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Handheld Turbidity Meters Apera Eutech EZDO »

Apera TN400 Portable Turbidity meter Kit


$1584.00 inc GST

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Rugged and dependable for both lab and field use. Includes everything needed for lab or field measurements.

Features easy-to-use functions — automatic calibration with progress bar, on-screen status and instruction, low-battery indication, and automatic power off. 

The large colour TFT display uses a blue background in measurement mode and green background in calibration mode to minimise user errors.


*Automatic calibration with progress bar, on-screen guide and low battery indicator, and automatic power off.

*Auto-ranging from 0 to 1000 with < 2% accuracy and resolution or 0.01 0.1 or 1NTU depending on scale 

  0 to 19.99  20 to 99.9 100 to 1000 NTU nephelometric turbidity units (NTU) 

*Meets ISO 7027 (DIN EN 27027) performance criteria.  Infrared light source - delivers laboratory accuracy.

*US EPA recognized standards are included in sealed vials.

*Large coloured TFT easy-to-read screen (blue backlight).

*Easy to use. Easy to calibrate.

*Modern design.

*Designed for the rigors of rugged field applications.


*Convenient rugged carrying case.

For Manual Please click here 


Measuring Method

ISO 7027 compliant nephelometric method(90°)

Measuring Range

0 to 1000 NTU, automatic range selection:

0.01 to 19.99 NTU

20.0 to 99.9 NTU

100 to 1000 NTU


0.01/0.1/1 NTU

Reading Error

≤ ±2 % of reading± stray light


≤ ±1% of reading or 0.02 NTU, whichever is greater

Calibration Standards

0.02 NTU, 20.0 NTU, 100 NTU, 800 NTU(Polymer)

Light Source

Infrared light emitting diode(850nm wavelength)


Silicon photovoltaic


TFT Color screen

Sample Vials

Φ25×60 mm, high borosilicate glass with screw cap

Sample Volume

18 ml

Operating Temp. Range

0 to 50˚C (32 to 122˚F)

Power Supply

4× AA Alkaline Batteries

IP Rating



Meter:(90×203×80)mm / 385 g

Portable Case:(310×295×110)mm / 1.5 kg

Quality and Safety Certificate

ISO9001:2008 & CE

Warranty: 3 years.

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