- Model 3001 - Water Level, Temperature and Conductivity Dataloggers

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LTC Levelogger Junior - Model 3001 - Water Level, Temperature and Conductivity Dataloggers

The LTC Levelogger Junior provides the convenience of conductivity, temperature, and water level measurements in one instrument. The LTC Levelogger Junior combines a data logger, 5-year battery, pressure transducer, temperature and conductivity sensors in a small waterproof stainless steel housing, 7/8' x 7.5' (22 mm x 190 mm). Compatible with Levelogger Gold software and accessories. Calibration is quick and easy.

The LTC Levelogger Junior logs conductivity, as well as water level and temperature. Like the LT Levelogger Junior, it is easy to transport, program, deploy and retrieve data. It combines a datalogger, 5-year battery, pressure transducer, and temperature and conductivity sensors within a small waterproof housing, 7/8' x 7.5' (22 mm x 190 mm).

The conductivity sensor is a 4-electrode platinum sensor, with auto-ranging capabilities. The minimal maintenance, sealed LTC Levelogger Junior is simple to clean and calibrate,
even in the field.

Using standard Levelogger Software, it displays conductivity, temperature, and temperature-compensated water level. Memory is non-volatile and stores up to 16,000 sets of readings. Measurements are linear, in any interval between 5 seconds and 99 hours.
See the Model 3001 Gold Data Sheet for more information on the Levelogger Series of dataloggers, accessories and software.


  • Low Cost
  • Three measurements in one probe
  • Compatible with Levelogger Software and accessories
  • Single or multi-point calibration
  • Compact, low maintenance, waterproof design
  • Faraday Cage protection against power surges
  • Real-time viewing and data export to other programs
  • Compatible with STS Gold Telemetry and SDI-12

User-Friendly Operation

Barometric Compensation and Calibration Wizards guide you through the calibration process and compensation, to provide corrected data. Levelogger Software allows you to easily program your preferences, download data, and display data in a graph or table format or export to other programs. Temperature compensation is automatic, but temperature variations can also be displayed.

The Real-Time View option allows immediate viewing of live conductivity, water level and temperature readings. Leveloggers are easy to deploy; installation can be with direct read cables or wireline/rope suspension, avoiding the use of vented cables. (See Model 3001 Gold Data Sheet).

The LTC Levelogger Junior is SDI-12 compatible, can communicate with a Leveloader Gold data transfer device, and is able to integrate into a Solinst STS Gold Telemetry System.


  • Salt water intrusion and soil salination monitoring
  • Plume remediation monitoring and studies
  • Leachate monitoring at landfills, mine tailings, waste disposal storage sites, and more
  • Agricultural and stormwater runoff monitoring
  • Tracer tests


  • Level Sensor: Piezoresistive Silicon with Hastelloy Sensor
  • Ranges: F30/M10, F100/M30
  • Accuracy (typical): 0.1% FS
  • Resolution: 0.08' (0.2 cm), 0.24' (0.6 cm)
  • Normalization: Automatic Temp Compensation
  • Temperature Sensor: Platinum RTD
  • Accuracy: ± 0.1°C
  • Resolution: 0.1°C
  • Temp Compensation Range: 10˚C to 40˚C
  • Conductivity Sensor: 4-Electrode Platinum
  • Full Range: 0 - 80,000 µS/cm
  • Calibrated Range: 500 µS/cm - 50,000 µS/cm
  • Accuracy: 2% of reading or 20 µS/cm
  • Resolution: 1 µS
  • Temp Compensation Range: 0°C to 40°C
  • Normalization: Specific Conductance @ 25°C
  • General:
  • Battery life: 5 Years (5 minute sampling rate)
  • Clock Accuracy: ± 1 minute/year from 0 to 40°C
  • Operating Temperature: - 20°C to 80°C
  • Memory: Non-volatile EEPROM, FRAM back-up
  • Maximum # Readings: 16,000 sets of readings
  • Communication: Optical Infra-Red to USB or RS232
  • Size: 7/8' x 7.5' (22 mm x 190 mm)
  • Weight: 7.05 oz. (200 grams)
  • Wetted Materials: Platinum, 316L Stainless Steel, Delrin, Viton
  • Sampling Mode: Linear, (5 sec to 99 hrs), Real Time View
  • Barometric Compensation: Software Wizard and Barologger Edge
Solinst Canada Ltd.
Solinst Canada Ltd.
35 Todd Rd.
Georgetown ,  Ontario L7G 4R8


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