LEVELINE-BARO Water Level and Temperature Logger

LEVELINE

Aquaread

New

The LeveLine collects water level data at user-defined intervals and stores the information in its internal memory. The logger can take up to an impressive 10 readings per second and the huge internal memory is capable of storing up to 500,000 readings. Made from titanium, the LeveLine is built for deployment in all kinds of water from fresh groundwater to salty marine waters.

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The Sensor measures: Water level and Temperature
Sensor for use in: Outdoor & Underwater

Features:

Built to last in the field

It is constructed with harsh environments in mind and has an ultra rugged titanium body, as well as connectors that are highly resistant to corrosion. The Delrin nose cone reduces fouling of the pressure sensor, which extends the length of deployment, maintains data accuracy and extends the life of the LeveLine.

Various setup options available

Aquaread’s LeveLine is available with both vented (gauge) and non-vented (absolute) Kevlar reinforced cables that allow for real-time monitoring. If you choose the non-vented version we also manufacture a barometric pressure monitor, LeveLine – BARO. This unit is to be placed out of the water, in the vicinity of the water level logger. Each baro logger provides compensation data for multiple water level loggers that are close by. You can even select the desired testing depth range to ensure the best resolution at your chosen monitoring site. You can hook the LeveLine directly to a telemetry device because it outputs in SDI-12 as standard but if you opt for a more hands on approach you can monitor in real time using your laptop or the GPS LeveLine meter.

Exceptional battery life and low power consumption

The battery in each LeveLine can last for 10 years, which combined with the low maintenance requirements means that the LeveLine is ideal for deployment over a number of years. Combine the LeveLine with small ‘in-well’ telemetry system soon to be available and you have a powerful yet discrete monitoring system.

The LeveLine has multiple applications including: aquifer characterisation; watershed, drainage basin and recharge monitoring; harbor and tidal fluctuation monitoring; and industrial uses. The LeveLine water level logger provides highly accurate water level monitoring and can document baseline and changing water levels over time.

SDI-12 and Modbus as standard

The LeveLine is Modbus (RS485) and SDI-12 compatible, so no adaptors are necessary and it allows direct connection to telemetry and SCADA systems. The external 6-30V power supply input is compatible with batteries and solar power. Our water level logging equipment comes with intuitive PC software suite that allows simple set up and data retrieval.
The LeveLine is the only water level logger to use the QuickDeploy Key or the GPS LeveLine Meter see how they can make your deployment simpler.

Simple yet effective PC application

Connect the LeveLine logger to your PC to set up your logging scheme. Using the LeveLink software you are able to:

- Set logging rates in hours, minutes, seconds and sub-seconds.
- Set up event triggers for user specified level and temperature changes.
- Produce Google Earth files, Excel files and text reports at the press of a button.
- Displays number of recordings saved in memory and the number of available data points.
- Displays the remaining battery of the logger.

GENERAL

LEVELINE – (Abs & Gauge) LEVELINE – BARO LEVELINE- MINI LeveLine-CTD LeveLine-Mini-CTD
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)
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)
Operational: -20-80° C (-4-176° F)
Storage: -40-80° C (-40-176° F)
Compensated: -20-80° C (-4-176° F)
Diameter 22.2mm (0.875 in) 22.2mm (0.875 in) 22.2mm (0.875 in) 22mm 22mm
Length 186mm (7.32 in) 186mm (7.32 in) 87mm (3.43 in) 260mm 146mm
Weight 150g (5.3oz) 160g (5.6oz) 120g (4.2oz) 250g 210g
Materials Titanium body, Delrin nose cone Stainless Steel body, Delrin nose cone Stainless Steel body, Delrin nose cone Titanium body, Delrin nose cone Titanium body, Delrin nose cone
Output options Modbus/RS485, SDI-12, Aquaread proprietary Modbus/RS485, SDI-12, Aquaread proprietary Modbus/RS485, SDI-12, Aquaread proprietary 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) N/A 3.6V lithium; up to 10 years (see note 1) N/A
External power 6 – 30 VDC 6 – 30 VDC 6 – 30 VDC 6 – 24 VDC 6 – 24 VDC

MEMORY

LEVELINE – (Abs & Gauge) LEVELINE – BARO LEVELINE- MINI LeveLine-CTD LeveLine-Mini-CTD
Size 8.0 MB 2.0 MB N/A 8.0 MB N/A
Data records 500,000 150,000 N/A 500,000 N/A
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
N/A Linear, Event & User-Selectable Schedule with Future
Start, Future Stop, Deploy Start and Real Time View
N/A
Fastest logging rate & Modbus rate 10 per second 1 per minute (logging)
5 per second (Modbus)
10 per second (Modbus Rate) 1 per second 1 per second
Fastest SDI-12 output rate 1 per second 1 per second 1 per second 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) N/A Accurate to 1 second/24-hr period (± 6 minutes/year) N/A

SENSOR

LEVELINE – (Abs & Gauge) LEVELINE – BARO LEVELINE- MINI LeveLine-CTD LeveLine-Mini-CTD
Type / Material Piezoresistive; ceramic Piezoresistive; ceramic Piezoresistive; ceramic Piezoresistive; ceramic Piezoresistive; ceramic
Range (Absolute) 10.0m (32.8 ft), 20.0m (65.6 ft), 50.0m (164 ft), 100m (326 ft), 200m (656 ft) 0 to 16.7 psi; 0 to 1.15 bar 10.0m (32.8 ft), 20.0m (65.6 ft), 50.0m (164 ft), 100m (326 ft), 200m (656 ft) 10.0M (32.8 ft), 50.0M (164 ft), 20.0M (65.6 ft), 100M (326 ft) 10.0M (32.8 ft), 50.0M (164 ft), 20.0M (65.6 ft), 100M (326 ft)
Range (Gauge) 10.0m (32.8 ft), 20.0m (65.6 ft), 50.0m (164 ft), 100m (326 ft), 200m (656 ft) N/A N/A 10.0M (32.8 ft), 50.0M (164 ft), 20.0M (65.6 ft), 100M (326 ft) 10.0M (32.8 ft), 50.0M (164 ft), 20.0M (65.6 ft), 100M (326 ft)
Maximum pressure Max 2x range, Burst 2.5x range Max 2x range, Burst 2.5x range Max 2x range, Burst 2.5x range Max 2x range, Burst 2.5x range Max 2x range, Burst 2.5x range
Accuracy (FS) (see note 3) ±0.05% FS ±0.1% FS ±0.05% FS ±0.05% FS ±0.05% FS
Accuracy (FS) (See note 2) ±0.1% FS ±0.2% FS ±0.1% FS ±0.1% FS ±0.1% FS
Resolution 0.005% FS or 1mm whichever is greater 0.1mb 0.005% FS or 1mm whichever is greater 0.002% FS or 1mm whichever is greater 0.002% FS or 1mm whichever is greater
Units of measure Pressure: psi, kPa, bar, mbar, mmHg, inHg, cmH2O, inH2O, Level: in, ft, mm, cm, m Pressure: psi, kPa, bar, mbar, mmHg, inHg, cmH2O, inH2O Pressure: psi, kPa, bar, mbar, mmHg, inHg, cmH2O, inH2O, Level: in, ft, mm, cm, m 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

LEVELINE – (Abs & Gauge) LEVELINE – BARO LEVELINE- MINI LeveLine-CTD LeveLine-Mini-CTD
Range N/A N/A N/A 0 – 200mS/cm (0 – 200,000µS/cm) 0 – 200mS/cm (0 – 200,000µS/cm)
Resolution N/A N/A N/A 1µS 1µS
Accuracy N/A N/A N/A ± 1% reading or ±1µS whichever is greater (see note 5) ± 1% reading or ±1µS whichever is greater (see note 5)

SALINITY (note 4)

LEVELINE – (Abs & Gauge) LEVELINE – BARO LEVELINE- MINI LeveLine-CTD LeveLine-Mini-CTD
Range N/A N/A N/A 0 – 70 PSU / 0 – 70 ppt (g/Kg) 0 – 70 PSU / 0 – 70 ppt (g/Kg)
Resolution N/A N/A N/A 0.01PSU / 0.01 ppt 0.01PSU / 0.01 ppt
Accuracy N/A N/A N/A ±1% reading or ± 0.1 unit if greater ±1% reading or ± 0.1 unit if greater

TEMPERATURE SENSOR

LEVELINE – (Abs & Gauge) LEVELINE – BARO LEVELINE- MINI LeveLine-CTD LeveLine-Mini-CTD
Accuracy Resolution ±0.1° C
0.01° C
±0.1° C
0.01° C
±0.1° C
0.01° C
±0.1° C; 0.01° C ±0.1° C; 0.01° C
Units of measure Celsius Celsius Celsius Celsius (fahrenheit available in LeveLink) Celsius (fahrenheit available in LeveLink)

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