Solinst

3001 Levelogger 6

Absolute pressure water level and temperature datalogger with a Hastelloy sensor and a 10-year battery.

±0.05% FS accuracy with 2 times over-pressure protection
150,000 data sets of memory plus a dedicated 20,000-reading backup
22 mm x 160 mm (7/8" x 6.3") stainless steel body with a baked-on, PFAS-free polymerization coating

Quantity

Overview

The Levelogger 6 is a water level and temperature datalogger engineered with enhanced reliability, advanced on-board capabilities, high speed communications and data management tools for modern monitoring programs.

Typical applications

Aquifer characterization (pumping tests, slug tests, etc.)
Watershed, drainage basin and recharge monitoring
Stream gauging, lake and reservoir management
Harbour and tidal fluctuation measurement
Wetlands and stormwater run-off monitoring
Water supply and tank level measurement
Mine water and landfill leachate management
Long-term water level monitoring in wells, surface water bodies and seawater environments

Key Features

Mk3 USB-C PC Interface Cable doubles communication speed, with in-field diagnostics, LED status indicators and a built-in self-test
Upgraded electronics for enhanced temperature stability and sensitivity
Improved time tracking with local, GMT and UTC time options
Data analysis tools: min/max/average per interval and noise filters
Merge data files
Data loss protection with a dedicated 20,000-reading backup memory
Instant diagnostics
Faraday cage design
Linear, event and user-selectable sampling with repeat mode, future start, future stop and real-time view
Measurement rates from 1/8 second to 99 hours
Compatible with SDI-12 and MODBUS (surface Interface Cable required)

Benefits

2X Download Speed & Smart USB-C Connectivity: with the Mk3 USB-C PC Interface Cable, communication speed doubles to 19.2k baud, with real-time LED diagnostic feedback for Direct Read Cables.
Upgraded Electronics & Precision: enhanced temperature stability and sensitivity across extreme ranges, with a Hastelloy® piezoresistive sensor giving 0.05% FS accuracy and 2 times over-pressure protection.
Data-Loss Protection: primary memory stores up to 150,000 data sets, and a dedicated non-volatile backup memory holds the latest 20,000 readings.

Extreme Environmental Durability: 22 mm x 160 mm (7/8" x 6.3") stainless steel body with double o-ring seals and a baked-on, PFAS-free polymerization coating inside and out.

Specifications

SPECIFICATIONS
Level sensor	Piezoresistive silicon with Hastelloy® sensor
Accuracy	±0.05% FS
Resolution	0.001% FS to 0.0006% FS
Over-pressure	Withstands 2 times over-pressure without permanent damage
Units of measure	m, cm, ft, psi, kPa, bar, °C, °F
Normalization	Automatic temperature compensation
Temperature compensation range	0°C to 50°C
Temperature sensor	Platinum Resistance Temperature Detector (RTD)
Temperature sensor accuracy	±0.05°C
Temperature sensor resolution	0.003°C
Battery life	10 years (based on 1 reading/minute)
Clock accuracy (typical)	±1 minute/year (-20°C to 80°C)
Operating temperature	-20°C to 80°C
Size	22 mm x 160 mm (7/8" x 6.3")
Weight	146 g (5.2 oz)
Corrosion resistance	Baked-on coating using polymerization technology (inside and out)
Other wetted materials	Delrin®, Viton®, 316L stainless steel, Hastelloy®, PFAS-free polymerization coating

DATA LOGGING
Maximum readings	150,000 sets of readings
Dedicated backup memory	20,000 sets of most recent readings
Memory mode	Slate and Continuous
Sampling modes	Linear, Event & User-Selectable with Repeat Mode, Future Start, Future Stop, Real-Time View
Measurement rates	1/8 sec to 99 hrs
Schedule option	Up to 30 schedule items, each with its own sampling rate and duration
Communication	Optical high-speed: USB, SDI-12, MODBUS (requires a surface Interface Cable for SDI-12 and MODBUS) 9600 bps; 57600 bps with USB Desktop/Field Reader; 19.2k baud with Mk3 USB-C PC Interface Cable
Barometric compensation	Software Wizard and one Barologger 6 in local area (approx. 30 km/20 miles radius)

MODELS
M5	Full scale: 5 m (16.4 ft) Accuracy: ±0.3 cm (0.010 ft) Resolution: 0.001% FS
M10	Full scale: 10 m (32.8 ft) Accuracy: ±0.5 cm (0.016 ft) Resolution: 0.0006% FS
M20	Full scale: 20 m (65.6 ft) Accuracy: ±1 cm (0.033 ft) Resolution: 0.0006% FS
M30	Full scale: 30 m (98.4 ft) Accuracy: ±1.5 cm (0.049 ft) Resolution: 0.0006% FS
M100	Full scale: 100 m (328.1 ft) Accuracy: ±5 cm (0.164 ft) Resolution: 0.0006% FS
M200	Full scale: 200 m (656.2 ft) Accuracy: ±10 cm (0.328 ft) Resolution: 0.0006% FS

DEPLOYMENT
Standard cable deployment	Stainless steel wireline or Kevlar® cord, available in a variety of lengths
Direct Read Cables	Available for attachment to any Levelogger in lengths up to 1500 ft. 3.175 mm dia. (1/8") coaxial cable with outer polyurethane jacket and stranded stainless steel conductor
2" Locking Well Cap	Fits standard and Direct Read Cable deployments; Well Cap insert has two openings for Levelogger and Barologger direct read cables; adaptors available for 4" wells; vented to equalize atmospheric pressure; secured with a lock with a 9.5 mm (3/8") shackle diameter

OPTIONS AND ACCESSORIES
Mk3 USB-C PC Interface Cable	Doubles communication speed to 19.2k baud, USB Type-C connector, LED status indicators, built-in self-test for Direct Read Cable faults, backwards compatible
Desktop Reader / Field Reader	Existing readers work with the Levelogger 6 single-eye optical interface
Levelogger App Interface	Bluetooth® connection between the Levelogger and the Solinst Levelogger App on a smart device
Solinst Readout Unit (SRU)	Displays instant water level readings and Levelogger status, saves real-time logging sessions, with automatic barometric compensation
DataGrabber	Field-ready USB data transfer unit; one push-button downloads all data in the Levelogger memory
Remote monitoring	LevelSender, SolSat Satellite Telemetry, RRL Remote Radio Link
SDI-12/MODBUS Interface Cable	Connects Leveloggers to an SDI-12 or MODBUS datalogger via a Direct Read Cable
Barologger 6	Used for accurate barometric compensation of Levelogger data

Downloads

Levelogger 6 Series Datasheet (EN)	DownloadLevelogger 6 Series Datasheet (EN)
Levelogger 6 Series Quick Start Guide (EN)	DownloadLevelogger 6 Series Quick Start Guide (EN)