OHAUS STARTER300 Portable pH Meter User Manual

About this manual

The OHAUS STARTER300 is a high-quality portable pH meter designed for use in universities, research institutes, industrial enterprises, and government testing agencies. It features an ergonomic design with built-in desktop feet, a label area for asset management, and IP54 protection against water and dust. This manual is written in Chinese.

What's inside

• Safety Precautions
• Display and Keys
• Installation
• Operation (Calibration)
• Sample Measurement
• Temperature Measurement
• Settings
• Maintenance

Frequently asked questions

What standard buffer solutions are automatically recognized by the STARTER 300 for calibration?

The instrument automatically recognizes pH values of 1.68, 4.00, 6.86, 9.18, and 12.46 at 25°C.

What is the theoretical slope value used if an electrode has not undergone multi-point calibration?

The instrument adopts a theoretical slope of -59.16 mV per pH unit.

How long does the zero point and slope display remain visible after calibration is completed?

The zero point and slope are displayed on the screen for 3 seconds.