Lovibond 194154 T-Cal Turbidity Standard, 5, 20, 800, 4000 NTU

Features:

• Stabilised Formazin turbidity standard in ready-to-use sealed vials
• Save time and eliminate errors - no need for dilution
• US EPA and ISO approved as primary calibration standards

T-CAL^® Turbidity Standards are stable Formazin standards prepared in ready-to-use concentrations to ensure accurate turbidity measurements. All concentrations are verified to meet tight quality control specifications, are EPA & ISO compliant for reporting purposes and are guaranteed to save you time. This set delivers all of the concentrations needed to calibrate and verify the TB 211 IR and TB 300 IR Turbidimeter. The standards are supplied in sealed vials, eliminating any need for preparation.