TN400 Turbidity Meter, Portable

• High-Precision ISO 7027 Compliant Measurement: Utilizes infrared LED (860±30nm) and 90° nephelometric method (ISO 7027 & DIN EN 27027 compliant) for accurate and reliable turbidity testing in both lab and field environments.

• Wide Measuring Range & High Accuracy: Covers 0–1000 NTU with automatic range selection (0.01–19.99, 20.0–99.9, 100–1000 NTU). Delivers ≤±2% of reading + stray light accuracy and ≤±1% or 0.02 NTU repeatability.

• Dual Measurement Modes: Choose between Normal Mode for quick single readings or Average Mode, which automatically performs 10 consecutive measurements to display an average—ideal for unstable or settling samples.

• Intuitive TFT Color Display: Large full-color screen provides graphic and text operation guides, with distinct display colors for measurement and calibration, ensuring clear and user-friendly operation.

• EPA-Certified Calibration Solutions: Includes five AMCO polymer calibration standards (0.0, 20, 100, 400, 800 NTU)—non-toxic, NIST-traceable, stable, and EPA-approved for drinking water turbidity analysis.

• Durable IP67 Waterproof Design: Built for field use with rugged housing and IP67 sealing, resistant to dust, moisture, and harsh conditions.

• Complete Portable Test Kit: Comes in a sturdy carrying case with; TN400 meter, 6 high-borosilicate glass vials (Φ25×60 mm), 4×AA batteries, calibration standards, silicone oil, microfiber cloth, and accessories.

• Certified Quality & Warranty: CE, RoHS & FCC certified, backed by 2-year limited warranty from Apera Instruments, USA.

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