Reed Instruments Sd 4307 Conductivity Tds Salinity Meter Data Logger Reed Sd 4307 4

REED SD-4307 Data Logging Conductivity/TDS/Salinity Meter


Model: SD-4307 | UPC: 800837001887

Real-time data logger with integrated SD memory card (optional) measures/records conductivity, total dissolved solids (TDS), and salt levels in water with automatic temperature compensation.

Datasheet Manual

REED SD-4307 Offers

This SD Series data logger is capable of measuring conductivity, total dissolved solids (TDS), and salt levels in the water. The SD-4307 features Data hold, Max/Min functions, and an easy-to-read backlit LCD display. Using an SD card (max 16Gb), a user can select the desired sampling rate and quickly generate an Excel file without the use of the software. Optional accessories include a tripod and AC adapter for continuous long-term monitoring. The optional PC software also allows a user to track live measurements.

What’s included with the REED SD-4307

  • Conductivity/TDS/Salinity Datalogger
  • Probe
  • Hard Carrying Case
  • Batteries


  • Measures conductivity, total dissolved solids (TDS) and salt levels in water
  • Automatic temperature compensation
  • Real-time data logger with integral SD memory card (optional)
  • User-selectable sampling rate
  • Easy-to-read backlit LCD display
  • Data hold and Min/Max functions
  • Optional PC software features live tracking via USB connection
  • Tripod mount for long-term monitoring
  • Low battery indicator and auto shut off

Ideal Applications for the REED SD-4307

  • Water Conditioning
  • General-purpose pH measurement
  • Aquariums
  • Wastewater monitoring
  • Beverage Production