Operating Instructions EcoTestr pH 1 Waterproof Pocket Tester
Contents
1. mode Press the on off button to shut tester off Note Tester automatically shuts off after 8 5 minutes of non use to conserve batteries Maintenance Rinse the sensor in tap water after use In harsh samples take readings quickly then rinse sensor immediately afterwards with de ionized water to remove residues and prevent electrode contamination Useful Notes Jo avoid cross contamination rinse sensor between samples and buffer with de ionized water To maintain tester accuracy use tester regularly or calibrate at regular intervals as required For long term storage fill the cap with 20 mm of storage solution NOT de ionized water and replace cap This will keep the sensor conditioned and ready for next use The tester cap is not leak proof Please keep tester upright during soaking Battery p Lift and push up Figure 1 Removing battery cover to change batteries Step 1 Lift and hold Changing Batteries To remove batteries lift up front battery cover and hold in position before lifting two sides of the pocket clip Figure 1 Remove old batteries and replace with fresh ones Note polarity as shown in battery compartment No re calibration is required after battery change since tester s non volatile memory function retains calibration Error Messages bAt Batteries are weak and need replacement Err Wrong or bad buffer value out of range and or the sensor is failing Use fresh buffer Or Ur Over or Und2. Operating Instructions EcoTestr pH 1 Waterproof Pocket Tester Before First Use Precipitation of the sensor electrolyte may cause white crystals to form around the cap This is normal and does not affect the tester s performance Conditioning Condition the tester before first use Remove the transparent cap and fill with tap water to a height of 20 mm Recap the tester and soak sensor for one hour This will activate the sensor and dissolve any crystals present Rinse the cap after use Calibration Select pH 7 0 buffer for general testing Select pH 4 0 for acid and oH 10 0 for basic samples Press on off button to power on Immerse sensor in 20 mm of buffer and stir gently Wait for displayed value to stabilize at or near OH 7 0 Press cal button to enter calibration sequence CAL will flash momentarily and then show a flashing default reading To complete calibration press hold ent button to confirm Ent To abort calibration press cal button to escape ESC You have successfully calibrated the instrument Note lf no button is pressed for 15 seconds tester will automatically confirm calibration pH Testing Remove cap and press on off button to turn on the tester Dip the sensor in at least 20 mm of test solution Stir once and let the reading stabilize Note the pH value Press hold ent button to hold HO the reading Annunciator will flash to indicate reading is in hold mode Press hold ent again to cancel HC the hold
3. er range signal or sensor is contaminated damaged not fully immersed Reset Option Reset option allows you to restore the calibration back to factory default settings Press on off to turn off tester Press and hold hold ent button and then switch on using the on off button The display shows a flashing rSt reset e Press hold ent button to confirm Ent reset or press the cal button to escape ESC reset option Warranty his tester is supplied with a warranty against manufacturing defects for a period of ONE year from date of purchase Accessories Eutech Oakton a Order Code Order Code Description ECBU4BT oH 4 01 buffer solution 480 ml bottle ECBU7BT oH 7 00 buffer solution 480 ml bottle ECBU10BT oH 10 01 buffer solution 480 ml bottle ECREO0S Storage solution for pH sensor 480 ml bottle ECDPCBT Protein remover solution 480 ml bottle
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