Water Utilities Level Sensor For Marine

7014 WATER UTILITIES LEVEL SENSOR

The liquid level sensor for water utilities has been designed to provide reliable and accurate level measurement of fluids that, because of their composition, can prove challenging to measure by conventional sensors.

Electrically conductive, highly viscous or corrosive liquids and liquids with suspended solids such as sewage, effluent, colloids, flocculants and sludges and slurries are some examples of the types of fluids that can be used with the sensor.

Developed by refining the established and proven capacitive level measurement technology used by Gill, the sensors wetted parts have an FEP coating that provides a non-stick measurement probe without any holes, moving parts or hidden voids, eliminating build-up which can lead to inaccurate measurements, false echos or leave sensors remaining permanently tripped.

Additionally, being a conductive sensor means that it can be used in tanks of all material types and is unaffected by any film that builds up on the walls of the tank which can be problematic for capacitance based devices.

Unreliable or inaccurate measurements caused by a build-up of residue or suspended solids in the liquid can lead to a loss of product due to unintended overflow or tank draining, even more critical when dealing with environmentally harmful materials, where it is crucial that tanks do not overflow.

The sensor probe has been engineered so that it does not require any additional mechanical support in the tank, whilst being robust enough to withstand any strong agitation in the tank that may be present. The single, smooth probe also facilitates the serviceability of the sensor should any cleaning be required, simply with alcohol wipes.

Available with three output options and rated to IP69k, the 7014 sensor can also be configured to compensate for irregular shaped tanks providing a true volumetric output, essential for process inventory measurements.

Reliable, maintenance-free waste liquid level measurement.

Suitable for all water-based liquid waste.
Non-stick coating.
Continuous measurement.
Compensates for irregular shaped tanks.
No holes to block.
No moving components.

FEATURES AND BENEFITS

Water Utilities Level Sensor

No holes or moving parts to clog or block.
Non stick FEP sleeve ensures long-term reliability and accuracy.
Compatible with suspended solids, flocculants, slurry, colloids, effluents, acidic fluids.
Unaffected by agitation and foaming.
Wireless solution available.

SPECIFICATION

Primary Output Accuracy : +/-10% FSD @ 20°C.
Thermal Drift : <10% FSD over full temperature range.

ELECTRICAL

Supply voltage : +6 to +32V DC.
Over Voltage Protection : 50V DC.
Supply Current : <40mA.
Reverse Polarity Protection : -32V DC.
Resolution : 12 bit (4096 points over measurement range).
Output Update Rate : 100Hz (Resistive) 10Hz (0-10V & 4-20mA).
Configuration Interface : Accessible via local micro USB port.
Primary (Volumetric) Output : Configurable through user software using tank profiling or file upload.
Secondary (Switch) Output : Open collector output 50V / 0.5A max switch to ground (V-).
Secondary Output Hysteresis : Configurable through user software.

RESISTIVE OUTPUT

Primary Outputs : 10-180? or 240-33? selectable through user software.
Standard Range : Datum A to Datum B (see Dimensions).
Primary Output : 10-1000? or 1000-10?.
Maximum Range : Configurable through user software.

Water Utilities Level Sensor Ordering

ENVIRONMENTAL

Ingress Protection : IP66 / IP68 / IP69k to EN60529.
Operating Temperature : -40°C to +85°C (without cable).
Humidity : 93% RH at 40°C EN60945.
EMC : EN60945 (Marine), EN61000-6-3 (Light Industrial), EN61000-6-2 (Heavy Industrial), EN61326-2-1 (Measurement Control).
Corrosion Resistance : Marine grade stainless steel 316 construction.
Differential Pressure : 10 Bar.
Absolute Pressure : 5 Bar.
Compatible Media : All water based liquid waste.
Venting : Use in vented tanks only.

MECHANICAL

Wetted Materials : Stainless steel 316, FEP, EPDM.
Probe Length : Range 1: 250, 350 or 450 mm, Range 2: 600, 800 or 1000 mm, Range 3: Custom 50 to 2000mm (MOQ applies).
Tank Seal Options : EPDM O-ring or Klingersil panel gasket.
Cable : Marine standard screened cable (temperature rating -40°C to +75°C).
Cable Pull : 3 axis, 50N.

VOLTAGE OUPUT

Primary Output Standard Range : 0.25 – 4.75V DC*
Primary Output : 0.25 – 10V DC*
Maximum Range : Configurable through user software.

* Supply voltage to be at least 0.5 V greater than the required output voltage.

CURRENT OUPUT

Primary Output : 4-20mA.
Standard Range : Range is Datum A to Datum B (see Dimensions).
Primary Output : 4-20mA.
Maximum Range : Configurable through user software.

Water Utilities Level Sensor Dimension

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