Care and Maintenance Auto-off Battery Replacement INSTRUCTION MANUAL To obtain the highest accuracy for measurements it is important to follow these tips: • Calibration is only as good as the buffer being used. The pH buffer values change over time once the sachets are opened. Fresh buffer should be used for each calibration. • The probe should be rinsed with purified water each time before placing in buffer or sample to be tested. • When the meter is not in use it is important to add several drops of storage solution to the protective cap to keep the probe hydrated. If storage solution is not available, pH 4 or pH 7 buffer can be used. • For improved accuracy it is recommended to calibrate to a minimum of two points. It is important to use buffers that bracket the expected value of the sample to be tested. For example, if the expected value is pH 8, the meter should be calibrated using pH 7 and pH 10 buffers. • It is important to calibrate and measure samples at the same temperature. A dramatic change in temperature between buffer solutions and samples to be tested will give inaccurate readings. From measurement mode, press and hold the ON/OFF button. The meter will cycle through "OF F," "CAL," then current auto-offsetting. The default setting is 8 minutes ("d08"). Press ON/ OFF button to change. "d60" is auto-off after 60 minutes, and "d--" disables the auto-off feature. Press and hold the button to exit the menu. Clear Calibration G/toGm HI98115 pH Tester HMSINK Warranty The meter is warranted for a period of one year against defects in workmanship and materials when used for their intended purpose and maintained according to instructions. The electrode is warranted for a period of six months. This warranty is limited to repair or replacement free of charge. Damage due to accidents, misuse, tampering or lack of prescribed maintenance is not covered. If service is required, contact your local Hanna office. If under warranty, report the model number, date of purchase, serial number and the nature of the problem. If the repair is not covered by the warranty, you will be notified of the charges incurred. If the instrument is to be returned to Hanna Instruments, first obtain a Returned Goods Authorization (RGA) number from the Technical Service department and then send it with shipping costs prepaid. When shipping any instrument, make sure it is properly packaged for complete protection. Place meter in calibration mode. Press and hold ON/OFF until "CLr" is displayed. The meter will now be at default calibration. No tags will be shown in measurement mode until calibration is performed. "Err" Message To change the CR2032 Li-ion battery, turn the battery cover located on the back of the meter counterclockwise to unlock. Remove cover and replace with + side facing up. Note: Batteries should only be replaced in a safe area using the battery type specified in this instruction manual. Old batteries should be disposed in accordance with local regulations. Accessories Electrode Code Description Recommendations for Users In calibration mode, if the meter displays an "Err" message when in the correct fresh buffer solution then the probe should be cleaned. Place the probe in the HI700601 cleaning solution for 15 minutes. Rinse with purified water and place in storage solution for 1 hour before calibrating. If the "Err" message persists then the HI1271 probe should be replaced. Code Description HI70004P pH 4.01 buffer solution, 20 mL sachets (25) HI70007P pH 7.01 buffer solution, 20 mL sachets (25) HI70010P pH 10.01 buffer solution, 20 mL sachets (25) pH 4.01 & 7.01 buffer solution, 20 mL sachets (10 pcs., 5 ea.) pH 10.01 & 7.01 buffer solution, 20 mL sachets (10 pcs., 5 ea.) Before using Hanna products, make sure that they are entirely suitable for your specific application and for the environment in which they are used. Operation of these instruments may cause unacceptable interferences to other electronic equipment, thus requiring the operator to take all necessary steps to correct such interferences. Any variation introduced by the user to the supplied equipment may degrade the instrument's EMC performance. To avoid damages or burns, do not put the instrument in microwave oven. For yours and the instrument safety do not use or store the instrument in hazardous environments. Battery Indicator All rights are reserved. Reproduction in whole or in part is prohibited without the written consent of the copyright owner, Hanna Instruments Inc., Woonsocket, Rhode Island, 02895, USA. ISTHI98115 1.0 06/16 The HI98115 features a low battery indicator. When the battery is running low, the tag will blink on screen. When the battery has been depleted, "Erb" will appear on screen and the meter will turn off. Electrode Cleaning Solution Code Description HI700661P general purpose cleaning solution for agriculture, 20 mL sachets (25) Electrode Storage Solution Code Description HI70300L electrode storage solution, 500 mL bottle HI70300M electrode storage solution, 230 mL bottle

Thank you for choosing a Hanna Instruments product. Please read this instruction manual carefully before using the instrument. For more information about Hanna and our products, visit www.hannainst.com or e-mail us at [email protected]. For technical support, contact your local Hanna office or email us at [email protected] Meter Calibration From measurement mode, press and hold the ON/OFF button until “CAL” is displayed. Meter Overview Preparation: The pH electrode is shipped dry. Before using the HI98115, remove the protective cap and condition the electrode by soaking the tip (bottom 4 cm...