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2. Rinse the PH probe and temperature probe with dejonized Water then pla-ce in the PH 7 <br />solution. <br />3. Adjust the inetcr for the appropriate tempemture then"read the p1l. <br />4. If required use the "calibrate" adjustment on the Meter to correct the insft=ent <br />to read <br />pli 7- <br />5.the PH and -temp=t= propes with delonized -water and place in the pli . lo <br />solution (note'- at Forward landf[U gmuadvlaw PH is UsWfY above 7 ' <br />therefore it is <br />SPPrOPriate to use the Ph 10 standard- If the PH is below 7 dxn the PH 4 standard should* <br />be asi:•i <br />6_ Use the "slope" 4ustment to CQMct the meter to properly read <br />PH 10. <br />7. Repeat steps 2 to 6 until the meter reads PH . .7 and 10 as closely as Possible. <br />"The 4w2h_bxzdon Process WM be recorded on a PH calibration 1,o& copies of calilx-ation logs for <br />e3i:h InAividuM kstr=ent ire kept in a bini derAt di4t offlc,�. --fhek)gsare reviewed pedodically <br />W assess whetiter the kstrument - is. becommig -mom difficult to calibme and t&refom -needs <br />2djustineat by the ManufWWmr..or if new probes are required- <br />- !Co. usfv,rV MCtG7' <br />Condtmtivity vmcasim=ca is slityect to variations due to temperatim and iu$U=Cnt drUL For <br />dlis reason conducti*lty meters must be calibrated belbre and aficz saiii ling n da <br />o each y and at <br />lc= Once inore during the day- To calibrate a conductivity meter ffie fit. trurnent reading <br />adffl'w� tO read coa=dy for solutims -with a stbwdaid conductivity. <br />Y. t / .a s conductivity solIla ions'are nibmd A=% according to Pachge <br />intructlons% for each <br />- MMP&nt Standard soludons' for conduovity of 100, 10()0, -or 1. -0,000 urdlids/liter, a= <br />4=nwrlally avaMle. Ihese sta:ndards - are p=hased fi=h and discarded aller Aelf Iffe bas <br />C9hvcL Shelflives vaxydepending• on the brand of stav� w6d, -If <br />pre-prgmed solution is <br />Wed, thle expiration' date of the solution will bo noted on the calibradon I * <br />og. <br />23-M$49-FOIX731OR325 A-3 My 14,2000 <br />CWYd&2M xkwckw b_� <br />