• Barologger


  • Air only
  • Accuracy: ± 0.05 kPa
  • Compensation for multiple Leveloggers

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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.

Level Sensor:Piezoresistive Silicon with
Hastelloy Sensor
Accuracy (Typical):± 0.05 kPa
Resolution:24 Bit Resolution
Normalization:Automatic Temp Compensation
Temperature Sensor:Platinum Resistance Temperature Detector (RTD)
Temp. Sensor Accuracy:± 0.05ºC
Temp. Sensor Resolution:0.003ºC
Temp. Compensation Range:-10ºC to 50ºC
Battery life:10 years (based on 1 reading/minute)
Clock Accuracy:± 1 minute/year (-20ºC to 80ºC)
Operating Temperature:- 20°C to 80°C
Maximum # Readings40,000 (up to 120,000 using data compression)
Memory:FRAM, Continuous or Slate mode
Communication Speed:9600 bps, 38,400 bps with USB optical reader
Communication Interface:Optical Infra-red: USB, RS-232, SDI-12
Size:7/8" x 6.25" (22 mm x 159 mm)
Weight:129 grams (4.5 oz.)
Corrosion Resistance:Titanium based PVD coated body and superior corrosion resistant Hastelloy sensor
Other Wetted Materials:Delrin®, Viton®, 316L Stainless Steel
Sampling Modes:Linear, Event & User-Selectable Schedule with Repeat Mode,
Future Start, Future Stop, Real-Time View
Measurement Rates:0.125 second to 99 hours
Barologger Edge Model
Air Only± 0.05 kPa