EXTECH INSTRUMENTS PH50/PH60 pH Waterproof Meter user manual
Contents
1. button l o Optional Accessories i on the display in two seconds Note If the solution is more than 1pH off from the o 5 Electrode 4 7 or 100H dard th ill Jabiri thetcaibiei e Tripak buffers pouches 6 each of 4 7 amp 10 pH plus two rinsing solutions 7 or LOPH standard the meter will assume an error and abort the calibration Part Number PH103 6 CAL button EN will be displayed for one second and then the meter will return to normal Tripac buffer capsules 10 each of 4 7 and 10 pH Part Number 650470 7 Electrode cap with sponge operation N 3 Ifthe calibration buffer is another value other than 4 7 or 10 such as 4 1 press pH 4 01 buffer pint Part Number PH4 P Ai eae the HLD A button to adjust the value to the correct reading The adjustable l f i i H 7 00 buffer pint Part Number PH7 P range for 4pH is from 3 5 to 4 5 for 7pH is from 6 5 to 7 5 For 10pH is from 9 5 to P pint 10 5 e OH 10 00 buffer pint Part Number PH10 P 4 When calibration is complete the meter automatically saves the value displays Overview SA and returns to normal operation mode after displaying EN pH Overview 5 For a two or three point calibration repeat steps 1 4 Warranty 6 Note Always turn the meter off and then on before calibrating to allow sufficient time to complete the calibrations during one power cycle EXTECH INSTRUMENTS CORPORATION warrants this instrument to be free of defects in pa2. Specifications PHED PH60 pH Measurements Operation User Guide INSTRUMENTS 1 Remove the protective cap and the electrode cap Single LCD pH Waterproof Meter 2 Insert the eletde into the sample 2010 120 Models PH50 amp PH60 3 Press the PWR key to turn the meter on and slowly stir until the reading settles PH resolution accuracy 0 1pH 0 3pH 0 1pH 0 2pH Temperature Range FS 32 to 122 F 0 to 50 C The decimal point will blink while the meter is measuring Description Temperature resolution accuracy CO S 0 50 1 8 F 1 C pH Calibration 1 2 or 3 points A two point calibration with a buffer of 7 plus 4 or 10 whichever is nearest to the expected sample value is always recommended A one point calibration choose the value closest to the expected sample value is also valid For best accuracy always calibrate at the sample temperature Automatic Temperature Yes Compensation Meets IP67 Waterproof Four 4 LRA button batteries Front Panel Controls 1 Battery compartment cap a eee p vee ene 1 Place the electrode into a buffer solution 4 7 or 10 and momentarily press the pH only for PH50 Auto power off After 20 minutes of inactivity A HOLD A Hiio CAL key Note pH 7 should be calibrated first then 4 and or 10 pH Dimens 6x1 5x0 9 152x37x24mm 2 30z 659 2 If meter successfully recognizes the solution CAL and the pH value will appear 4 PWR On Off
3. ecifications subject to change without notice For the latest version of this User s Guide Software updates and other Up to the minute product information visit our website www extech com With the meter OFF press and hold the PWR and CAL buttons until F or C appears in the display Press the HLD A button to toggle between them Select the preferred unit and then press CAL to save SA will appear in the display for one second and then return to normal operation Data Hold Momentarily press the HLD A button to freeze the current reading The HOLD display icon will appear along with the held reading Momentarily press the HLD A key to return to normal operation Auto Power Off Disable The meter will shut off after 20 minutes to save battery life if no buttons are pressed To disable this feature with the meter off press and hold the PWR and HLD A buttons simultaneously until an n appears for 1 second on the display Release the buttons Note Turning the meter off will reactivate the Auto Power Off feature Battery Replacement 1 Remove the two screws from the battery compartment cap 2 Replace the four 4 LR44 batteries observing polarity 3 Replace the battery compartment cap and secure with the screws return the instrument for service during or beyond the warranty period contact the Customer Service Department at 781 890 7440 ext 210 for authorization or visit our website at www extech com click on C
4. ontact Extech and go to Service Department to request an RA number A Return Authorization RA number must be issued before any product is returned to Extech The sender is responsible for shipping charges freight insurance and proper packaging to prevent damage in transit This warranty does not apply to defects resulting from action of the user such as misuse improper wiring operation outside of specification improper maintenance or repair or unauthorized modification Extech specifically disclaims any implied warranties or merchantability or fitness for a specific purpose and will not be liable for any direct indirect incidental or consequential damages Extech s total liability is limited to repair or replacement of the product The warranty set forth above is inclusive and no other warranty whether written or oral is expressed or implied Copyright 2005 Extech Instruments Corporation All rights reserved including the right of reproduction in whole or in part in any form V1 0 9 05
5. rts and workmanship for one year from date of shipment a six month limited warranty applies on sensors and cables If it should become necessary to pH is a unit of measure ranging from 0 to 14pH indicating the degree of acidity or alkalinity of a solution pH tests are the most commonly performed measurements in ae De man Changing the Displayed Temperature Units Model PH60 only water analysis and reports the hydrogen ion activity of a solution which is an indicator of acidity or alkalinity Solutions with a pH less than 7 are considered acidic solutions with a pH higher than 7 are known as bases and solutions with a pH of near 7 are neutral Getting Started e Before first use or after extended storage soak the electrode with its cap removed in a pH 4 solution for at least 30 minutes e White KCL crystals may be present in the cap These crystals will dissolve in the soak or they can be simply rinsed with tap water e Always calibrate close to the expected measurement value e Asponge is located in the electrode protective cap Keep this sponge soaked with a pH 4 solution to preserve Electrode life during storage e Unless directed otherwise a daily two point calibration is recommended to maintain accuracy and to verify the condition of the meter and electrode Support line 781 890 7440 Technical support Extension 200 E mail support extech com Repair amp Returns Extension 210 E mail repair extech com Product sp
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EXTECH INSTRUMENTS PH50/PH60 pH Waterproof Meter user manual