Model EST-3X

Electric Water Quality Meter (Electrical Conductivity/Water Temperature Meter)

Model EST-3X Electric Water Quality Meter (Electrical Conductivity/Water Temperature Meter)

This device is used for measuring the electrical conductivity and water temperature of lakes, rivers, and groundwater. The probe and cabtire cable are designed to withstand high levels of water pressure and tension, making it easy to conduct distribution measurements by depth.

Specifications

Controller | Model EST-3X Electric Water Quality Meter (Electrical Conductivity/Water Temperature Meter)
Example of display | Model EST-3X Electric Water Quality Meter (Electrical Conductivity/Water Temperature Meter)
Application example | Model EST-3X Electric Water Quality Meter (Electrical Conductivity/Water Temperature Meter)
  • Internal memory function
  • Water drop proof construction
  • Large and easy-to-read LCD display
  • Loadable probe (special electrode type)
  • Portable
  • Includes 25˚C conductivity conversion function

Measurement Range

Conductivity:

  • 20 - 400 µs/cm, accuracy ±3% (F.S.)
  • 350 - 4,000 µs/cm, accuracy ±3% (F.S.)
  • 3,500 - 50,000 µs/cm, accuracy ±3% (F.S.)

* 3-level switching

Water Temperature:

  • -5 - 40˚C, accuracy ±0.1˚C

Memory Function

MAX 10,000 data points (timestamp + measurement data)

Power Supply

Four C size dry cell batteries or DC12V (option)

Battery Life

Approximately 8 hours with continuous use.

Features

Dimensions (mm) Weight (kg) Notes
Probe φ 40 × 260 0.9
Cabtire cable φ 8 × 20 m (standard) 1.6 [Model EST-3X・S] Tensile strength over 50 kg
φ 8 × 50 m (standard) 4.0 [Model EST-3X・L] Tensile strength over 50 kg
Adjustable cord length Maximum extension 500 m
Controller 80 × 154 × 190 0.95 Including batteries

Option

  • Cord marker indicator
  • Cord spool
  • External output (0 - 1V, RS-232C, USB 2.0 standard, etc.)
  • Salinity conversion function (Cl display)