1.1.3 Levelogger 5 Junior

solinst levelogger 5 junior water level dataloggers

The Levelogger 5 Junior provides an inexpensive alternative for measuring groundwater and surface water levels and temperature.


Solinst recommends using the most recent Levelogger 5 Junior firmware version with the latest Levelogger Software version. See Section 2.3.


Levelogger 5 Junior Technical Specifications
Level Sensor: Piezoresistive Silicon with Hastelloy Sensor
Ranges: 5, 10 m
Accuracy: ± 0.1% FS
Resolution: 0.02% FS, 0.01% FS
Normalization: Automatic Temperature Compensation
Temp Comp. Range: 0ºC to 40ºC
Temperature Sensor: Platinum Resistance Temperature Detector (RTD)
Accuracy: ± 0.1ºC
Resolution: 0.1ºC
Battery life: 5 years (based on 1 reading/minute)
Clock Accuracy (typical): ± 1 minute / year (-20ºC to 80ºC)
Operating Temperature: -20ºC to 80ºC
Memory: Continuous or Slate mode
Maximum # Readings: 75,000 sets of readings
Com Interface: Optical high-speed: USB, SDI-12
Communication Speed: 9600 bps, 57,600 bps with USB
Size: 22 mm x 160 mm (7/8" x 6.3")
Weight: 145 grams (5.1 oz)
Wetted Materials: Delrin, Viton, 316L Stainless Steel, Hastelloy
Sampling Mode: Linear, Future Start, Real Time View
Measurement Rates: 0.5 seconds to 99 hours
Barometric Compensation: High accuracy, air-only, Barologger


Models Full Scale (FS) Accuracy Resolution
M5 5 m (16.4 ft.) ± 0.6 cm (0.020 ft.) 0.02% FS
M10 10 m (32.8 ft.) ± 1.0 cm (0.032 ft.) 0.01% FS


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