Care and Maintenance Auto-off Battery Replacement INSTRUCTION MANUAL To obtain the highest accuracy for measurements it is important to follow these tips: From measurement mode, press and hold the ON/OFF button. The meter Calibration is only as good as the buffer being used. The pH buffer values will cycle through OFF, CAL, change over time once the sachets are opened. Fresh buffer should be then current auto-off setting. used for each calibration. The default setting is 8 minutes The probe should be rinsed with purified water each time before placing in (d08). Press ON/OFF button to buffer or sample to be tested. change. d60 is auto-off after HI98103 60 minutes, and d-- disables 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 the auto-off feature. Press and pH Tester solution is not available, pH 4.01 or pH 7.01 buffer can be used. hold the button to exit the menu. 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 Clear Calibration To change the CR2032 Li-ion battery, turn the battery cover located on the sample to be tested. For example, if the expected value is pH 8, the meter back of the meter counterclockwise to unlock. Remove cover and replace should be calibrated using pH 7.01 and pH 10.01 buffers. with + side facing up. It is important to calibrate and measure samples at the same temperature. Place meter in calibration mode. A dramatic change in temperature between buffer solutions and samples Press and hold ON/OFF until CLr Note: Batteries should only be replaced in a safe area using the battery to be tested will give inaccurate readings. is displayed. The meter will now be type specified in this instruction manual. Old batteries should be at default calibration. No tags will disposed in accordance with local regulations. be shown in measurement mode Warranty until calibration is performed. Accessories The meter is warranted for a period of one year against defects in workmanship and materials when used for their intended purpose and Electrode maintained according to instructions. The electrode is warranted for a Code Description 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 HI1271 pH electrode for Checker maintenance is not covered. If service is required, contact your local Hanna Err Message Instruments Office. If under warranty, report the model number, date of pH Buffer Solution purchase, serial number and the nature of the problem. If the repair is In calibration mode, if the meter Code Description not covered by the warranty, you will be notified of the charges incurred. displays an Err message If the instrument is to be returned to Hanna Instruments, first obtain a HI70004P pH 4.01 buffer solution, 20 mL sachets (25 pcs.) when in the correct fresh buffer Returned Goods Authorization (RGA) number from the Technical Service solution then the probe should be HI70007P pH 7.01 buffer solution, 20 mL sachets (25 pcs.) department and then send it with shipping costs prepaid. When shipping cleaned. Place the probe in the HI70010P pH 10.01 buffer solution, 20 mL sachets (25 pcs.) any instrument, make sure it is properly packaged for complete protection. HI700601 cleaning solution for pH 4.01 & 7.01 buffer solution, 20 mL sachets 15 minutes. Rinse with purified HI77400P (10 pcs., 5 ea.) water and place in storage solution Recommendations for Users pH 10.01 & 7.01 buffer solution, 20 mL sachets for 1 hour before calibrating. If the HI770710P (10 pcs., 5 ea.) Err message persists then the Before using Hanna Instruments products, make sure that they are entirely HI1271 probe should be replaced. suitable for your specific application and for the environment in which Electrode Cleaning Solution they are used. Operation of these instruments may cause unacceptable interferences to other electronic equipment, thus requiring the operator Code Description Battery Indicator to take all necessary steps to correct such interferences. Any variation general purpose cleaning solution, introduced by the user to the supplied equipment may degrade the HI700601P 20 mL sachets (25 pcs.) instruments EMC performance. To avoid damages or burns, do not put the instrument in microwave oven. For yours and the instrument safety do not The Checker features a low Electrode Storage Solution use or store the instrument in hazardous environments. battery indicator. When the battery Code Description is running low, the tag will blink HI70300L electrode storage solution, 500 mL bottle on screen. When the battery has been depleted, Erb will appear on HI70300M electrode storage solution, 230 mL bottle All rights are reserved. Reproduction in whole or in part is prohibited screen and the meter will turn off. without the written consent of the copyright owner, Hanna Instruments Inc., Woonsocket, Rhode Island, 02895, USA. IST98103N 11/16Specifications Meter Calibration Thank You Range 0.0 to 14.0 pH Thank you for choosing a Hanna Instruments product. Please read For one or two-point calibration using pH 7.01 this instruction manual carefully before using the instrument. Resolution 0.1 pH buffer go to procedure A A Accuracy For more information about Hanna Instruments and our products, visit 0.2 pH ( 25 C/77 F) www.hannainst.com. For one-point calibration using pH 4.01 or pH 10.01 Calibration automatic, one or two-point buffer go to procedure B B For technical support, contact your local Hanna Instruments Office Electrode HI1271 (included) or email us at tech hannainst.com Battery Type CR2032 Li-ion From measurement mode, press When 7.01 blinks on the display, Find your local Hanna Instruments Office on www.hannainst.com Battery Life approximately 1000 hours of continuous use and hold the ON/OFF button place the tip of the probe into a until CAL is displayed. pH 4.01, 7.01, or 10.01 buffer Auto-off 8 minutes, 60 minutes or can be disabled solution. Preliminary Examination Environment 0 to 50 C (32 to 122 F) RH 95% max Remove the meter from the packing material and examine it carefully to Dimensions 50 x 174 x 21 mm (2 x 6.8 x 0.9) One or Two-Point Calibration with pH 7.01 make sure that no damage has occurred during shipment. If noticeable A Weight 50 g (1.8 oz.) damage is evident, contact your local Hanna Instruments Office. Each meter is supplied with: Operation pH 4.01 Buffer Solution Liquid Sachet (2 pcs.) pH 7.01 Buffer Solution Liquid Sachet (2 pcs.) Press the ON/OFF button to turn the meter on. All tags will be displayed. General purpose cleaning solution (2 pcs.) The meter will go into measurement Instruction manual mode: current reading and Quality Certificate calibrated buffers are displayed. Meter will exit to measurement If pH 7.01 buffer solution is used as pH 4.01 will then blink mode and the calibration Note: Save all packing material until you are sure that the instrument the first point the buffer is recognized on the display. functions correctly. All defective items must be returned in the original tag will be displayed. with the blinking stability indicator. packaging with the supplied accessories. When the reading is stable, the stability indicator will disappear Meter Overview and pH 7.01 will be calibrated. Preparation: If pH 7.01 is the only calibration point, finish one-point Liquid Crystal The pH electrode is shipped dry. Before using the Checker , remove the protective procedure at right. Display cap and condition the electrode by soaking the tip (bottom 4 cm (1.5)) in pH 7.01 buffer solution for several hours. Then follow the calibration procedure. Use pH 4.01 or pH 10.01 to If using pH 4.01 or pH 10.01 When the reading is stable, the Meter will exit to measurement ON/OFF as a second point, continue perform a two-point calibration. stability indicator will disappear. mode and the calibration Do not be alarmed if white crystals appear around the cap. This is two-point procedure at right. The value is automatically Button Sto will be displayed when tags will be displayed. normal with pH electrodes and they dissolve when rinsed with water. recognized and displayed with the calibration is saved. Connect the electrode to the meter. the blinking stability indicator. Turn the Checker on by pressing ON/OFF button. One-Point Calibration with pH 4.01 or pH 10.01 Maximum B Remove the protective cap and immerse the tip of the electrode in the Immersion sample to be tested. Level Stir gently and wait for a stable reading. NEVER IMMERSE THE ELECTRODE OVER THE MAXIMUM IMMERSION LEVEL. THE CONNECTOR MUST ALWAYS BE CLEAN AND DRY. pH Probe After use, rinse the electrode with water and store it with a few drops of HI70300 storage solution in the protective cap. Replace protective cap after each use. Recommended If pH 4.01 or pH 10.01 buffer solution When the reading is stable, Meter will exit to measurement DO NOT USE DISTILLED OR DEIONIZED WATER FOR STORAGE PURPOSES. Immersion is used as the first point the value of the stability indicator will mode and the calibration tag will Level 4 cm (1.5) the buffer is recognized and displayed disappear.Sto will be displayed be displayed. with the blinking stability indicator. when the calibration is saved. Two-Point One-Point