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2- Rinse the pH probe and ternperature probe with de-ionized water then place in the pH 7 <br /> solution. <br /> 3b <br /> Adjust the meter for dieV appropriate temperature the pH- <br /> 4. "calibrate" 4ustment can the meter to correct the - <br /> U15trument to read <br /> pH 7. R <br /> �- Riaze, the p re Probes with deiOnimd Water and place in the PH 10 <br /> solution (note: at Forward pH is usuaffy above 7 t'herefore it is <br /> appropriate to use tha ph 10 d_ If die pH is below 7 then the pH 4 smndard should <br /> be <br /> 6. Use the- cpe adjustment tocorrect the meter to properly read pH 10- <br /> 7. Repeatsteps 2 to 6 until the meter reads pH-7 and 1€1 as clOsdY as `ble_ <br /> The calibration,pz*c=wM be recorded on a pH calibration ies of_CaUbrado Tres for <br /> i a binder at the offim The top are reviewed lyto ass= . <br /> whether - to e and th .0 <br /> adjustment by the manufacturer,or if new probes am require& <br /> Gocae Y rVMeter <br /> Conductivity racm==tut is subitct tO vwi2tions dua to tcmPeratzC and instrument icor <br /> meters must be talffirgcd before and aft=umprmg€n each day and at . <br /> kast ante nt 4tuing the dzy- To calibrate a condactivity nmter the h2swmnent rcurwg is <br /> t4G cafear soludkws with a standard conhit} <br /> S nductivity _ e instructions, for each - <br /> sampling eget , Standard soludow for condtwtivity of IW. 1000, or 10,0tmplostliterarc <br /> y avaflable. Ihese stmdards are purchased fimsh and 4ffi-A=dea after sheW fife bas <br /> Shelf lives vary dcpcxrmg on the brand of s If solution is <br /> used,the tion date 'onwM be noted on the calibradon log.. <br /> 234M$494:QIU310 A-3 kly 14,2000 <br />