TN400 Portable Turbidity Meter Kit

ISO 7027 Compliant – Includes carry case and calibration solutions
 Usually Stocked 

$1,295.00 ex GST

SKU: TN400
Categories: Turbidity Meters


Introducing the Apera Instruments TN400 Portable Turbidity Meter, a state-of-the-art device designed for precise and reliable turbidity measurements in various applications, both in-field and in-lab. This meter features an infrared light source, adhering to the ISO7027 compliant nephelometric method (90°), ensuring accuracy with an impressive ±1% or 0.02 NTU (whichever is greater). The large colored TFT display provides intuitive navigation, complemented by graphic and text guides for easy operation.

This portable turbidity meter offers swift and straightforward calibration, supported by a user-friendly TFT colored screen (green during calibration). U.S. EPA certification guarantees the use of non-toxic polymer standard solutions for calibration, making it safe and convenient. The kit includes four vials of high-molecular polymer turbidity standard solutions (0.02 NTU, 20.0 NTU, 100 NTU, 800 NTU), ensuring accuracy and traceability to NIST standards.

Whether for environmental monitoring, water treatment, beverage production, or other applications, the TN400 is equipped to deliver accurate readings across a turbidity range of 0 to 1000 NTU. The CE certification and a 2-year warranty underscore the reliability and quality assurance of this instrument, providing peace of mind for your turbidity measurement needs.


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Measuring Method  ISO 7027 compliant nephelometric Method(90°)
Measuring Range 0 ~ 1000 NTU, automatic range selection: 0.01~19.99 NTU, 20.0~99.9 NTU, 100~1000 NTU.
Resolution 0.01 / 0.1 / 1 NTU
Indication Error ≤ ±2 % of reading±stray light
Repeatability ≤ ± 1% of reading or 0.02 NTU, subject to whichever is greater
Calibration Standards 0.02 NTU, 20.0 NTU , 100 NTU, 800 NTU(Polymer)
Light Source Infrared-emitting diode(850nm wavelength)
Detector Silicon photovoltaic
Display TFT Color screen
Sample Vials Φ25×60 mm, high borosilicate glass with screw cap
Sample Volume 18 ml
Operating Temp. Range 0~50℃
Power Supply 4x “AA” Alkaline Batteries
IP Rating IP67