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CNS Submersible Low Level Transmitter

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Immersible low pressure sensor for measuring shallow liquid level with a rangeable 4-20mA current loop or high level voltage output signal in level ranges from 80mmH20 up to 160mH2O

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The CNS Rangeable Low Level Transducers are specifically designed for shallow depth measurements in rivers, weirs and open channels.

The CNS low level sensor has an all stainless steel construction for freshwater use or a duplex stainless steel and Hastelloy C276 construction for seawater or brackish water use.

The CNS sensing diaphragm is in direct contact with the water and has a large surface area which makes it very sensitive to low pressure measurements.

The CNS smart electronics provide a 5 to 1 turndown ratio for each pressure range, open channel flow options for 3/2 or 5/2 law output and custom non-linear outputs.

Technical Summary

Hydrostatic Level Ranges: 80 mmH2O to 160 mH2O gauge

Accuracy: ±0.25% full scale

Output Signal: 4 to 20mA, 0 to 5V, 0 to 10V, 1 to 5V

Electrical Connections: IP68 sealed cable gland to 200 mH2O with PUR shielded cable

Pressure Connections: Protection cap, flush diaphragm, 1 inch BSP flush, 1/4 inch BSP female

Special Features: 5 to 1 rangeability, ± zero elevation and suppression

Special Outputs: Duplex stainless steel for seawater compatibility, non-linear outputs for open channel flow

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Resources

List of pressure sensor definitions

mH20 hydrostatic pressure unit conversion factors

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CNS data sheet

CNS operating manual

Cable Junction Box data sheet

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Site Last Updated: 06/07/08

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Pressure Measurement Glossary - Find explanations of terminology used for specifying and using pressure instruments

Pressure Unit Conversion - Look up conversion factors or select a conversion table for a particular pressure unit

Pressure Sensor Specification - Select parameters with PSAT to generate a spec for your own use or to submit as an enquiry

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