and the sensor is completely potted to protect the electronics from moisture ingress damage.
The CNS shallow depth transmitter has a variety of pressure interfaces such as a depth cone, flush face diaphragm to prevent clogging and facilitate easy cleaning, 1 inch BSP flush diaphragm for screwing into a tank wall or 1/4 inch BSP female for mounting onto a water pipe.
The CNS Smart Submersible Pressure Transmitter is ideally suited to measuring very low water levels and when combined with the flexibility in pressure range, output signals and mounting arrangements the result is a highly capable level sensor for shallow depth measurements in water utility and environmental monitoring industry applications.
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