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7+Series Version 2.0

 

 

 
 
 
 
7+ Series 

 

 
 
pH/Conductivity Portable Meter

 

 

 
 
Manual 

 

 
 

 
 

pH 7+ DHS Portable pH Meter 

 

COND 7+ Portable Cond. Meter 

 

PC 7+ DHS Portable pH/Cond. Meter 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 

Summary of Contents for COND 7 Plus

Page 1: ...1 7 Series Version 2 0 7 Series pH Conductivity Portable Meter Manual pH 7 DHS Portable pH Meter COND 7 Portable Cond Meter PC 7 DHS Portable pH Cond Meter...

Page 2: ...ion consideration Standard buffer solution 9 Three point calibration 9 Calibration Intervals 9 pH Meter Calibration 10 Customer calibration 11 example of 1 60pH and 6 50pH calibration solution 11 Meas...

Page 3: ...s between TDS and conductivity 18 Setup Menu 18 Main menu 18 Submenu 18 Submenu of pH parameter setting pH7 DHS PC DHS 20 Submenu of conductivity parameter setting COND7 PC7 DHS 21 Submenu of TDS para...

Page 4: ...ower off and low voltage display The meter s digital filter improves measurement speed and accuracy There is reading stability display The package includes portable case meter electrode standard solut...

Page 5: ...9 9 S cm 200 1999 S cm 2 00 19 99 mS cm 20 0 199 9 mS cm C0ND 7 PC 7 Resolution 0 1 1 S cm 0 01 0 1 mS cm Accuracy 2 0 FS Temperature compensation 0 80 manual or automatic Electrode constant 0 1 1 10...

Page 6: ...eter Note In the calibration mode or the parameter set up mode press for return to the measurement mode then press to turn off the meter TDS 1 Parameter mode icons 2 Measurement reading 3 Prompts of s...

Page 7: ...In the measurement mode press this key to enter in the parameter set up main menu In the calibration mode press this key to confirm calibration In the parameter set up mode press this key to select pr...

Page 8: ...de in laboratory in ideal conditions using a XS DHS meter Calibration data like date slope model and batch number are memorized inside the electrode Moving this electrode on another XS meter DHS compa...

Page 9: ...solution then select other standard solution to perform the second and the third point calibration the meter is able to recognize the buffer solutions in analysis During the calibration process the in...

Page 10: ...er solution Stir the solution briefly and allow it to stay in the buffer solution until a stable reading is reached The meter s display will show scanning and locking process of calibration buffer sol...

Page 11: ...to confirm it Then the main value blinks Follow the above procedures to adjust the main value and calibrate the meter Rinse pH electrode in pure water allow it to dry and submerge it in pH 6 50 buffe...

Page 12: ...ange out of range 0 00 pH or 14 00pH 1 Check whether the electrode is suspended 2 Check whether the meter connects the electrode well 3 Check whether the electrode is damaged Factory default setting F...

Page 13: ...shed with pure water and dried Do not clean the glass bulb with a tissue for it will affect the stability of the electrode potential and increase the response time The electrode should be thoroughly c...

Page 14: ...tion for 6 hours Conductivity Conductivity cell Two ring cells with built in temperature sensor can be used on this instrument The conductivity cell uses a BNC connector while the temperature probe us...

Page 15: ...form calibration from low to high concentration to avoid standard solution of low concentration being contaminated Reference temperature Reference temperature of factory default is 25 C Other referenc...

Page 16: ...of calibration at 147 S cm Select CUS in the setup menu P2 2 the meter enters into customer defined calibration mode When press LCD shows blinking CUS at the top right indicating that the meter enter...

Page 17: ...en get the reading value which is the conductivity value of the solution During the process of calibration and measurement the meter has self diagnosis functions Display Icons Contents Checking Wrong...

Page 18: ...ter can only be calibrated in Conductivity mode and not TDS mode After calibration of conductivity the meter can switch from conductivity to TDS Adjust TDS conversion factor per parameter P3 1 accordi...

Page 19: ...ard solution P2 5 Select reference temp P2 6 Adjust temperature compensation coefficient P2 8 Restore to factory setup P2 9 Temperature calibration P6 1 Select temperature unit P6 6 Parameters selecti...

Page 20: ...press directional keys Yes blinks press key to confirm the meter returns to the measurement mode No Do not restore Yes Restore to factory setting 2 Press key to return to the measurement mode Set read...

Page 21: ...perature value 15 0 30 0 press key to confirm After confirm parameter press key to return to the measurement mode Adjust temperature compensation coefficient 0 00 9 99 Press key 2 00 blinks press dire...

Page 22: ...ress key to confirm When parameter is confirmed press key to return to the measurement mode Parameters selection Yes No for each parameters only PC7 Press key in the top left pH parameter is selected...

Page 23: ...compensation coefficient 0 00 9 99 1 91 P2 8 Restore to factory default setting No Yes No P2 9 Temperature calibration Calibration range 5 Factory default value P3 0 TDS P3 1 Adjust TDS factor fact 0...

Page 24: ...Calibration Temperature Calibration P2 0 Conductivity P2 1 Cell Constant Cell P2 2 Calibration solution Calibration solution P2 5 Reference temperature Reference temperature P2 6 Temperature compensat...

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