Laserfiche WebLink
II' <br />1 <br /> <br />TAffiE 6 (c~'t) <br />v of »ln tts~xmTla~r <br />calirnatigi <br />1 <br />Conductivity <br />' Temoerature <br />1 <br /> <br />J <br />1 <br />1 <br /> <br />F7~ter the make, <br />model, serial and/ <br />or ID number for <br />each meter in a <br />log book. <br />Fhter the make, <br />model, serial <br />number and tem- <br />perture range for <br />each thermcmieter. <br />All G*~*+~~**3~zation <br />shall be against an <br />Nffi or NBS cali- <br />brated thexmareter. <br />Readisgs should <br />agree within 1°C. <br />All data shall be <br />read to the nearest <br />1°C. <br />1) Qieck the cell wnstanperiodically <br />per manufacturer's coons. If <br />the cell test indices low readings <br />the probable cause is electrodes. <br />If cleaning does not re prrobe <br />performance, re-plat' zing is <br />required. Cleaning re-platinizing <br />must be done aooording~to manufac- <br />turer's instructions. <br />2) Rime cell after each ale to pre- <br />vent canywer. <br />3) Check the meter using a KCl standard <br />before taking to the fijeld. <br />1) Qie<:lc general condition of thermo- <br />meter. <br />2) At least once per year each thermo- <br />meter shall be checked et two <br />teng~er-atures against an. Nffi thereto- <br />metex. Temperature rea~irgs shall <br />agree within 1°C or the~thermcmeter <br />shall be replaced or rebalibrated. <br /> <br />