Hanna Instruments HI981400 User's Manual
Contents
1. setpoint the alarm LED blinks to warn the user CALIBRATION For better accuracy frequent calibration of the instrument is recommended In addition the instrument must be recali brated whenever a The pH electrode is replaced b After testing aggressive samples Where higher accuracy is required d At least once a month e When the electrode has been used for a long time PREPARATION Pour small quantities of pH 7 0 HI 7007 and pH 4 0 HI 7004 solutions into two clean beakers For accurate calibration use two beakers for each buffer solution the first one for rinsing the tip of the electrode and the second one for calibration RINSE CALIBRATION Il il HI 7007 HI 7007 L A complete range of Hanna butfer solutions in single use sachets is available for a more hygienic calibration CALIBRATION PROCEDURE e Turn the meter on and make sure that the MEASURE SET switch is on the MEASURE mode e Remove the protective cap from the electrode rinse and im merse it in pH 7 0 buffer solution e Stir gently and wait a couple of minutes for the reading to stabilize Note The electrode should be submerged approximately 7 4 cm 1 in the solu tes tion e With the supplied calibration screwdriver adjust the oH 7 trimmer until the dispaly shows pH 7 0 e Rinse and immerse the electrode in pH 4 0 or pH 10 solution second calibration point and stir gently e Wait a couple of min2. store it with a few drops of storage HI 70300 solution in the protective cap NEVER USE DISTILLED OR DEIONIZED WATER FOR STOR AGE PURPOSES e f the electrode has been left dry soak the tip in a storage HI 70300 or pH 7 HI 7007 solution for at least one hour to reactivate it e To minimize clogging and provide longer life for the pH electrode it is recommended to clean it monthly Immerse the tip of the electrode in the HI 7061 solution for half an hour then rinse it with tap water TAKING pH MEASUREMENTS e Turn the meter on by connecting the 12 Vdc power adapter to the meter and the mains e Connect a pH electrode to the indicator e Remove the protective cap from the pH electrode and immerse the tip 4 cm 1 in the sample e Allow the reading to stabilize ADJUSTING THE SETPOINT You can select the setpoint value in the 4 6 to 7 5 pH range A visual indication red LED will alert you when the measured pH exceeds the set value e To access the MEASURE SET switch and the setpoint adjustment trimmer remove the rear panel Move the switch upwards to visualize the setpoint With a small screwdriver adjust the setpoint trimmer DN to display the desired value AAL The setpoint is factory set at N 5 5 pH o Move the switch back downwards to return to the measurement mode Close the meter while making sure the gasket is in place before tightening the screws Whenever the pH reading exceeds
3. Instruction Manual HI981400 pH Indicator with Alarm Signal for HACCP Control 7 i N FOOD STABILITY pH INDICATOR PHO 5 8 EAN instruments www hannainst com WARRANTY The HI 981400 pH Indicator is warranted for two years against defects in workmanship and materials when used for their intended purpose and maintained according to instructions This warranty is lim ited fo repair or replacement free of charge Damages due to accident misuse tampering or lack of prescribed maintenance are not covered If service is required contact the dealer from whom you purchased the instrument If under warranty report the model number date of pur chase serial number and the nature of the failure If the repair is not covered by the warranty you will be notified of the charges incurred If he instrument is to be returned to Hanna Instruments first obtain a Returned Goods Authorization Number from the Customer Service de partment and then send it with shipment costs prepaid When shipping any instrument make sure it is properly packaged for complete protection All rights are reserved Reproduction in whole or in part is prohibited without the written consent of the copyright owner Hanna Instruments reserves the ight to modify the design construction and appearance of its products without advance notice Dear Customer Thank you for choosing a Hanna product Please read carefu
4. an b easily hanged right above the sample for continuous monitoring The meter can be calibrated at one or two points You no longer need to worry about battery changes because the unit runs without interruption on 12 Vdc power supply FUNCTIONAL DESCRIPTION T Any pH electrode ending in a BNC connector can be attached tothe meter 8 Molded eye Alarm LED pH 4 calibration trimmer BNC connector for pH electrode Liquid Crystal Display pH 7 calibration trimmer Power supply connector 12 Vdc power adapter included COMO Mm A N SPECIFICATIONS Range 0 0 to 14 0 pH Resolution 0 1 pH Accuracy 25 C 77 F 0 2 pH Typical EMC Deviation 0 2 pH Setpoint 4 6 to 7 5 pH Alarm LED blinks when measurement exceeds the setpoint value Calibration Manual 1 or 2 point with offset pH 7 and slope pH 4 trimmers Power Supply 12 Vdc adapter included Dimensions 86 x 110 x 43 mm 3 4 x 4 3 x 1 7 Weight 150 g 5 3 oz OPERATIONAL GUIDE pH ELECTRODE e Any combination pH electrode provided with a BNC connector can be attached to the controller See our General Catalog for a complete range of Hanna pH electrodes e Do not be alarmed if white crystals appear around the electrode protective cap This is normal with pH elec trodes and they dissolve when rinsed with water e When not in use rinse the electrode with water and
5. e storage solution 230 mL bottle HI 7061M Electrode cleaning solution 230 mL bottle HI 710005 12 Vdc power adapter US plug HI 710006 12 Vdc power adapter European plug IST981400R3 05 05
6. lly this manual before using the meter If you need additional technical information do not hesitate to e mail us at tech hannainst com This instrument is in compliance with the C directives PRELIMINARY EXAMINATION Remove the instrument from the packing material and examine it carefully If any damage has occurred during shipment immediately notify your Dealer or the nearest Hanna Customer Service Center The meter is supplied with e Calibration screwdriver e pH 4 01 and 7 01 buffer solutions 20 mL each e 12 Vdc power adapter and instructions Note Conserve all packing material until the instrument has been observed to function correctly Any defective item must be returned in its original packing GENERAL DESCRIPTION HI 981400 is a pH indicator specially designed for pH control in foodstuffs The pH value is one of the most important indicators of food quality and safety pH of raw ingredients such as milk and meat is measured to ensure the quality standards of products pH is also monitored at different stages of food processing to guarantee safety and enhance quality HI 981400 is also provided with a flashing LED that indicates if the measured pH exceeds the selected limit Hanna Instruments offers several pH electrodes specially designed for the food industry such as the FC 200B with open junction and the FC 230B with stainless steel blade for direct meat measurement Thanks to the built in hook the meter c
7. utes then adjust the pH 4 trimmer until the display shows the pH 4 0 or pH 10 0 HACCP The pH calibration is now complete 4 0 Recommendations for Users Before using this product make sure that it is entirely suitable for the environment in which it is used Operation of this instrument in residential areas could cause unacceptable interference to radio and TV equipment The glass bulb at the end of the electrode is sensitive to electrostatic discharge Avoid touching this glass bulb at all times During operation ESD wrist straps should be worn to avoid possible damage to the electrode by electrostatic discharge Any variation introduced by the user to the supplied equipment may degrade the instrument s EMC performance To avoid electrical shock do not use this instrument when voltage at the measurement surface exceeds 24 Vac or 60 Vdc To avoid damage or burns do not perform any measurement in microwave ovens HANNA es www hannainst com FC200B Conic open junction pH electrode FC 230B pH electrode with optional blade FC 098 Stainless steel blade 20 mm 0 8 FC 099 Stainless steel blade 35 mm 1 4 HI 70004P pH 4 01 solution 20 mL sachet 25 pcs HI 70007P pH 7 01 solution 20 mL sachet 25 pcs HI 70010P pH 10 01 solution 20 mL sachet 25 pcs HI 7004M pH 4 01 solution 230 mL bottle HI 7007M pH 7 01 solution 230 mL bottle HI 7007M pH 7 01 solution 230 mL bottle HI 70300M Electrod
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