Hanna Instruments HI 98240 Instruction Manual

Contents

Hanna Instruments HI 98240 Instruction Manual Manual pdf 2 page image

32Remove the instrument from the packing material and examine itcarefully to make sure that no damage has occurred during shipping.If there is any damage, notify your dealer.Each meter is supplied in a rugged carrying case complete with:• HI 1618D smart pH electrode with built-in temperaturesensor, DIN connector and 1 m (3.3') cable• pH 4.01 & pH 7.01 buffer sachets (20 mL each)• Electrode cleaning solution• 5 paper rolls• Batteries (4 x 1.5V AA) and 12 Vdc power adapter• Instruction manualNote: Save all packing material until you are sure that theinstrument functions correctly. All defective items must bereturned in their original packaging together with the sup-plied accessories.HI 98230 and HI 98240 are portable printing and logging micropro-cessor-based pH/temperature meters. In addition, HI 98240 providesORP measurements.Both models are supplied with an exclusive HANNA (smart) amplifiedpH/temperature electrode with DIN connector. The electrode has aninternal memory for storing calibration data.All pH measurements are automatically compensated for temperature(ATC). The instrument housing is made of rugged, lightweight material,making it truly portable.Five memorized buffers (pH 4.01, 6.86, 7.01, 9.18 and 10.01) andwrong buffer recognition technology, make calibration simple and errorfree. One or two point procedure can be performed.The meters are also equipped with a stability indicator and backlightfeature for comfortable reading even in dark environments.The GLP features provide a guarantee of data consistency.Measurements can be performed with lab-grade precision in the field aswell as in the laboratory.An alarm time-out is available to alert the user if too much time haselapsed since the last pH calibration .PRELIMINARY EXAMINATIONGENERAL DESCRIPTIONDear Customer,Thank you for choosing a Hanna Instruments Product.Please read this instruction manual carefully before using the instru-ment.This manual will provide you with all the necessary information for thecorrect use of the instruments.If you need additional technical information, do not hesitate to e-mailus at tech@hannainst.com.These instruments are in compliance with the directives.PRELIMINARY EXAMINATION ..................................................................... 3GENERAL DESCRIPTION ........................................................................... 3FUNCTIONAL DESCRIPTION ....................................................................... 5SPECIFICATIONS .................................................................................. 6INITIAL PREPARATION .............................................................................. 7SETUP MODE .................................................................................. 8TAKING pH MEASUREMENTS ................................................................. 15TAKING ORP MEASUREMENTS ............................................................... 16TAKING TEMPERATURE MEASUREMENTS ................................................ 16pH CALIBRATION PROCEDURE ............................................................... 17mV CALIBRATION PROCEDURE .............................................................. 20TEMPERATURE CALIBRATION PROCEDURE .............................................. 21PRINTING / LOGGING FUNCTION ........................................................... 22OTHER FEATURES ............................................................................... 24GOOD LABORATORY PRACTICE (GLP) ..................................................... 25FAULT CONDITIONS .............................................................................. 26DATA TRANSFER TO PC ......................................................................... 27MEMORY ORGANIZATION ...................................................................... 28PRINTER MAINTENANCE ....................................................................... 29BATTERY REPLACEMENT ....................................................................... 30TEMPERATURE-RESISTANCE CORRELATIONFOR HANNA PH SENSITIVE GLASS .......................................................... 31ELECTRODE CONDITIONING AND MAINTENANCE ...................................... 32ACCESSORIES ...................................................................................... 35OTHER PRODUCTS FROM HANNA ........................................................... 37WARRANTY ......................................................................................... 38CE DECLARATION OF CONFORMITY ........................................................ 39TABLE OF CONTENTS