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REED SD-4307 Conductivity/TDS/Salinity Meter/Data Logger, includes Traceable Certificate

Model: SD-4307-NIST

Measures conductivity, total dissolved solids (TDS) and salt levels in water with automatic temperature compensation. Records measurements on an SD memory card without the need for software.

Your Price $539.00 USD
Availability 3 Days

REED SD-4307-NIST Offers

This SD Series datalogger is capable of measuring conductivity, total dissolved solids (TDS) and salt levels in 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 a desired sampling rate and quickly generate an Excel file without the use of software. Optional accessories include a tripod and AC adapter for continuous long-term monitoring. Optional PC software also allows a user to track live measurements.

This product includes a Traceable Certificate with full Data and Uncertainties.


  • Measures conductivity, total dissolved solids (TDS) and salt levels in water
  • Automatic temperature compensation
  • Real time datalogger with integral SD memory card (optional)
  • User selectable sampling rate
  • Large, 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

REED SD-4307 Specifications

Measuring Range 200µS, 2mS, 20mS, 200mS
Accuracy ±(2% +1 dgt)
Resolution 0.1µS, 0.001mS, 0.01mS, 0.1mS
TDS (Total Dissolved Solids)
Measuring Range 200, 2000, 20,000, 200,000 ppm
Accuracy 0.1, 1, 10, 100 ppm
Resolution ±(2% +1 dgt)
Measuring Range 0-12% (% weight)
Accuracy ±0.5%
Resolution 0.0001
General Specifications
Display Dual Display, LCD
Backlit Display Yes
Data Hold Yes
Min Yes
Max Yes
Datalogging Capabilities Yes
Real-Time Clock and Date Stamp Yes
Sampling Rate Yes (1, 2, 5, 10, 30, 60, 120, 300, 600, 1800, 3600s)
External Memory Yes, expandable up to 16Gb with SD card (optional)
Auto Shut-off Yes (after 10 mins/off)
Kick Stand Yes
Tripod Mountable Yes
Low Battery Indicator Yes
Power Supply 6 x AA batteries or AC Adapter (optional)
Output Yes
Battery Life Sampling Time Dependent
PC Connectivity USB Cable (optional)
Software   SW-U801-WIN Software (optional)
Software OS Compatibility Windows XP / Vista / 7
Product Certifications CE
Operating Temperature Meter: 32 to 122°F (0 to 50°C)
Probe: 32 to 140°F (0 to 60°C)
Storage Temperature 14 to 140°F (-10 to 60°C)
Operating Humidity Range 10-80%
Dimensions 7 x 2.7 x 1.9" (177 x 68 x 45mm)
Weight 1.1 lb (515g)
Click here for complete specifications on the REED SD-4307-NIST

What's included with the REED SD-4307-NIST

  • Conductivity/TDS/Salinity Datalogger
  • Traceable Certificate with full Data and Uncertainties
  • Probe
  • Hard Carrying Case
  • Batteries

Ideal Applications for the REED SD-4307

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

Click on a category to view a selection of compatible accessories with the REED SD-4307 Conductivity/TDS/Salinity Meter/Data Logger,.

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REED R1500 Tripod R1500
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Customer Reviews for the REED SD-4307-NIST