Aquaread Leveline-CTD Water Level

Aquaread Leveline-CTD Water Level

Aquaread Leveline-CTD Water Level records highly accurate water level, temperature, conductivity and salinity measurements in a wide range of groundwater and surface water applications. Housed inside the sealed body is a ceramic level sensor, temperature sensor, 10-year lithium battery and a versatile datalogger with capacity for 500,000 data points.

The LeveLine CTD Absolute uses a piezoresistive ceramic pressure sensor to provide excellent durability and long-term stability whilst delivering an impressive accuracy of 0.05% FS. A variety of level ranges are available and all of them are temperature compensated across a scale of -20 to 80 deg. C. The conductivity sensor is adapted from our long established Aquaprobe range and records measurements of conductivity and salinity with an impressive 0-200,000 us/cm range or 0-70 PSU for Salinity.

Across the range of Leveline water level loggers we use an all Titanium body. Titanium is widely regarded as the best material to use in any water level logger but especially important when deploying into harsh or saline environments ensuring dependable long-term deployment.

Aquaread Leveline-CTD Water Level Features

  • 05% FS Accuracy for Level
  • 1% of reading accuracy for conductivity and
  • 500,000 data point
  • 10 Year Battery
  • Titanium
  • 5 Year
  • Included LeveLink PC Software for basic and advanced data
  • SDI-12, RS485/MODBUS direct out
  • 22mm x
  • Vented option

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Applications

  • Saltwater
  • Contaminant plume
  • Tracer
  • Leachate
  • Groundwater level monitoring, pump tests, slug tests
  • Stream, lake, and reservoir water level
  • Wetland and flood water
  • Coastal
  • Tank level
  • Long term continuous monitoring in boreholes, surface water, and seawater
  • Spot

The leveline CTD is manufactured from titanium and is ideal for long-term deployment in the harshest of environments. It also has a leading accuracy, 500,000 data point memory, and direct SDI12/RS485 output. Absolute or gauge variants are to cover all the usual applications from groundwater to surface water.

Telemetry is also available to add this sensor into a large network of monitoring instruments and can be easily combined with our range of water quality aquaprobes.

Aquaread Leveline-CTD Water Level Specifications

LeveLine-CTD LeveLine-BARO
 

GENERAL

 

Temperature ranges

Operational: -20-80° C (-4-176° F)

Storage: -40-80° C (-40-176° F)

Compensated: -20-80° C (-4-176° F)

Operational: -20-80° C (-4-176° F)

Storage: -40-80° C (-40-176° F)

Compensated: -20-80° C (-4-176° F)

Diameter 22mm 22mm
Length 260mm 186mm
Weight 250g 160g
Materials Titanium body, Delrin nose cone Titanium body, Delrin nose cone
Output options Modbus/RS485, SDI-12, Aquaread proprietary Modbus/RS485, SDI-12, Aquaread proprietary
Battery type & life 3.6V lithium; up to 10 years (see note 1) 3.6V lithium; up to 10 years (see note 1)
External power 6 – 24 VDC 6 – 24 VDC

 

 

MEMORY

Size 8.0 MB 2.0MB
Data records 500,000 150,000
 

Log types

Linear, Event & User-Selectable Schedule with Future Start, Future Stop, Deploy Start and Real Time View Linear, Event & User-Selectable Schedule with Future Start, Future Stop, Deploy Start and Real Time View
Fastest logging rate & Modbus rate  

1 per second

1 per minute (logging) 5 per second (Modbus)
 

Fastest SDI-12 output rate

 

1 per second

 

1 per second

 

Real-time clock

Accurate to 1 second/24-hr period (± 6 minutes/year) Accurate to 1 second/24-hr period (± 6 minutes/year)

 

 

SENSOR

Type / Material Piezoresistive; ceramic Piezoresistive; ceramic
Range (Gauge & Absolute) 10.0M (32.8 ft)       50.0M (164 ft),

20.0M (65.6 ft),      100M (326 ft)

 

0 to 16.7 psi; 0 to 1.15 bar

Maximum pressure Max 2x range, Burst 2.5x range Max 2x range, Burst 2.5x range
Accuracy @ 15° C (note 2)  

±0.05% FS

 

±0.1% FS

Accuracy (FS) (note 3) ±0.1% FS ±0.2% FS
Resolution 0.002% FS or 1mm whichever is greater 0.1mb
 

Units of measure

Pressure: mbar (psi, kPa, bar, mbar, mmHg, inHg, cmH2O, inH2O, Level: in, ft, mm, cm and m available

in LeveLink

Pressure: mbar (psi, kPa, bar, mbar, mmHg, inHg, cmH2O, inH2O, Level: in, ft, mm, cm and m available

in LeveLink

 

 

Electrical Conductivity

 

Range

 

0 – 200mS/cm (0 – 200,000µS/cm)

 

NA

Resolution 1µS NA
Accuracy ± 1% reading or ±1µS whichever is greater (see note 5)  

NA

 

 

Salinity

(note 4)

Range 0 – 70 PSU / 0 – 70 ppt (g/Kg) NA
Resolution 0.01PSU / 0.01 ppt NA
Accuracy ±1% reading or ± 0.1 unit if greater NA

 

 

Temperature

sensor

 

Accuracy & resolution

 

±0.1° C; 0.01° C

 

±0.1° C; 0.01° C

 

Units of measure

 

Celsius (fahrenheit available in LeveLink)

 

Celsius (fahrenheit available in LeveLink)

 

Warranty

 

Standard

 

5 years

 

5 Years

 

Extended

 

Options Available

 

Options Available

Download Datasheet: Aquaread Leveline-CTD Water Level

Reference: aquaread.com

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