Mettler Toledo M300 Series pH Transmitter Operating Manual

Operating manual for the Mettler Toledo M300 Series pH transmitter, covering installation, configuration, calibration, and maintenance.

Brand: METTLER-TOLEDO
Category: Industrial Supply
Document type: User Manual
Language: Chinese
Pages: 79
File format: PDF
File size: 1.2 MB
Updated: 24 October, 2026
Model: M300 Series
MD5 checksum: FB9AC88F3E86F43C7877970D372320CF
PDF: Mettler Toledo M300 Series pH Transmitter Operating Manual PDF

About this manual

The Mettler Toledo M300 Series pH Transmitter is a single-channel online process control instrument designed to measure the pH value of fluids. It features a large, backlit four-line LCD display capable of showing both numerical and character data simultaneously. The device supports various Mettler Toledo sensors and connection cables, offering flexible configuration for different applications. This manual is written in Chinese.

What's inside

Introduction
Safety Guidelines
Appearance
Installation Instructions
Power Connection
Sensor Connection
Put into Use / Stop Use
Quick Setup
Calibration
Configuration

Specifications

Power Supply	DC 20-30V or AC 100-240V
Protection Level	NEMA 4X/IP65
Display	Four-line LCD with backlight
Outputs	Two analog outputs and four relay contacts
Interface	USB communication interface

Frequently asked questions

What is the power supply requirement for the M300 transmitter?

The transmitter works with DC 20-30V or AC 100-240V power supply.

What protection level does the 1/4 DIN housing provide?

The 1/4 DIN housing provides NEMA 4X/IP65 protection level.

Can the M300 display both numbers and characters?

Yes, it has a display capable of showing both numerical and character data simultaneously.

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