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Mettler Toledo™ G20S Compact Potentiometric Titrator

Ideal for fast and precise potentiometric titration with very simple operation. Mettler Toledo G20S Compact Potentiometric Titrator has an easy-to-use interface and space saving design which makes it an ideal choice for daily routine analysis.

Manufacturer:  Mettler Toledo™ ME30252669

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Catalog No. 01-914-318

Please call Customer Service at 1-800-234-7437 or send an email to help@thermofisher.com for assistance.



One Click™ User Interface
  • Large color touchscreen (VGA 5.7 in. color TFT, 640 x 480 pixel) with simple-to-understand and fast-to-operate One Click user interface
  • All users have their own homescreen with dedicated shortcut buttons (12 per user) to directly start specific routine tasks
  • User interface in English, German, French, Spanish, Italian, Chinese, Russian, Polish, Korean and Portuguese available
Solvent Manager for Safe Liquid Handling
  • Protects users against contact with chemicals
  • Takes care of filling, draining and exchange of solvents
  • It is controlled by the titrator and offers solvent exchange with One Click without additional user interaction
Compact and Simple Automation
  • Automatic Rondolino titration stand is simple to install and uses minimal bench space
  • Series of up to nine samples are processed quickly and safely
  • Dip-rinsing after each analysis ensures minimal carryover and after the series, the sensor is moved to a fixed conditioning beaker
Intelligent Burettes
  • Automatically recognizes titrant when the burette is installed on the titrator
  • Important data is saved on the RFID chip and directly transferred to the titrator, where it is stored and can be monitored
  • Eliminates usage of wrong or an expired titrant
  • Burette drive
  • Plug & Play sensor recognition
Adaptation of Predefined Methods
  • More than 20 standard tried and tested methods are available as pre-programmed methods and can be used directly
  • If necessary, they can be easily edited with the well structured method editor to be optimally integrated into your processes
Flexible Data Export
  • Export data as CSV, PDF or XML files
  • Devices such as printers, memory sticks can be connected via the USB port and are automatically recognized
  • Common USB printers (DIN-A4/US letter) or the USB-P25 compact printer for secure and GLP-compliant paper recording
LabX™ Titration PC Software
  • Connectivity to LabX Titration PC software (Express) via USB or direct Ethernet (TCP/IP)
  • Full control over the titrator, secure database archiving, networking, efficient result management with control charts and individual search filters or rapid and clear method development for new applications and complete traceability by providing user management, audit trail, method history and electronic signature
Burette Drives
  • Max. number to dose and titrate: 1 internal
  • Max. number to dose only: 1 (internal) and 1 external
  • Number of method functions per method: 12
  • Number of samples per series: 120
  • Predefined METTLER TOLEDO methods: >20
  • Max. number of methods: 100
  • Data Export/Printing: USB, Ethernet, PDF
  • Ethernet (TCP/IP): 1
  • COM (serial balance connection): 1
  • USB host (printer, memory stick, hub): 2
  • USB client (PC): 1
  • TTL I/O: 1
  • Pump/Stirrer: 1
Potentiometric Sensor Input
  • Measuring Range: ±2000mV
  • Resolution: 0.1mV
  • Error Limit: 0.2mV
Polarized Sensor Input
  • Measuring Range Ipol/Upol: 0 to 2000mV/0 to 200μA
  • Resolution Ipol/Upol: 0.1mV/0.1μA
  • Error limit Ipol/Upol: 2mV/0.2μA
  • Current source range Ipol/Upol: 0 to 24μA AC/0 to 2000mV AC
  • Current source resolution Ipol/Upol: 0.1μA/0.1mV
PT1000 Temperature Sensor
  • Measuring Range: -20° to 130°C
  • Resolution: 0.1°C
  • Error limit: 0.2°C
Burette Drives
  • Burette Resolution: 1/20,000 of the burette volume
  • Burette Resolution (20mL burette): 1μL
  • Error limit: 0.2% of the burette volume
  • Resolver Resolution: 0.0625% of the burette volume
  • Fill and eject time: 20 sec.
  • Dimensions (D x W x H): 33.3 x 21 x 32cm
  • Weight: 4.2kg


CE, ISO 9001, ISO 14001



Manual titration stand
CE, ISO 9001, ISO 14001
0 to 2000mV/0 to 200μA (Ipol/Upol), -20° to 130°C (PT1000 Temperature Sensor)
Potentiometric Titrator
0.1mV (Potentiometric Sensor Input), 0.1mV/0.1μA (Polarized Sensor Input), 0.1°C (PT1000 Temperature Sensor), 1μL (Burette)
VGA 5.7 in. color TFT, 640 x 480 pixel
120 (per series)