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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.

$2597.00 - $3588.10


Accuracy (Conductivity) 0.5 %
Accuracy (mV) 0.1
Accuracy (pH) 0.002
Data Management Details PC; Printer; USB Stick
Channels Dual-channel
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Products 3
Catalog Number Mfr. No. Description Price Quantity & Availability  
Catalog Number Mfr. No. Description Price Quantity & Availability  
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Mettler Toledo™
SevenDirect SD23, Meter Only
Each for $2,597.00
Add to Cart
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Mettler Toledo™
SevenDirect SD23 Kit
Each for $3,259.50
Add to Cart
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Mettler Toledo™
SevenDirect SD23 Pure H2O
Each for $3,588.10
Add to Cart


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


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