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METTLER TOLEDO™ Portable pH/Conductivity/Dissolved Oxygen/Ion Meters

Water and dust proof, IP67 rated meter for portable or field measurements. Portable meters compatible with pH, conductivity, dissolved oxygen, and ion selective electrodes.

Manufacturer:  METTLER TOLEDO™ 30207939

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Catalog No. 01-913-989

Includes: Meter, LabX direct pH, USB cable, electrode clip, InLab OptiOx, BOD adapter, zero oxygen tablets, base accessory, bottles for calibration, uGo carrying case, InLab OptiOx protective guard, operating instructions, quick guide, test report, declaration of conformity and batteries



  • Dust proof
  • Water proof
  • IP67 Rated
  • pH, Redox/ORP, conductivity, dissolved oxygen and ISE measuring capability (model dependent)
  • Compatible with a wide range of IP67-rated electrodes for any application
  • Compatible with our ISM electrodes that capture and save calibration data which is then automatically recognized by the meter once connected
  • Data storage available; capacity dependent on model
  • Export data to a printer or Excel file
  • EasyDirect software available for data transfer (model dependent)
  • Rubber holster available for single-handed measurements
  • uGo carrying and protecting case included in selective kits (see below for complete list); available for all portable meters


ISO 9001, ISO 14001



±0.1 mg/L in range 0 to 8 mg/L; ±0.2 mg/L in range 8 to 20 mg/L; ±10% in range 20 t
4 x 1.5 V AA, 1.3V NiMH acc. or USB
2000 (GLP conform)
0.1 to 500.0%
BOD measurements in all types of water samples.
Mini LTW
Single channel; dissolved oxygen (DO)
0.01 to 50.00mg/L (ppm)
222 x 70 x 35 mm
200 to 250 hr.
ISO 9001, ISO 14001
Seven2Go DO meter S9-BOD-Kit
IP 67
0°C to 50°C
InLab OptiOx optical dissolved oxygen/ temperature electrode; uGo carrying/protective case; BOD adapter
Chinese, Chinese (TW), Japanese, Indonesian, Danish, English (US), German, Norwegian, Italian, Portuguese (BR), Polish, Russian, Slovenian, Spanish, Swedish, Thai
0.1 to 500.0%
500 to 1100 mbar
S9 DO Meter: BOD kit
290 g
Product Certifications