Portatif Türbidimetre (Bulanıklık Ölçer) Cihazı - ISO7027 Uyumlu TN400 APERA

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Portable Turbidimeter (Turbidity Meter) Device – ISO7027 Compliant TN400 APERA

Fiyat Sorunuz

ISO7027 compliant portable turbidimeter with infrared light source for accurate turbidity measurements from 0 to 1000 NTU in field and laboratory applications.

Infrared light source – ISO7027 compliant
Easy and rapid calibration
TFT Color Display with graphic and text operation guides (measurement mode, green during calibration)
US EPA-certified, non-toxic, user-friendly polymer standard solutions
CE certified with 2-Year Warranty

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The Apera Instruments TN400 Portable Turbidity Meter is engineered with an infrared light source and employs ISO7027-compliant nephelometric methodology (90° angle) to deliver reliable turbidity measurements ranging from 0 to 1000 NTU in both field and diverse application environments. The device is equipped with a large TFT color display for enhanced readability. The meter comes supplied with four bottles of high-molecular polymer turbidity standard solutions (0.02 NTU, 20.0 NTU, 100 NTU, 800 NTU) — an EPA-approved primary standard for safe, non-toxic, and disposable turbidity sensor calibration. Particle size/distribution and optical density are NIST-traceable, with inherent stability ensuring no sedimentation from suspension. Standard solutions maintain a guaranteed one-year shelf life regardless of cap reclosure. Submicron polymer suspensions represent non-toxic primary calibration standards approved by US EPA for drinking water analysis turbidity measurement. The meter is CE certified and backed by a 2-year warranty.

Technical Specifications

Measurement Method	ISO 7027 compliant nephelometric method (90°)
Measurement Range	0 to 1000 NTU, automatic range selection: 0.01 – 19.99 NTU, 20.0 – 99.9 NTU, 100 to 1000 NTU
Resolution	0.01 / 0.1 / 1 NTU
Reading Error	±2% of reading value ± stray light
Repeatability	±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 (850 nm wavelength)
Detector	Silicon photovoltaic
Display	TFT Color Display
Sample Bottles	Ø25 × 60 mm, high borosilicate glass with screw cap
Sample Volume	18 ml
Operating Temperature Range	0 to 50°C (32 to 122°F)
Power Supply	4 × AA Alkaline Batteries
IP Rating	IP67
Dimensions/Weight	Meter: (90 × 203 × 80) mm / 385 g; Portable Case: (310 × 295 × 110) mm / 1.5 kg
Quality and Safety Certification	ISO9001:2008 and CE

Applications

Drinking water quality monitoring and compliance testing
Wastewater treatment plant turbidity control
Environmental surface water analysis
Laboratory and field turbidity measurements
Process water quality assurance in industrial applications
Educational and research institutions

Frequently Asked Questions

What measurement method does the TN400 use?

The TN400 employs ISO7027-compliant nephelometric methodology at a 90° angle, utilizing an infrared light source (850 nm wavelength) for accurate turbidity determination.

What is the measurement range of this turbidimeter?

The device measures turbidity from 0 to 1000 NTU with automatic range selection across three intervals: 0.01–19.99 NTU, 20.0–99.9 NTU, and 100–1000 NTU.

Are the calibration standards safe to use?

Yes. The supplied calibration standards are US EPA-approved primary standards that are non-toxic and safe for disposable sensor calibration.

How long do the standard solutions remain stable?

The polymer standard solutions maintain a guaranteed one-year shelf life regardless of cap reclosure status.

What certifications does this meter hold?

The TN400 is CE certified and complies with ISO9001:2008 quality standards, backed by a 2-year warranty.

What is the IP rating for water resistance?

The meter has an IP67 rating, providing protection against dust and submersion up to 1 meter for 30 minutes.