This is the Chinese user manual for the Mettler Toledo Seven2Go Cal S4 portable dissolved oxygen meter, covering safety, operation, calibration, and…
The document provides operating instructions for the Mettler Toledo Seven2Go Cal S4 portable instrument designed to measure dissolved oxygen. It details the device's features, including a touchpad interface and IP67 protection rating, suitable for laboratory, production line, or outdoor use.
Key sections cover safety precautions, product design and functions such as sensor connections and display icons, step-by-step procedures for installation and operation, calibration methods (1-point and 2-point), measurement settings like temperature and salinity correction, data storage, maintenance of the electrode, and technical specifications including algorithms for oxygen concentration calculation. This manual is written in Chinese.
| Protection Rating | IP67 |
|---|---|
| Measurable Parameters | pH, Conductivity, Dissolved Oxygen |
| Operating Temperature Range | -0 °C to +40 °C |
Do not open the instrument casing as it contains no user-serviceable parts. Wear protective clothing, goggles, and gloves when handling hazardous or toxic substances.
The instrument is suitable for indoor and outdoor use but cannot be used in explosive or flammable environments.