LTC Levelogger Junior

solinst ltc levelogger junior water conductivity dataloggers

The LTC Levelogger Junior provides an inexpensive and convenient method to measure level, temperature and conductivity all in one probe.


Solinst recommends using the most recent LTC Levelogger Junior firmware version withwith Levelogger Software Version 4.4.0. See Section 2.3.


LTC Levelogger Junior Technical Specifications
Level Sensor: Piezoresistive Silicon with Hastelloy Sensor
Ranges: 30, 100 ft. (10, 30 m)
Accuracy: ± 0.1% FS
Normalization: Automatic Temperature Compensation
Temp Comp. Range: 10ºC to 40ºC
Temperature Sensor: Platinum Resistance Temperature Detector (RTD)
Accuracy: ± 0.1ºC
Resolution: 0.1ºC
Conductivity Sensor: 4-Electrode Platinum
Full Range: 0 to 80,000 μS/cm
Calibrated Range: 500 to 50,000 μS/cm
Accuracy: ± 2% of reading or 20 μS/cm
Resolution: 1 μS
Normalization: Specific Conductance normalized to 25ºC for full range
User Calibration Points: 1413, 5000, 12,880 μS
Battery Life: 5 years (based on 1 reading/ 5 minutes)
Clock Accuracy (typical): ± 1 minute / year
Operating Temperature: -20ºC to 80ºC
Memory: Slate mode
Maximum Readings: 16,000
Communication Speed: 9600 bps
Com Interface: Optical Infrared: USB, RS-232, SDI-12
Size: 22 mm x 190 mm (7/8" x 7.5")
Weight: 200 g (7.05 oz.)
Wetted Materials: Hastelloy, Delrin®, Viton®, 316L Stainless Steel, Platinum
Sampling Mode: Linear, Future Start, Real Time View
Measurement Rates: 5 seconds to 99 hours
Altitude Input: -980 to 16,400 ft. (-300 to 5,000 m)
Barometric Compensation: High accuracy, air-only, Barologger


LTC Models Full Scale (FS) Accuracy
F30, M10 32.8 ft., 10 m ± 0.032 ft., 1.0 cm
F100, M30 98.4 ft., 30 m ± 0.098 ft., 3 cm


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