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Professional

Plus

Calibration Tips

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Summary of Contents for Professional Plus

Page 1: ...Professional Plus Calibration Tips...

Page 2: ...on Tips 15 Troubleshooting Tips 16 Nitrate 18 Calibration Tips 18 TroubleShooting Tips 19 Chloride 21 Calibration Tips 21 Troubleshooting Tips 22 Installing and Uninstalling Sensors 24 General Precaut...

Page 3: ...detailed information on calibration and information on how to setup and operate a Pro Plus please refer to the Pro Plus User Manual Calibration Worksheet The Calibration Worksheet on the following pa...

Page 4: ...80 from 7 buffer mV value NOTE See pH Cal tips section for additional information Span between pH 4 and 7 and 7 and 10 mV values should be 165 to 180 mV 177 is the ideal distance or 59 mV per pH unit...

Page 5: ...rush to clean the sensor Quatro Cables Quatro cables have a replaceable combination conductivity temperature sensor p n 005560 All other Pro Plus cables have integral temperature sensors If using a Qu...

Page 6: ...fferent cable the conductivity sensor is integral to the cable and the sensor has two vent holes located close to the cable Ensure the entire conductivity sensor is submerged in the solution or the in...

Page 7: ...bathroom foaming tile cleaner with the brush Rinse thoroughly with clean water then check the response and accuracy of the conductivity sensor with calibration solution Quatro Cables Quatro cables hav...

Page 8: ...uts for each buffer are shown below pH 7 mV value 0 mV 50 mV pH 4 mV value 165 to 180 from 7 buffer mV value pH 10 mV value 165 to 180 from 7 buffer mV value A value of 50 or 50 mVs in buffer 7 does n...

Page 9: ...to get error messages during calibration clean and recondition the sensor Cleaning and Reconditioning the pH ORP or pH ORP Sensor If the pH or pH ORP sensor has been allowed to dry out or has been sto...

Page 10: ...m of acid after its disposal and before the disposal of chlorine bleach 1 Soak the sensor for approximately 1 hour in a 1 1 dilution of commercially available chlorine bleach 2 Rinse the sensor with c...

Page 11: ...erroneous Typical causes for this error message include incorrect Sensor Port setup in the instrument a dirty sensor or bad calibration solution TROUBLESHOOTING TIPS Typical working life for ORP sens...

Page 12: ...suspect port contamination follow the instructions in the Cleaning a Sensor Port section before reinstalling the sensor 8 If you continue to have problems you can check the offset of the ORP sensor b...

Page 13: ...not water and that there are not any water droplets on the membrane or temperature sensor 5 After entering the calibration mode wait approximately 5 to 15 minutes for the storage container to become c...

Page 14: ...is in a blue labeled bottle NaCl 5 Recondition the DO sensor and then install a new membrane 6 If you suspect port contamination remove the sensor and follow the instructions in the Cleaning a Sensor...

Page 15: ...r deionized water The anode should then be thoroughly wiped with a wet paper towel to remove the residual layer from the anode Trapping residual ammonia under the new membrane cap can quickly tarnish...

Page 16: ...oxygen even when the Pro Plus is turned off This factor allows the sensor to be used with no warm up time as soon as the instrument is powered on However because the sensor is on all the time some sol...

Page 17: ...on This may take several hours 4 The ammonium sensor can be calibrated with up to three calibration points For highest accuracy perform a two point calibration with 1 and 100 mg L standards within 10...

Page 18: ...istilled or deionized water to the flask swirl to dissolve all of the reagents and then dilute to the volumetric mark with distilled or deionized water Mix well by repeated inversion and then transfer...

Page 19: ...night 6 If you suspect port contamination follow the instructions in the Cleaning a Sensor Port section 7 If you continue to have trouble calibrating the ammonium sensor contact your local YSI Represe...

Page 20: ...nsor tip and the temperature sensor are submerged in solution If using a Quatro cable or 6051030 cable ensure that the conductivity sensor is also submerged in the calibration solution The salinity re...

Page 21: ...fate to the flask Add approximately 500 mL of distilled or deionized water swirl to dissolve the solid reagents and then dilute to the volumetric mark with water Mix well by repeated inversion and the...

Page 22: ...enter Cleaning and Reconditioning the Nitrate Sensor The nitrate sensor uses a PVC membrane As always when handling a sensor care should be taken to avoid damaging the membrane After extensive use the...

Page 23: ...at the chloride sensor tip and the temperature sensor are submerged in solution If using a Quatro cable or 6051030 cable ensure that the conductivity sensor is also submerged in the calibration soluti...

Page 24: ...is approximately 3 6 months depending on use storage and maintenance Proper storage and maintenance generally extends the sensor s working life If you get error messages during a chloride calibration...

Page 25: ...ane This sensor can be regenerated by washing with alcohol and or gently polishing with fine emery paper in a circular motion to remove any deposits or discoloration then thoroughly washing with deion...

Page 26: ...grease is present remove it using a lens cloth or lint free cloth To remove the o rings Use a small flat bladed screwdriver or similar blunt tipped tool to remove the o ring from its groove Do not use...

Page 27: ...es in the stainless steel retaining nut Next use the installation tool to turn the stainless steel retaining nut counter clockwise to loosen Do not allow the sensor to be turned with the tool Turning...

Page 28: ...the Pro Plus display to the value of the solution If the readings have drifted more than the accuracy specification of the sensor perform a calibration before taking field measurements YSI Confidence...

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