Solinst 201 Water Level Temperature Meter

  • Wide Temperature Range Measure from -20 deg C to 125 deg C
  • Range of Lengths Available 30m, 60m, 100m, 150m, 250m, 300m, 400m, 500m and 600m
  • Long Battery Life Standard 9V alkaline battery provides 90 hours of operation
Product Options
Carry Case Required


The 201 Water Level Temperature (WLT) Meter provides accurate temperature and level measurements in a wide range of applications. It is available in tape lengths up to 600 m (2000 ft) and is ideal for measurements in static wells or profiling temperature in boreholes, tanks, wells and open water.

Water level measurements can be easily read off the Solinst PVDF flat tape whilst temperature is clearly displayed on the LCD readout. The temperature sensor is suitable for use between -20°C and 125°C .

An optional carry case is available to purchase separately.

Manufactured by: Solinst
Model: Solinst 201 Water Level Temperature Meter

Services offered for this product

  • Sales
  • Rental
  • Installation
  • Calibration
  • Maintenance


Profiling temperature in wells and open water
Detecting runoff, points of inflow, or other sources of thermal pollution
Early warning of changes in water quality, including dissolved oxygen levels and conductivity
Monitoring and predicting changes in aquatic environments
Geothermal drilling and studies


Temperature Reading Range -20.00°C to +125.00°C
Temperature Reading Accuracy +/- 0.50ºC
Temperature Resolution 0.01ºC
Temperature Stabilisation Time 15 seconds per ºC
Probe Pressure Rating Submersible to 1000 ft (300 m).
Probe Weight 3.07 ounces (87 grams)
Probe Size 5/8" dia., 5.08" long (16 mm x 129 mm)
Wetted Materials (tape/probe) PVDF, Santoprene, Delrin, Viton, 316 stainless steel
Operating Temperature of Reel -20°C to +60°C
Battery Life 90 hours
Auto-off 8 minutes
Standard Tape Lengths Meters: 30, 60, 100, 150, 250, 300
Feet: 100, 200, 300, 500, 750, 1000