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Mettler Toledo™ SevenGo pro™ Dissolved Oxygen Meter

Single-channel instrument utilizing OptiOx optical measuring system

Manufacturer:  Mettler Toledo™ 51302593

 View more versions of this product

Catalog No. 01-915-706



Combines measurement accuracy and a wide range of functions with user-friendly operation and safety. Ideal for special analyses required in environmental, chemical and food and beverage industries. Features optical oxygen measurement, based on Rugged Dissolved Oxygen (RDO™) technology, for fast, precise and highly reproducible results.

  • Manual or automatic atmospheric pressure compensation using built-in barometer
  • Modern data management for 500 GLP data records with date/time, sensor ID and serial number, and user and sample ID
  • Intelligent sensor management system (ISM™) for automatic access to up-to-date calibration data
  • Contactless infrared interface for data transmission to a printer or PC
  • Intuitive, user-friendly operation using menu guidance in 10 languages and backlit display
  • Rugged, watertight housing in accordance with IP67; optional OptiOx protective guard enables use in harsh environments
  • Ergonomic design

InLab™ OptiOx for Dissolved Oxygen

  • Optical oxygen sensor based on RDO (Rugged Dissolved Oxygen) technology
  • Easy-to-replace OptiOx sensor caps
  • Robust and manageable design

The Field Kit (FK) versions include the following accessories:

  • Field Compact Case — provides space for two electrodes with a maximum cable length of 10m
  • Rubber Holster — offers optimum impact protection and battery change without cover removal
  • OptiOx Protective Guard — adds stainless-steel protection and additional weight for“sunken”measurements



CE, ISO 9001, ISO 14001
Field kit, including InLab OptiOx (IP67, 1.8m cable), OptiOx protective guard, Rubber holster, sample bottles and field compact case, four AA 1.5V batteries/1.3V NiMH accumulator
0 to 500%
32°F to 122°F
±0.1mg/L from 0 to 8mg/L, ±0.2mg/L from 8 to 20mg/L, ±10% from 20 to 50mg/L
AA/NiMH Accumulator
0° to 40°C
0 to 50mg/L
1 Year
IR to printer or PC via RS232 or USB
0°C to 50°C
Product Certifications