Revised: 28 July 2015 (removed caibrations for items no longer used)
Date reminders are set using Outlook. Outlook also maintains a record of uncompleted calibrations, as well as recently completed calibrations, and autoarchives records of completed calibrations over 18 months old.
Written records are not kept where calibration is conducted before each use.
|Horiba U-10 Water Checker||
|Hanna Instruments EC Meter||
|Hanna Instruments pH Meter||
|AND Analytical Balances||
|Small hand pH/EC meters||
|Waste Audit Scales||
|Pipettes||Annually checked for accuracy|
|Standard masses||Send to NGBrown's for calibration tri-annually|
|Laboratory glass thermometers||The 50 degree thermometers are checked annually against a slush/ice bath at sea-level and any required offset recorded indelibly on the thermometer. Any thermometers that extend to 100 degrees may be checked against boiling water at sea-level as well. Thermometers with more than an appropriate offset shall be retired from use.|
|IDEXX Quantitray sealer||Check the seal on a standard tray using coloured water, annually|
|Oxitop BOD system||Check the system calibration using calbration tablets every three years|
|Smoke alarm in laboratory||Replace in 2023 when its sensor expires|