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Atago 4406 PAL-06S Digital Hand-Held Pocket Salinity Refractometer, Special Scale for Seawater
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Atago 4406 PAL-06S Digital Hand-Held Pocket Features
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Handheld pocket refractometer for measurement of salinity concentration 0-100% in seawater with a temperature range between 10.0 to 40.0 degrees C
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Automatic temperature compensation (ATC) for immediate and accurate calibration readings, regardless of ambient temperature
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LED-illuminated digital display, with an external light interference (ELI) feature to alert of outside light interference
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Rectangular palm-sized shape (109 x 55 x 31mm), with prism housed in circular sample well
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Durable, acrylonitrile butadiene styrene (ABS) resin body, with Ingress-Protection (IP)-65 rating for protection against dust and water jets
About Atago 4406 PAL-06S Digital Hand-Held Pocket
The Atago 4406 PAL-06S is a handheld, portable, water-resistant salinity refractometer that measures seawater salinity between 0 to 100‰, has automatic temperature compensation (ATC), an LED display with external light interference (ELI) technology, and an acrylonitrile butadiene styrene (ABS) resin Ingress-Protection (IP-65)-rated body. A salinity refractometer measures the concentration of salt, such as sodium chloride, magnesium and calcium sulfates, in liquids and displays the results. Handheld refractometers, also known as sugar meters, concentration meters, or Brix meters, are commonly used in the culinary, food and beverage, pharmaceutical, educational, geological, chemical, and ecological industries, and for water-testing applications. This refractometer is housed in an ABS resin body for use with salty samples. The 4406 PAL-06S features ATC for immediate, accurate readings, with an ambient temperature range of 10 to 40 degrees C. The unit is factory-calibrated (calibration certificate not included) and can be calibrated with tap water. The metal sides of the sample well allow the sample temperature to conform quickly and evenly to the prism temperature for accurate measurements. The sloped shape eases sample pouring, and helps avoid spills while taking measurements. The outer shell is shaped for easy gripping, with raised grip dots on the back side where the fingertips rest. The LED-illuminated digital display with ELI technology helps provide accurate measurement near windows or outdoors. ELI alerts the user that there is too much light, such as direct sunlight, penetrating through the prism. The unit displays both seawater salinity and temperature within three seconds, and comes with a protective plastic storage case with a foam cut-out insert to cushion the instrument. Specifications Measurement scale range Seawater 0 to 100% (parts per mille) Specimen measurement temperature range 10.0 to 40.0 degrees C Accuracy Seawater + or – 2% (parts per mille), Temperature + or – 1 degrees C Resolution Seawater 1% (parts per mille), Temperature 0.1 degrees C Ambient temperature for unit operation 10 to 40 degrees C Sample volume 0.3ml Measurement time Three seconds Body type ABS resin, IP-65 rated Power supply Two AAA batteries Dimensions 109 x 55 x 31mm (H x W x D) Weight 100g Warranty Limited two-year H is height, the vertical distance from the lowest to highest point; W is width, the horizontal distance from left to right; D is depth, the horizontal distance from front to back. Refractometers are used to determine substance content in a sample, to provide unit readings of substances including Brix, salinity, and alcohol; to detect chemical impurities, or to measure components of samples such as industrial fluid. Refractometers measure the refractive index of a substance, which is its optical characteristic, and the number of dissolved particles in it. The refractive index is the ratio of the speed of light in empty space to the speed of light in a substance; when light passes from one medium to another. Generally, a low concentration sample has a larger angle of refraction than a high concentration sample. For example, a straw placed in a high-concentration substance appears more bent than when placed in a low-concentration substance. Refractometers can work with natural light, or with an external power source such as batteries or electricity. They typically have either a digital or analog reading display, though some units utilize both types. Some analog-display refractometers can be used for both solids and liquids. Digital-display refractometers are used exclusively for liquids. Types of refractometers include handheld, benchtop, and in-process. Handheld refractometers are elongated and telescope-shaped, or shorter and rectangular. Analog handheld refractometer readings are obtained by looking through the monocular eyepiece and viewing where the boundary line intersects with the memory line. Digital handheld models pro
