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Home / Water Quality & Waste Water Management Systems / LL-MINI-CTD-ABS-010
LL-MINI-CTD-ABS-010

LL-MINI-CTD-ABS-010

The LL-MINI-CTD-ABS-010 is a precise water level, conductivity, salinity and temperature sensor designed for diverse seawater and surface water applications. Encased in a sealed unit, it integrates conductivity, salinity, temperature and water level sensing capabilities. The LL-MINI-CTD-ABS-010 includes an Absolute piezoresistive ceramic pressure sensor suitable for a 10m water depth range. (Non-vented cable required). This sensor can provide SDI-12 and Modbus outputs but does requires connection to an external data logger or AquaTel telemetry device for power and data logging.

£660.00

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LeveLine-Mini-CTD Sensor

  • Description

Description

The LL-MINI-CTD-ABS-010 is a 10m water level sensor with conductivity, temperature and salinity measurements. The sensor incorporates an Absolute piezoresistive sensor to monitor depth. This sensor doesn’t require a vent tube to the surface, but will require readings are compensated for barometric pressure readings taken at the surface. The sensor includes the same 4 ring stainless steel to measure conductivity and salinity measurements with an integral temperature sensor to provide temperature compensated values. This ensuring accurate readings across the full operational temperature range of -20 to +80°C. Users can select from a range of cable lengths and AquaConn connectors.

The sensor housing is constructed from a carbon fibre and titanium composite. This material selection provides a high strength-to-weight ratio and enhanced corrosion resistance, critical for reliable long-term deployment in challenging environmental conditions, including saline solutions.

Features

  • 0.05% FS accuracy.
  • Carbon fibre and titanium body.
  • 2 year warranty.
  • SDI-12, RS485/MODBUS direct out communications.
  • Can be connected to the AquaTel for complete remote monitoring system.
  • Can be connected with the BlueLink adaptor for short-term monitoring.
  • Vented option available

Applications

  • Groundwater level monitoring, pump tests, slug tests etc.
  • Stream, lake and reservoir water level measurement.
  • Wetland and flood water monitoring.
  • Coastal monitoring.
  • Tank level measurement.
  • Long term continuous monitoring in boreholes, surface water and seawater applications.
  • Process applications.
  • Flood warning systems.

Specifications

GENERAL
Temperature ranges Operational: -20-80°C, Storage: -40-80°C, Compensated: -20-80°C
Diameter 22mm
Length 146mm
Weight 210g
Materials Titanium body, Delrin nose cone
Output options Modbus/RS485, SDI-12, Aquaread proprietary
External power 6-24vDC
OUTPUT RATE
Fastest Modbus output rate 1 per second
Fastest SDI-12 output rate 1 per second
SENSOR
Type / Material Piezoresistive ceramic
Range (Absolute) 10.0M (32.8 ft)
Maximum pressure Max 2x range, Burst 2.5x range
Accuracy (FS) ±0.05% FS
Resolution 0.002% FS or 1mm whichever is greater
Units of measure Pressure: mbar (psi, kPa, bar, mbar, mmHg, inHg, cmH2O, inH2O), Level: m, ft, mm, cm and mm available in Levelink
ELECTRICAL CONDUCTIVITY
Range 0 – 200mS/cm (0 – 200,000μS/cm)
Resolution 1μS
Accuracy ±1% reading or ±1μS whichever is greater
SALINITY
Range 0-70 PSU / 0-70 ppt (g/Kg)
Resolution 0.01PSU / 0.01 ppt
Accuracy ±1% reading or ±0.1 unit, if greater
TEMPERATURE SENSOR
Accuracy & resolution ±0.1°C, 0.01°C
Units of measure Celsius (fahrenheit available in Levelink)
WARRANTY
Standard 2 years on all LeveLine-Mini versions
Extended Options Available

EX-LL-10M

£220.00

EX-LL-10M is a 10 meter cable for non-vented LeveLine sensors. Cable comes complete with AquaConn connectors, suitable for direct connection to Aquatel, Bluelink or Leveline Loggers.
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EX-LL-20M

£290.00

EX-LL-20M is a 20 meter cable for non-vented LeveLine sensors. Cable comes complete with AquaConn connectors, suitable for direct connection to Aquatel, Bluelink or Leveline Loggers.
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