Topcon KR-8900 - User Manual

INSTRUCTION MANUAL
AUTO REFRACTOMETER
RM-8900
AUTO KERATO-REFRACTOMETER
KR-8900

Summary

Introduction and Precautions

Precautions for Safe Use

Essential guidelines for safe operation, installation, and environment.

Safety Displays and Icons

Safety Cautions and Warnings

Critical Warnings

Details critical safety warnings regarding electrical shock, fire, and injury.

General Cautions

Provides cautions for handling, moving, and operating the instrument safely.

Usage and Maintenance Overview

Warning Indications and Positions

Patient Injury Caution

Warning regarding potential injury to the patient during operation.

Electrical Shock Warnings

Warnings about electrical shock from opening the instrument or improper handling.

Preparations for Operation

Installation Procedure

Instructions for safely installing the instrument in its operating location.

Connecting Power Cable

Steps for safely connecting the instrument to a power source.

Basic Operations

Preparation Before Measurement

Auto Start Mode Measurement

Detailed instructions for performing measurements using the auto start function.

Manual Mode Measurement

Steps for performing measurements using the manual mode.

Individual Operations

Cornea Diameter Measurement

Troubleshooting

Error Messages During Measurement

Troubleshooting Check List

Maintenance Procedures

Daily Checkups

Topcon KR-8900 Specifications

General

Type	Auto Refractometer Keratometer
Astigmatism Axis	1° to 180°
Minimum Pupil Diameter	2.0mm
Measurement Accuracy (Refraction)	±0.25D
Display	LCD
Printer	Built-in thermal printer
Power Supply	AC 100-240V, 50/60Hz
Pupil Diameter Measurement Range	2.0mm to 9.5mm