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Mettler Toledo™ SevenGo pro™ Dissolved Oxygen Meter

Single-channel instrument utilizing OptiOx optical measuring system

Manufacturer:  Mettler Toledo™ 51302592

 View more versions of this product

Catalog No. 01-915-705



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
Electrode kit, including InLab OptiOx (IP67, 1.8m cable), four AA batteries/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