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TN420 EPA 180.1-Compliant Portable Turbidity Meter – Precision Testing for Water Quality Professionals Portable Turbidity Meter Apera Instruments
TN420 EPA 180.1-Compliant Portable Turbidity Meter – Precision Testing for Water Quality Professionals Portable Turbidity Meter Apera Instruments
TN420 EPA 180.1-Compliant Portable Turbidity Meter – Precision Testing for Water Quality Professionals Portable Turbidity Meter Apera Instruments
TN420 EPA 180.1-Compliant Portable Turbidity Meter – Precision Testing for Water Quality Professionals Portable Turbidity Meter Apera Instruments
TN420 EPA 180.1-Compliant Portable Turbidity Meter – Precision Testing for Water Quality Professionals Portable Turbidity Meter Apera Instruments
TN420 EPA 180.1-Compliant Portable Turbidity Meter – Precision Testing for Water Quality Professionals Portable Turbidity Meter Apera Instruments

TN420 EPA 180.1-Compliant Portable Turbidity Meter – Precision Testing for Water Quality Professionals

$780.00

    Get lab-grade turbidity testing in a portable, EPA 180.1-compliant design with the Apera TN420 Turbidity Meter. Featuring a premium tungsten filament lamp for precision in low-range water testing (<10 NTU), plus automatic averaging mode, this meter delivers high-accuracy results with minimal effort. With AMCO® EPA-approved calibration standards, intuitive TFT display, and a long-lasting rechargeable battery, the TN420 is built for water quality professionals who demand reliability. Upgrade your testing capabilities—order now and ensure crystal-clear results

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Fast Delivery

Most items ship same day

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Manufacturer Warranty

All products are covered by manufacturer warranty

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After-Sale Support

24/7 support

What's Included

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VR Headset

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2 Touch Controllers

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Charging Cable

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Power Adapter

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Glasses Spacer

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Apera Instruments TN420 Portable White Light Turbidity Meter – High-Precision EPA 180.1-Compliant Water Quality Testing

The Apera Instruments TN420 Portable Turbidity Meter delivers industry-leading precision for water quality professionals, designed to meet EPA 180.1 standards for the determination of turbidity in drinking water, groundwater, surface water, saline solutions, and wastewater. Utilizing a premium tungsten filament lamp and 90° scattering method, this high-accuracy meter provides consistent and reliable readings, making it an essential tool for municipal water testing, environmental monitoring, and industrial wastewater treatment.

Exceptional Accuracy for Low-Turbidity Measurement

  • Tungsten Filament Lamp Light Source – Optimized for low-range water testing (<10 NTU), delivering stable, interference-free readings.

  • Replaceable Lamp for Long-Term Precision – Ensures extended usability, reducing downtime and maintaining measurement integrity.

  • AMCO® High-Molecular Polymer Calibration Solutions (0, 20, 100, 400, 800 NTU) – EPA-approved, NIST-traceable, and non-toxic, guaranteeing long-term stability with a one-year shelf life.

 

 

Optimized for Ease of Use & Reliable Data Capture

  • Average Measurement Mode – Automatically captures multiple readings, calculating the average value for enhanced accuracy in turbidity analysis.

  • Large TFT Color Screen with Intuitive Navigation – Displays operation guides in English, Spanish, and Chinese, ensuring effortless usability for professionals worldwide.

  • GLP Data Logging System – Stores up to 200 test results, with USB output to Windows-based PCs for seamless data tracking.

Built for Field & Laboratory Durability

  • Rechargeable 3.7V Lithium Battery – Provides 20+ hours of continuous measurement, lasting five times longer than conventional turbidity meters.

  • Rugged Portable Carrying Case & Full Accessories Kit – Includes AMCO calibration standards, sample vials, silicone oil, microfiber wipe, and user manual, ensuring a complete testing solution for water quality professionals.

Trusted by Water Scientists, Municipal Engineers, & Industrial Analysts

Used by environmental researchers, regulatory bodies, and industrial professionals, the Apera TN420 Turbidity Meter delivers lab-grade accuracy in a portable format, making it the ultimate tool for high-precision water quality monitoring.

Ensure crystal-clear water analysis with EPA 180.1-compliant accuracy—order the TN420 today.

    Turbidity Meter Specs (EPA 180.1)
    Instrument Technical Specs
    Measurement Method90° scattering measurement, U.S. EPA180.1 compliant
    Light SourceTungsten filament lamp
    Measuring Range 0 to 1000 NTU (FNU), automatic range switch:
    • 0.01 to 19.99 NTU (FNU)
    • 20.0 to 99.9 NTU (FNU)
    • 100 to 1000 NTU (FNU)
    Accuracy≤ ±2% of reading + stray light
    Repeatability≤ ±1% of reading or 0.02 NTU (FNU) (whichever is greater)
    Resolution0.01 / 0.1 / 1 NTU (FNU)
    Stray Light≤0.02 NTU (FNU)
    Calibration StandardAMCO Polymer or Formazin Solution: 0, 20, 100, 400 and 800 NTU (FNU)
    DetectorSilicon photovoltaic
    Measuring ModeNormal measurement and average measurement
    DisplayTFT color screen
    Sample VialΦ25×60 mm, high borosilicate glass with lid
    Sample Vial Volume18 mL
    Power Supply3.7V Rechargeable lithium battery
    Working Condition Temperature: 0 to 50°C (32°F to 122°F)
    Relative Humidity:
    • 0 to 90% at 30°C
    • 0 to 80% at 40°C
    • 0 to 70% at 50°C
    (No condensation)
    Instrument Sealing GradeIP67
    CertificatesISO9001:2015 and CE
    Limited Warranty2 years
    Dimension and Weight Meter: (90×203×80) mm / 385g
    Test Kit: (310×295×110) mm / 1.5kg

    Warranty Information

    APERA INSTRUMENTS, LLC warrants this instrument to be free from defects in material and workmanship and agree to repair or replace free of charge, at the option of APERA INSTRUMENTS, LLC, any malfunctioned or damaged product attributable to the responsibility of APERA INSTRUMENTS, LLC for a period of TWO YEARS for the instrument from the delivery.

    This limited warranty does NOT cover any issues due to:

    • Accidental damage
    • Improper use
    • Normal wear and tear
    • Transportation
    • Storage
    • Failure to follow the product instructions
    • Unauthorized maintenance, modifications, combination or use with any products, materials, processes, systems or other matter
    • Unauthorized repair
    • External causes such as accidents, abuse, or other actions or events beyond our reasonable control.

Product Resources:

Manual Manual
Brochure Brochure

Copy of Technical Specifications

FeatureDetails
Viewing Head Siedentopf type trinocular head, inclined at 30°, Interpupillary adjustment 53mm to 75mm, graduated diopter on left eyetube (30mm I.D. eyetubes)
Eyepieces SWH10X Widefield high eyepoint eyepiece, Field No. 22, tube O.D. 30.0 mm
Nosepiece Quintuple
Quintuple LWD Planachromat Phase 10x, 20x
Condenser TC Condenser N.A. 0.30, W.D. 73.0mm
Stage180mm(X) x 245mm(Y) plain stage with replaceable glass insert with 45mm opening, Glass Stage plate insert
IlluminationKoehler without iris, with phase slider, 3W LED
WarrantyLIMITED LIFETIME WARRANTY

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