SevenGo Duo pH/Ion/DO meter SG98 - Overview - METTLER TOLEDO

SevenGo Duo pH/Ion/DO meter SG98

Unlimited options.

Smart multi-parameter hand-held meter

A high precision dual-channel pH/ optical DO meter for simultaneous analysis of two electrochemical parameters. Easy text guided operation.

Designed to withstand harsh environments

Robust and watertight for use in demanding conditions. Efficiency thanks to unique ergonomics and simple operation.

Avoid mistakes and save time with ISM®

Intelligent Sensor Management (ISM) identifies the sensor in use. The current calibration data are stored on the sensor. Mistakes are eliminated.

Specifications - SevenGo Duo pH/Ion/DO meter SG98
Parameter pH; DO; Ion; ORP
Channel Dual-channel
Version kit Meter only
pH measuring range -2 – 19.999
pH resolution 0.001; 0.01; 0.1
pH accuracy (±) 0.002
Ion concentration measuring range 1.00E-9 – 9.99E+9
Ion concentration resolution 3 digits (depending on unit)
Ion concentration accuracy (±) 0.5 %
DO measuring range 0.000 – 50 mg/L (ppm)
DO resolution 0.01mg/L (ppm)
DO accuracy (±) ± 0.1 mg/L from 0 – 8; ± 0.2 mg/L from 8 – 20; ± 10% from 20 – 50
mV measuring range 0
mV resolution 0.1; 1
mV accuracy (±) 0.1
Temperature Range -30 °C – 130 °C
Temperature Resolution 0.1 °C
Temperature accuracy (±) 0.2 °C
Portable Yes
Security and compliance GLP; Password protection; User management
ISM support Yes
Memory size 500 measurements
Data Transfer PC; Printer
Protection Rating Watertight and dustproof (IP67)
Material Number(s) 51302661


Get Your Quote
SevenGo Duo pH/Ion/DO meter SG98


Dissolved Oxygen Electrode

Dissolved Oxygen Standard

Laboratory pH Buffer

Laboratory pH Sensor

ORP Buffers

pH Accessories

pH Electrolyte and Maintenance Solutions

Thank you for visiting We have tried to optimize your experience while on the site, but we noticed that you are using an older version of a web browser. We would like to let you know that some features on the site may not be available or may not work as nicely as they would on a newer browser version. If you would like to take full advantage of the site, please update your web browser to help improve your experience while browsing