Turbidity Standards for Orion™ AQ3010 Turbidity Meter Thermo Scientific™. Turbidity Standards are for use with the Orion™ AQ3010 Turbidity Meter (Cat. No. AQ3010). These replacement calibration standards kit are polymer-based primary turbidity standards and includes 800, 100, 20 and 0.02 NTU in 60mL plastic bottles.