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Mettler Toledo™ pH/Conductivity Meter SevenDirect SD23

The SevenDirect SD23 is an accurate and flexible benchtop meter for the determination of pH and conductivity - either separately or simultaneously. The instrument is delivered with an EasyPlace sensor arm.

Supplier:  Mettler Toledo™ 30671568

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Catalog No. 01-911-930

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This item is not returnable. View return policy



  • Mastered in no Time
  • Large color touchscreen provides direct measurement and easy data entry
  • Instructions guide users through the sensor calibration process
  • Tracks your Records
  • The instrument stores data like timestamp, sample and sensor ID with every measurement and prints or exports records automatically
  • Tough Enough
  • Closed connector compartment and replaceable cover keep the instrument safe from dust and spills, even with sensors attached (IP54 in-use)
  • Pure water specialist sensors
  • InLab Pure-Pro ISM and InLab 741-ISM are specialist sensors for pH, temperature and conductivity measurements in pure water
  • They are specifically designed to achieve high accuracy in this challenging sample
  • Electrode Arm for Efficient Operation
  • The EasyPlace electrode arm makes placing the sensor in the sample or buffer container easy
  • Dedicated positions for cleaning and storage support correct sensor handling
  • Vertical and horizontal movements facilitate precise positioning, even with one hand
  • Protect Critical Settings
  • A two-level user management protects the most important settings
  • Operators retain the flexibility to individually set preferences like language and screen brightness
  • Display Adapts to Your Needs
  • View detailed measurement information on one measurement screen - or focus on the result only and maximize readability with the uFocus mode
  • Two Parameters in One Device
  • Measure pH and conductivity with one instrument - simultaneously or separately as the application requires


0.5 %
SevenDirect SD23 Pure H2O
7 in. Color TFT
0.001 μS/cm to 2000 mS/cm
0.1; 0.01; 0.001
2000 Standard Measurements
0.001 to 1
1; 0.1
850 g
PC; Printer; USB Stick
-2000 to 2000 mV
-30°C to 130°C
Ready-to-measure kit
1; 0.1
±0.1°C between 0°C and 100°C
195 x 205 x 65 mm


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