LLG LLG-pH Pen 6.263 690 User Manual

1
OPERATION MANUAL
LONG TUBE
LLG-pH Pen
L ABWARE
®
Model: 6.263 690

LLG LLG-pH Pen 6.263 690 Specifications

General

Brand	LLG
Model	LLG-pH Pen 6.263 690
Category	Measuring Instruments
Language	English

Summary

Introduction

Material Supplied

This package contains the pH-meter, batteries, and operation manual.

Power Supply

The meter is powered by 2x CR2032 batteries. Check battery status indicators.

LCD Display

Keypad Overview

Details the functions of the HOLD and CAL buttons on the pH meter keypad.

Operation Steps

Instructions for preparing the pH-meter, including removing it from storage.

Auto Power Off Function

Temperature Compensation and Unit Setting

Temperature Unit Selection

Guide on how to switch between Celsius (°C) and Fahrenheit (°F) temperature units.

Calibration Mode

Calibration Procedure

Step-by-step guide for calibrating the pH meter using buffer solutions.

Maintenance

Electrode Care and Storage

Essential tips for keeping the pH electrode clean, wet, and properly stored.

Troubleshooting

Display and Error Indicators

Explains common LCD displays, including no display, ---, H, and L error states.

Performance Issues

Troubleshooting tips for slow response times and fluctuating pH readings.

Specifications

Warranty Information

Return Authorization Process

Procedure for obtaining authorization before returning the meter for service.