Extech Instruments RF20 User Manual

Portable salinity refractometer with atc

User's Guide

Portable Salinity Refractometer with ATC

Model RF20

Introduction

Congratulations on your purchase of the Extech RF20 Handheld Salinity Refractometer

with Automatic Temperature Compensation. This precision optical instrument should be

handled gently; avoid touching the optical surface. Careful use of this instrument will

provide years of reliable service.

Table of Contents

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Page 1 Portable Salinity Refractometer with ATC Model RF20 Introduction Congratulations on your purchase of the Extech RF20 Handheld Salinity Refractometer with Automatic Temperature Compensation. This precision optical instrument should be handled gently; avoid touching the optical surface. Careful use of this instrument will...
Page 2: Specifications
Warranty EXTECH INSTRUMENTS CORPORATION warrants this instrument to be free of defects in parts and workmanship for one year from date of shipment (a six month limited warranty applies on sensors and cables). If it should become necessary to return the instrument for service during or beyond the warranty period, contact the Customer Service Department at (781) 890-7440 ext.
Page 3 When ambient temperature varies from 68°F (20°C), readings are automatically adjusted to compensate for temperature variance between 50°F to 86°F (10°C to 30°C). RF20 Version 1.1 September 2003...
Page 4 Tech support: Ext. 200; Email: support@extech.com Repair/Returns: Ext. 210; Email: repair@extech.com Website: www.extech.com Copyright © 2003 Extech Instruments Corporation. All rights reserved including the right of repr oduction in whole or in part in any form. more infor for Extech RF20 Phone: 01235 838 555 Email: cs@airconcern.co.uk...