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EPA Compliant Benchtop Turbidity Meter - HI88703

The HI88703-11 Turbidity Calibration Standards provide a simple solution to calibrating and validating turbidity meters that have a 0 to 4000 NTU range. Hanna turbidity calibration standards are prepared from NIST traceable primary standard reference materials and come supplied with a certificate of analysis. The certificate of analysis provides the lot number, reference values, and expiration date for traceability when certifying the appropriate turbidity meter.

Brand: Hanna

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HA-HI88703-11 EPA Compliant Benchtop Turbidity Meter - HI88703 EPA Compliant Benchtop Turbidity Meter - HI88703 Login for price  

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The HI88703 Precision Turbidity Benchtop Meter is specially designed for water quality measurements, providing reliable and accurate readings, especially in the low turbidity range. The instrument is based on a state-of-the-art optical system which guarantees accurate results, assures long term stability, and minimizes stray light and color interferences. Periodic calibration with the supplied standards compensates for any variations in intensity of the tungsten lamp. The 25 mm round cuvettes composed of special optical glass guarantee the repeatability of turbidity measurements.

 Features at-a-glance:

Two Measurement Modes - The HI88703 features two options for turbidity measurement: ratio and non-ratio mode. Turbidity measurements can be made in the 0.00 to 4000 NTU (Nephelometric Turbidity Units) when using the ratio mode and in the 0.00 to 40.0 NTU range when non-ratio mode is used.

Multiple Turbidity Units of Measure - Turbidity can be read as Nephelometric Turbidity Units (NTU), European Brewing Convention units (EBC), or Nephelos units.  

EPA Compliant -  The HI88703 meets and exceeds the requirements of EPA and Standard Methods for turbidity measurements. When the meter is in EPA mode all turbidity readings are rounded accordingly to meet reporting requirements.

Calibration - The HI88703 has a powerful calibration function that compensates for lamp aging or changing. The calibration can be done using the supplied calibration solutions or user-prepared standards. A two, three, four, or five-point turbidity calibration can be performed by using the supplied (<0.10, 15.0, 100, 750, and 2000 NTU) standards. Calibration points can be modified if user-prepared standards are used.

AMCO AEPA-1 Primary Turbidity Standard - The AMCO AEPA-1 supplied standards are recognized as a primary standard by the USEPA. These non-toxic standards are made of styrene divinylbenzene polymer spheres that are uniform in size and density. The standards are reusable and stable with a long shelf life.

GLP Data - The HI88703 features complete GLP (Good Laboratory Practice) functions that allow traceability of the calibration conditions. Data includes calibration points, date, and time.

Data Logging - Up to 200 measurements can be stored in the internal memory and recalled at any time.

Data Transfer - For further storage or analysis options, logged data can be downloaded to a Windows compatible PC using the USB port and the HI92000 software.

Tutorial Mode -  The unique tutorial mode provides additional information to help the user during measurements. When enabled, the instrument displays explanations and a confirmation button when a preparation or other operation has to be performed.

Contextual Help - Contextual help is always available through a dedicated HELP button. Clear tutorial messages and directions are available on-screen to quickly and easily guide users through setup and calibration.  The help information displayed is relative to the setting/option being viewed. 

Backlit Graphic LCD Display - A graphic LCD display provides an easy to understand, user-friendly interface. All messages are in plain text making them easy to read.

Turbidity Specifications

Non-Ratio Mode Range 0.00 to 9.99; 10.0 to 40.0 NTU; 0.0 to 99.9; 100 to 268 Nephelos; 0.00 to 9.80 EBC
Non-Ratio Mode Resolution 0.01; 0.1 NTU; 0.1; 1 Nephelos; 0.01 EBC
Ratio Mode Range 0.00 to 9.99; 10.0 to 99.9; 100 to 4000 NTU; 0.0 to 99.9; 100 to 26800 Nephelos; 0.00 to 9.99; 10.0 to 99.9; 100 to 980 EBC
Ratio Mode Resolution 0.01; 0.1; 1 NTU; 0.1; 1 Nephelos; 0.01; 0.1, 1 EBC
Range Selection automatic
Accuracy ±2% of reading plus 0.02 NTU (0.15 Nephelos; 0.01 EBC); ±5% of reading above 1000 NTU (6700 Nephelos; 245 EBC)
Repeatability ±1% of reading or 0.02 NTU (0.15 Nephelos; 0.01 EBC) whichever is greater
Stray Light < 0.02 NTU (0.15 Nephelos; 0.01 EBC)
Light Detector silicon photocell
Method nephelometric method (90°) or ratio nephelometric method (90° & 180°), adaptation of the USEPA Method 180.1 and Standard Method 2130 B
Measuring Mode normal, average, continuous
Turbidity Standards < 0.1, 15, 100, 750 and 2000 NTU
Calibration two, three, four, or five-point calibration

General Specifications

Light Source tungsten filament lamp / greater than 100,000 readings
Display 40 x 70 mm graphic LCD (64 x 128 pixels) with backlight
Log Memory 200 records
Connectivity USB
Environment 0 to 50°C (32 to 122°F), RH max 95% non-condensing
Power Supply 115/130 VAC; 50/60 Hz
Dimensions 230 x 200 x 145 mm (9.0 x 7.9 x 5.7”)
Weight 2.5 kg (88 oz.)
Ordering Information HI88703 is supplied with sample cuvettes (5) with caps, HI88703-11 calibration cuvettes for turbidity, silicone oil, cuvette wiping cloth, power cord, and instruction manual.
Warranty 2 years

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