Blog General Laboratory Equipment
Lutron Turbidity Meter TU-2016
7 Februari 2026
•
15x dilihat
A Portable Turbidimeter is a handheld diagnostic tool used to measure the "cloudiness" or turbidity of a liquid. In the field, it is the primary way environmental scientists and water technicians determine if water is clean, contaminated, or effectively filtered.
A portable turbidimeter is a handheld, battery-operated instrument used to measure the turbidity of a liquid—essentially, how cloudy or hazy it is. Turbidity is caused by suspended particles like silt, clay, microorganisms, and organic matter that scatter and absorb light.
Lutron Turbidity Meter TU-2016
The standard unit of measurement is the Nephelometric Turbidity Unit (NTU).
Most modern portable turbidimeters use a technique called Nephelometry.
The Process : The device shines a light beam (usually a tungsten lamp or an infrared LED) into a small glass vial containing the water sample.
The Measurement : Suspended particles (silt, algae, microbes) scatter the light. A sensor positioned at a 90° angle to the light source measures the intensity of this scattered light.
The Result : The more light that hits the 90° sensor, the higher the turbidity, measured in NTU (Nephelometric Turbidity Units) or FNU (Formazin Nephelometric Units).
Most modern portable turbidimeters use the nephelometric method defined by the US EPA. They have a light source (usually an LED) and a photodetector set at a 90-degree angle to the light path.
The instrument shines a beam of light into the water sample.
Suspended particles scatter the light.
The detector at 90° measures the intensity of this scattered light.
The more light scattered, the higher the turbidity reading.
Many advanced models also use ratiometric or multiple-detector technology (detectors at 90°, 180°, and other angles) to compensate for color absorption and varying particle sizes, improving accuracy across a wide range.
Portable Turbidity Feature
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Portability & Durability: Rugged, waterproof (IP67 rating common), lightweight design for field use.
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Measurement Range: Typically from 0 to 1000+ NTU (some go up to 4000 NTU). High-precision models focus on the low range (0-10 NTU) for drinking water compliance.
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Accuracy & Resolution: Critical for low-level measurements. Look for instruments meeting regulatory standards (EPA Method 180.1, ISO 7027).
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Calibration: Easy, menu-driven calibration using AMCO/AEPA-style primary standards (e.g., formazin polymer gels or stable suspensions).
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Data Logging & Connectivity: Most store hundreds of readings with time/date stamps and offer USB or Bluetooth connectivity to transfer data to a computer or smartphone.
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Display & Interface: Backlit LCD screens with intuitive menus.
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Power Source: Rechargeable Li-ion batteries or standard AA batteries.
Lutron Turbidity Meter TU-2016
Feature
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Portable Turbidimeter
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Benchtop (Lab) Turbidimeter
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Location
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Field use, on-site testing
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Laboratory only
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Speed
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Immediate results on-site
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Requires sample transport, risk of change
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Sample Stability
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Measures before particles settle
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Sample can change during transport
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Data Management
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Good for field logging
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Often more advanced software
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Precision
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Good to excellent
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Typically highest precision for R&D
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Cost
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Generally lower
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Higher
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Lutron Turbidity Meter TU-2016
Lutron Turbidity Meter TU-2016
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Feature
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Designed to meet ISO 7027
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High resolution : 0.01 NTU/1 NTU
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NTU ( Nephelometric TURBIDITY Unit ) measuring unit
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Wide and auto measurement range : 0 to 1,000 NTU.
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The unique optics structure, enables the instrument to read low value of TURBIDITY to the high level up to 1,000 NTU.
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Microprocessor circuit assures maximum possible accuracy,
provides special functions and features.
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Four operation buttons and two calibration points,
easy operation.
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Battery operated for field and on-site
testing convenience.
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Jumbo LCD, easy readout.
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Auto shut off is available to save battery life.
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Data hold function for freezing the desired value on display.
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Records Maximum and Minimum readings with Recall.
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Application : Test municipal water, food and beverage water, or other aqueous solution where fluid clarity is important.
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Heavy duty & compact housing with hard carrying case, designed for
easy carry out & operation.
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Lutron Turbidity Meter TU-2016
SPECIFICATIONS LUTRON TURBIDITY METER
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Circuit
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Custom one-chip of microprocessor LSI circuit.
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Display
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LCD size : 41 mm x 34 mm
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Range
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0.00 to 50.00 NTU, 50 to 1,000 NTU
* NTU : Nephelometric Turbidity Unit
* Auto range
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Resolution
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0.00 to 49.99 NTU
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0.01 NTU
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50 to 1000 NTU
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1 NTU
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Accuracy ( 23 ± 5℃ )
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0.00 to 49.99 NTU : ± 5% reading or ± 0.5 NTU, whichever is greater.
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50 to 1000 NTU : ± 5% reading or ± 5 NTU, whichever is greater.
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Light Source
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LED, 850 nm.
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Detector
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Photo diode
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Standard
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Meet ISO 7027.
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Response Time
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Less than 10 seconds.
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Sample Volume Needed
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10 mL.
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Data Hold
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Freeze the display reading.
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Memory Recall
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Maximum & Minimum value.
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Display Sampling Time
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Approx. 1 second.
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Power Off
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Auto shut off saves battery life or manual off by push button.
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Calibration Points
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0 NTU, 100 NTU.
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Operating Temperature
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0 to 50 ℃.
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Operating Humidity
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Less than 85% R.H.
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Power Supply
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DC 1.5 V battery ( UM4, AAA ) x 6 PCs, or equivalent.
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Power
Current
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Stand by
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Approx. DC 3.5 mA.
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Testing
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Approx. DC 36 mA.
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Weight
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320 g/0.70 LB. @ Battery is included.
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Dimension
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155 x 76 x 62 mm ( 6.1 x 3.0 x 2.4 inch)
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Accessories
Included
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Testing bottle with 0 NTU standard solution
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1 PC
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Testing bottle with 100 NTU standard solution
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1 PC
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Empty testing bottle
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2 PC
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Clean cloth
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1 PC
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Clean solution ( Distill water )
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1 bottle
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Hard carrying case, CA-08
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1 PC
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Optional
Accessories
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* Testing bottle with 100 NTU standard solution, TU-100NTU
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* Testing bottle with 0 NTU standard solution, TU-0NTU
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* Empty testing bottle, 0601
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Lutron Turbidity Meter TU-2016
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Lutron Turbidity Meter TU-2016