Solinst Model 3001 Levelogger Edge Pressure Transducers

Levelogger® Edge Model 3001 The Levelogger Edge records highly accurate groundwater and surface water level and temperature measurements. It combines a pressure sensor, temperature detector, 10-year lithium battery, and datalogger, sealed within a 7/8" x 6.25" (22 mm x 159 mm) stainless steel housing with Titanium based PVD coating.

The Levelogger Edge measures absolute pressure using a Hastelloy pressure sensor, offering excellent durability and reliability. Combined with the Titanium based PVD coating, both elements have high corrosion resistance in harsh environments, allowing stable readings in extreme pressure and temperature conditions. The Hastelloy sensor can withstand 2 times overpressure without permanent damage.

The Levelogger Edge features a wide temperature compensated pressure range (0 to 50ºC, -10 to 50ºC for Barologger Edge), and rapid thermal response time. The Levelogger Edge has high resolution and an accuracy of 0.05% FS. The convenient Barologger Edge provides the easiest and most accurate method of barometric compensation.

Applications

• Aquifer characterization: pumping tests, slug tests, etc.

• Watershed, drainage basin and recharge monitoring

• Stream gauging, lake and reservoir management

• Harbour and tidal fluctuation measurement

• Wetlands and stormwater run-off monitoring

• Water supply and tank level measurement

• Mine water and landfill leachate management

• Long-term water level monitoring in wells, surface water bodies and seawater environments

Features

• 0.05% FS Accuracy

• Corrosion resistant Titanium based PVD coating

•  Robust Hastelloy pressure sensor

•  Accurate temperature compensation

•  Memory for up to 120,000 readings

• Basic and advanced data compensation options

The Levelogger Edge has a battery life of 10 years based on a 1-minute sampling rate. It has FRAM memory for 40,000 sets of data points – or up to 120,000 using the compressed linear sampling option.

The Levelogger Edge uses a Faraday cage design, which protects against power surges or electrical spikes caused by lightning. Its durable maintenance-free design, high accuracy and stability, make the Levelogger Edge the most reliable instrument for longterm, continuous water level recording.

Levelogger Edge Specifications

Level Sensor: Piezoresistive Silicon with Hastelloy Sensor

Accuracy: ± 0.05% FS (Barologger Edge: ± 0.05 kPa)

Stability of Readings: Superior, low noise

Resolution: 0.002% FS to 0.0006% FS

Units of Measure: m, cm, ft., psi, kPa, bar, ºC. ºF (Barologger Edge: psi, kPa, mbar, ºC, ºF)

Normalization: Automatic Temperature Compensation

Temp. Comp. Range: 0º to 50ºC (Barologger Edge: -10 to +50ºC)

Temperature Sensor: Platinum Resistance Temperature Detector (RTD)

Temp. Sensor Accuracy: ± 0.05ºC Temp.

Sensor Resolution:0.003°C

Battery Life: 10 Years – based on 1 reading/minute

Clock Accuracy: ± 1 minute/year (-20ºC to 80ºC)

Operating Temperature: -20ºC to 80ºC

Maximum # Readings: 40,000 readings FRAM memory, or up to 120,000 using linear data compression

Memory Mode: Slate and Continuous

Communication: Optical Infrared Interface. Conversion to RS-232, USB, SDI-12. Serial at 9600 bps, 38,400 bps with USB

Size: 7/8" x 6.25" (22 mm x 159 mm)

Weight: 4.6 oz. (129 grams)

Corrosion Resistance: Titanium based PVD coating

Other Wetted Materials: Delrin®, Viton®, 316L stainless steel, Hastelloy, Titanium based PVD coating

Sampling Modes: Linear, Event & User-Selectable with Repeat Mode, Future Start, Future Stop, Real-Time View

Measurement Rates: 1/8 sec to 99 hrs

Barometric Compensation: Software Wizard and one Barologger in local area (approx. 20 miles/30 km radius)

Models           Full Scale (FS)         Accuracy                 Resolution

Barologger       Air only                   ± 0.05 kPa                 0.002% FS

M10                 10 m (32.8 ft.)       ± 0.5 cm (0.016 ft.)      0.0006% FS

M30                 30 m (98.4 ft.)      ± 1.5 cm (0.064 ft.)      0.0006% FS

Communication

Levelogger PC Software is streamlined, making it easy to program dataloggers, and to view and compensate data, in the office or in the field. The software has useful programming options, including compressed and repeat sampling, and future start/stop. Data compensation has been simplified, and allows multiple data files to be barometrically compensated at once.

The extremely intuitive Solinst Levelogger App, and Levelogger App Interface on your in-field Leveloggers, creates a Bluetooth® connection between your Leveloggers and smart device. 

Levelogger Setup

Programming Leveloggers is extremely intuitive. Simply connect to a PC using an Optical Reader or PC Interface Cable. All in one screen fill in your project information and sampling regime. Templates of settings can be saved for easy re-use.

The Levelogger time may be synchronized to the computer clock. There are options for immediate start or future start and stop times. The percentage battery life remaining and the amount of free memory are indicated on the settings screen.

Leveloggers can also be programmed with a sampling regime  and start/stop times using the Solinst Levelogger App on your smart device.

Convenient Sampling Options

Leveloggers can be programmed with linear, event-based, or a user-selectable sampling schedule. Linear sampling can be set from 1/8 second to 99 hours. The Levelogger Edge can be programmed with compressed linear sampling, which increases memory from 40,000 to up to 120,000 readings. 

Event-based sampling can be set to record when the level changes by a selected threshold. Readings are checked at the selected time interval, but only recorded in memory if the condition has been met. A default reading is taken every
 24 hours if no “event” occurs. 

The Schedule option allows up to 30 schedule items, each with its own sampling rate and duration. For convenience, there is an option to automatically repeat the schedule.

Data Download, Viewing and Export

Data is downloaded to a PC with the click of a screen icon. There are multiple options for downloading data, including ‘Append Data’ and ‘All Data’. The software also allows immediate viewing of the data in graph or table format using the ‘Real Time View’ tab.

The level data is automatically compensated for temperature, and the temperature data is also downloaded. Barometric compensation of Levelogger data is performed using the Data Wizard, which can also be used to input manual data adjustments, elevation, offsets, density, and adjust for Barometric efficiency.

The software allows easy export of the data into a spreadsheet or database for further processing.

The Solinst Levelogger App also allows you to view and save
 real-time, or logged data right on your smart device.

Helpful Utilities

The ‘Self-Test Diagnostic Utility’ can be used in case of an unexpected problem. It checks the functioning of the program, calibration, backup and logging memories, the pressure transducer, temperature sensor and battery voltage, as well as enabling a complete Memory Dump, if required. 

A firmware upgrade will be available from time to time, to allow upgrading of the Levelogger Edge, as new features are added. 

Solinst Levelogger App & Levelogger App Interface

The Levelogger App Interface uses Bluetooth® technology to connect your Levelogger to your smart device. With the Solinst Levelogger App, you can download data, view real-time data, and program your Leveloggers. Data can be e-mailed from your smart device directly to your office (see Model 3001 Levelogger App & Interface)

Accurate Barometric Compensation

The Levelogger Edge measures absolute pressure (water pressure + atmospheric pressure) expressed in feet, meters, centimeters, psi, kPa, or bar.

The most accurate method of obtaining changes in water level is to compensate for atmospheric pressure fluctuations using a Barologger Edge, avoiding time lag in the compensation.

The Barologger is set above high water level in one location on site. One Barologger can be used to compensate all Leveloggers in a 20 mile (30 km) radius and/or with every 1000 ft. (300 m) change in elevation.

The Levelogger Software Data Compensation Wizard automatically produces compensated data files using the synchronized data files from the Barologger and Leveloggers on site.

The Barologger Edge uses pressure algorithms based on air rather than water pressure, giving superior accuracy. 

The recorded barometric information can also be very useful to help determine barometric lag and/or barometric efficiency of the monitored aquifer.

The Barologger Edge records atmospheric pressure in  psi, kPa, or mbar. When compensating submerged Levelogger Edge, Gold or Junior data, Levelogger Software Version 4 can recognize the type of Levelogger and compensate using the same units found in the submerged data file (Levelogger Gold and Junior measure in feet, meters, or centimeters). This makes the Barologger Edge backwards compatible.

Rental unit includes: Pressure transducer with specified pressure range, manual and case.

*Required extra rentals: Communication device (Levelogger App Interface) if you don't currently have a communication device. Barologger also required if you want data compensated for atmospheric pressure changes.