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Environmental Tester Guide

General DCT430SD Datalogging Conductivity TDS Meter

General Tools DCT430SD
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General Tools, DCT430SD Conductivity/TDS Meter with Data Logging SD Card


  • Includes 3-parameter probe
  • Conductivity measurement automaticallycompensated for temperature
  • Min/Max memory + data hold
  • Big (2.5 in. diagonal) front-panel green backlitLCD is easy to read
  • Auto power off function
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List Price: $449.00
Sale: $314.30
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Product Information

General Tools DCT430SD Data Logging Conductivity Meter with SD Card accurately measures any solution’s conductivity, total dissolved solids (TDS), salt content and temperature. This data logging conductivity meter with SD card unique feature is its patented technique for storing sampled data in Excel format on removable SD memory cards.


  • Electroplating
  • Water conditioning
  • Wastewater monitoring
  • Aquaculture (fish farming)

What's In The Box

  • Hard carrying case
  • Combination conductivity/TDS/salt probe(P/N CDPB03)
  • 2 GB SD memory card
  • User’s manual


Embedded Microcontroller Custom one-chip LSI device
Display Type LCD with green backlight
Display Size 2.05 x 1.5 in. (52 x 38mm)
Parameters (units) Measured Conductivity (uS, mS)
Total dissolved solids (ppm)
Salt content (% weight)
Temperature (°F, °C)
Measurement Accuracy For conductivity: +- 2% of full-scale reading +1 digit, TDS
For temperature: ± 0.8°C/± 1.5°F
For salt: ±0.5% of value
Measurement Resolution For Conductivity: 0.1 uS @ 200 uS full-scale (f.s.), 0.001 mS @ 2 mS f.s., 0.01 mS @ 20 mS f.s., 0.1mS @ 200 mS f.s.
For TDS: 0.1 ppm @200 ppm f.s., 1 ppm @ 2,000 ppm f.s.,10 ppm @ 20,000 ppm f.s. 100 ppm @ 100,000ppm f.s
For Temperature: 0.1°F/0.1°C
For Salt: 0.01%
Storable/Recallable Readings Maximum, minimum
Data Logging Sampling Time 1 second to 9 hours
SD Card Capacity 1 GB to 16 GB
Settable Parameters Date, time, auto power off, beep sound, sampling time, decimal point or comma decimal division, temperature unit, temperature compensation level
Operating Temperature 32°to 122°F (0° to 50°C) for meter
32°to 140°F (0°to 60°C) for probe
Power Supply Six Alkaline “AA” batteries or optional 9-VDC AC adapter


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