1.1.4 Levelogger 5 LTC

solinst levelogger 5 ltc groundwater conductivity datalogger

The Levelogger 5 LTC provides an accurate and convenient method to measure water level, temperature and conductivity all in one probe.

Note:

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

 

Levelogger 5 LTC Technical Specifications
Level Sensor: Piezoresistive Silicon Pressure Sensor
Ranges: 5, 10, 20, 30, 100, and 200 m
Accuracy: ± 0.05% FS
Resolution: 0.001% FS, 0.0006% FS
Normalization: Automatic Temperature Compensation
Temp Comp. Range: 0ºC to 50ºC
Temperature Sensor: Platinum Resistance Temperature Detector (RTD)
Accuracy: ± 0.05ºC
Resolution: 0.003ºC
Conductivity Sensor: 4-Electrode Platinum
Full Range: 0 to 100,000 μS/cm
Calibrated Range: 50 to 80,000 μS/cm
Accuracy: ±1% 5,000 µS/cm - 80,000 µS/cm; greater of ±2% or 15 µS/cm from 50 µS/cm - 5,000 µS/cm
Resolution: ± 0.1 μS/cm
Normalization: Specific Conductance normalized to 25ºC for full range
User Calibration Points: 1413, 5000, 12,880, 80,000 μS
Battery Life 8 years (based on 1 reading every 5 minutes)
Clock Accuracy (typical) ± 1 minute / year
Operating Temperature -20ºC to 80ºC
Memory Continuous or Slate Mode
Maximum Readings 100,000 sets of readings
Communication Speed 9600 bps, 57,600 bps with USB
Com Interface Optical high-speed: USB, SDI-12
Size 22 mm x 208 mm (7/8" x 8.2")
Weight 6.9 oz (197 g)
Corrosion Resistance Baked-on coating using polymerization technology (inside and out) and superior corrosion resistant Hastelloy pressure sensor
Wetted Materials Delrin, Viton, 316L Stainless Steel, Hastelloy, Platinum, Regulator approved PFAS-free PTFE
Sampling Mode Linear, Event & User-Selectable Schedule with Repeat Mode, Future Start, Future Stop, Real Time View
Measurement Rates 2 seconds to 99 hours
Barometric Compensation: High accuracy, air-only, Barologger

 

Models Full Scale Accuracy Resolution
M5 C80 5 m (16.4 ft.) ± 0.3 cm (0.010 ft.) 0.001% FS
M10 C80 10 m (32.8 ft.) ± 0.5 cm (0.016 ft.) 0.0006% FS
M20 C80 20 m (65.6 ft.) ± 1 cm (0.032 ft.) 0.0006% FS
M30 C80 30 m (98.4 ft.) ± 1.5 cm (0.064 ft.) 0.0006% FS
M100 C80 100 m (328.1 ft.) ± 5 cm (0.164 ft.) 0.0006% FS
M200 C80 200 m (656.2 ft.) ± 10 cm (0.328 ft.) 0.0006% FS

 

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