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Main -> Measuring systems -> Electrochemistry -> Oxygen meters
Oxygen Meters, METTLER TOLEDO
1 Optical oxygen meter SevenGo Pro SG9 RDO

  • Handheld meter for measuring dissolved oxygen
  • Unique optical InLab OptiOx RDO sensor for fast, accurate, and stable measurements: More robust than LDO sensors, fast reaction, immediately ready for operation, extra-easy handling
  • Intelligent sensor management (ISM®) for optimum sensor control and longer useful life
  • Full GxP support, easy and safe operation
  • 1- or 2-point calibration
  • Data memory for 500 GLP data records with date/time of day, sensor ID and SN, user and sample ID
  • Wireless IR communication
  • Large backlit graphic display
ArticleOrder No.
Portamess® 911 Oxy10 50 02591

Meter, 4 batteries, user manual, certification

SG9-ELK10 50 02592

as SG9-B, plus nElectrode InLab® OptiOx (ISM, IP67, 1.8 m cable)

SG9-FK210 50 02593

as SG9-ELK, plus protective cover, field bag, calibration bottle, sensor accessories

SG9-FK510 50 02594

as SG9-FK2, but with 5 m electrode cable



2 Portable pH/oxygen meter SevenGo Duo pro SG98 RDO

  • 2-channel handheld meter for measuring pH, mV, ion concentration, and dissolved oxygen
  • Unique optical RDO sensor for fast, accurate, and stable O2 measurements: More robust than LDO sensors, fast reaction, immediately ready for operation, extra-easy handling
  • Intelligent sensor management (ISM®) for optimum sensor control and longer useful life
  • Full GxP support, easy and safe operation
  • 1- or 2-point calibration
  • Data memory for 500 GLP data records with date/time of day, sensor ID and SN, user and sample ID
  • Wireless IR communication
  • Large backlit graphic display

ArticleOrder No.
SG98-B10 50 02661

2-channel-meter, 4 batteries, user manual, certification

SG98-ELK10 50 02662

as SG98-B, plus O2 electrode InLab® OptiOx-ISM, pH electrode InLab® Expert pro-ISM

SG98-FK210 50 02663

as SG98-ELK, plus protective cover, field bag, calibration bottle, sensor accessories

SG98-FK510 50 02664

as SG98-FK2,but with 5 m electrode cable



3 Accessories
ArticleOrder No.
RDO sensor InLab®OptiOx-ISM-2m10 50 04621

incl. 2 m cable, mini-LTW-connector, with 5 m or 10 m cable: have a look at SevenGo Duo ISM sensors

Replacement cap10 50 04630

for InLab® OptiOx sensor

Calibration bottle10 50 04631

for InLab® OptiOx sensor

Protective cap/sinker (stainless steel)10 50 04632

for InLab® OptiOx sensor

BOD adapter10 50 04633

for InLab® OptiOx sensor




More sensors see here.