Apera Instruments TN400 Portable Turbidity Meter with Infrared Light Source, ISO 7027 Compliant

The Apera Instruments TN400 Portable Turbidity Meter is a precision ISO 7027 compliant nephelometric turbidity meter featuring an infrared light source and a 90° nephelometric measurement geometry. Designed for both in-field and laboratory applications, it measures turbidity levels ranging from 0 to 1000 NTU with an accuracy of ±1% or 0.02 NTU, whichever is greater, suitable for environmental monitoring, water treatment, beverage production, and bioprocessing quality control.

Key technical features include a large colored TFT display providing clear graphical and textual operation guidance, facilitating easy calibration and real-time data interpretation. The meter uses EPA-certified, non-toxic high-molecular polymer turbidity standard solutions (0.02, 20.0, 100, 800 NTU) for reliable, NIST-traceable calibration, essential for molecular diagnostics and synthetic biology research requiring precise water quality assessments.

The TN400 supports microbiology, clinical diagnostics, and biotechnology workflows by enabling accurate turbidity measurements necessary in water-based processes, including biomanufacturing and molecular cloning workflows. The robust design ensures usability in both laboratory and field environments, making it widely adopted in environmental biotechnology and live-cell imaging sample preparation where water purity is critical.

This portable turbidity meter is critical in molecular biology and biotechnology research fields requiring precise, reliable turbidity analysis for water samples, supporting sustainable bioprocessing and environmental monitoring workflows.