Checker® - Farnell
Contents
1. If the repair is not covered by the warranty you will be noti fied of the charges incurred If the instrument is to be returned to Hanna Instruments first obtain a Returned Goods Authorization Number from the Customer Ser vice department and then send it with shipment costs prepaid When shipping any instrument make sure it is properly packaged for complete protection SPECIFICATIONS Range 0 00 to 14 00 pH Resolution 0 01 pH Accuracy 20 C 0 2 pH Calibration Manual 2 points Electrode HI 1270 included 0 to 50 C 32 to 122 F RH 95 max Environment Battery type 2x1 5V alkaline Battery life approx 3000 hours of continuous use Dimensions 66x50x25 mm 2 6x2 2x1 meter only Weight 50 g 1 8 oz ACCESSORIES HI 1270 Replaceable pH electrode with screw type connector HI 70004P pH 4 01 buffer sachet 20 ml 25 pcs HI 70007P pH 7 01 buffer sachet 20 ml 25 pcs HI 70010P pH 10 01 buffer sachet 20 ml 25 pcs HI 70300M Storage solution 230 ml bottle HI 7061M Cleaning solution 230 ml bottle 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 interference to radio and TV equipment The glass bulb at the end of the pH electrode is sensitive to electrostatic discharges Avoid touching this glass bulb at all times Any variation introduced by the user to the supp2. Checher HI 98103 pH tester with replaceable electrode WU leone www hannainst com Dear Customer Thank you for choosing a Hanna product Read carefully this instruction manual before using the instrument 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 mate rial and examine it carefully to make sure that no damage has occurred during shipment If there is any damage immediately notify your Dealer The meter is supplied complete with HI 1270 pH electrode 2 x 1 5V alkaline batteries e instructions Note Conserve all packing material until the instrument has been observed to func tion correctly Any defective item must be returned in its original packing WARRANTY This meter is guaranteed for one year against de fects in workmanship and materials when used for its intended purpose and maintained according to instruc tions The electrode is guaranteed for a period of six months This warranty is limited to repair or re placement 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
3. ctrode E with water and store it with J ee a few drops of HI70300 ve Storage solution in the pro i tective cap DO NOT USE DISTILLED OR DEIONIZED WA TER FOR STORAGE PURPOSES Always replace the protective cap after use BATTERY REPLACEMENT Replace the batteries when the display fades or the meter cannot be switched on Remove the battery cover on the back of w the meter Insert 2 new cule BATTERIES TOP g PHT prano D OFF T ON k p a00 A vt BATTERIES 1 5V batteries while paying attention to their PA polarity COVER Batteries should only be replaced in a safe area using the battery type specified in this instruction manual CALIBRATION e For best results calibrate frequently Dip the tip of the electrode bottom 4 cm Lh in pH 7 01 buffer solution at room tem perature Allow the reading to stabilize e Use a small screwdriver to adjust the pH7 trimmer until the display reads pH 7 01 e Rinse the electrode with water and dip it in pH 4 01 or pH 10 01 buffer solution Allow the reading to stabilize e With a small screwdriver adjust the pH4 10 trimmer until the display reads pH 4 01 or pH 10 01 ANANIN Calibration is now complete ALWAYS CALIBRATE USING FRESH BUFF ER SOLUTIONS
4. lied equipment may degrade the instrument s EMC performance To avoid electrical shocks 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 Checher is a registered Trademark of Hanna Instruments 1ST98103 12 04 FRONT __ ON OFF SWITCH LIQUID CRYSTAL DISPLAY Checker by HANNA SCREW TYPE CONNECTOR MAXIMUM IMMERSION LEVEL HI 1270 pH ELECTRODE GLASS BULB PROTECTIVE CAP INITIAL PREPARATION The pH electrode is shipped dry Before using the Checker remove the protective cap and condition the electrode by soaking the tip bot tom 4 cm 1 in pH 7 01 buffer solution for a couple of hours Then follow the calibration procedure OPERATION Do not be alarmed if white crystals appear around the cap This is normal with pH elec trodes and they dissolve when rinsed with water Connect the electrode to the meter Checker by HANNA Cc Turn the Checker on by sliding the switch on the top REAR Io ja BATTERY i Remove the protective cap and immerse the tip of the electrode bottom 4cm 1 in the sample to be tested Stir gently and wait for stable reading NEVER IMMERSE THE ELECTRODE OVER THE MAXIMUM IMMERSION LEVEL THE CONNECTOR MUST BE ALWAYS CLEAN AND DRY After use rinse the ele
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