This video will help you provide document equipment used in various analyses, including thermometers, balances, pH meters, DO meters, turbidity meters, and colorimeters. You will learn how to calibrate and read a thermometer. You will be instructed to correctly calibrate an electronic balance, a pH meter, and a Dissolved Oxygen probe using air calibration. You will learn the definition of turbidity and observe how a turbidity meter is used. You will see what is involved in calibrating and performing tests with a spectrophotometer. Run time: 23 minutes.