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Hanna Instruments Portable Potassium Photometer Kit

List Price: $444.00
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Specifications for this item
Brand Name Hanna Instruments
Part Number HI 96750C
Number of Items 1
Item Weight 3 pounds
Size 10.0 to 100.0 mg/L
UNSPSC Code 41115300

The Hanna Instruments HI 96750C potassium portable photometer measures pot... Read full product description

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Product Features

  • Measures low and medium range potassium content in water samples
  • Calibration check function to validate instrument performance
  • Automatic shutoff to help extend life of meter
  • LCD screen for readability
  • On-screen instructions to aid in routine operation

Product Details

User Manual [1.44mb PDF]

Product Description

The Hanna Instruments HI 96750C potassium portable photometer measures potassium content in water in the low and medium range, has a calibration check function, automatic shutoff, an LCD screen, and on-screen instructions. The calibration check function (CalCheck) validates instrument performance. An automatic shutoff feature turns the meter off after 10 minutes of non-use in measurement mode, and after one hour of non-use in calibration mode, to help extend the life of the meter. Automated instructions on the LCD screen aid in routine operation. The meter is splashproof, and the lamp and filter are protected from dust and dirt by a transparent cup, making it suitable for field applications. The device uses a positive-locking system to help ensure consistent positioning of the cuvette. Potassium photometers measure potassium content in drinking and surface water samples, and are commonly used in the water quality, horticultural, and agricultural industries.


Specification Name Value
Low range 0.0 to 10.0 mg/L
Medium range 10.0 to 100.0 mg/L
Low range accuracy + or - 1.5 mg/L, + or - 7% of reading at 25 degrees C
Medium range accuracy + or - 15 mg/L, + or - 7% of reading at 25 degrees C
Low range resolution 0.1 mg/L
Medium range resolution 1 mg/L
Weight 360 g (12.7 oz.)
*Overall Dimensions 192 x 104 x 69 mm/7.6 x 4.1 x 2.7 inches (H x W x D)

*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.

Power source is a 9V battery (included). A reaction between the reagent (sold separately) and potassium in a sample causes a distinct white cloudiness to appear, which is measured by the photometer. The meter uses the tetraphenylborate method.

Photometers measure the light intensity of solutions or surfaces. For solution testing, a sample and reagent are placed in a cuvette in the photometer. The photometer transmits light through the cuvette, and compares the intensity of the light that shines through to the amount of light that shines through a blank cuvette. The meter uses the difference to calculate the concentration of the test element. For surface testing, a surface is illuminated with white light, and the photometer measures the luminosity of the reflected light. Photometers are commonly used in water quality, agricultural, horticultural, and industrial applications to measure the amount of minerals and chemicals in samples, and for checking water and beverages, such as beer and wine, for consistency.

Hanna Instruments manufactures analytical instrumentation and supplies, including pH meters, electrodes, chemical reagents, and buffer solutions. The company, founded in 1978 and headquartered in Woonsocket, RI, meets International Organization for Standardization (ISO) 9001 standards.

What’s in the Box?

  • Hanna Instruments potassium portable photometer HI 96750C
  • Sample cuvettes and caps (quantity 2)
  • Standard cuvettes (2) with standard solution
  • Cloth for wiping cuvettes
  • 9V battery
  • Scissors
  • 1000 mL automatic pipette with tip
  • Instrument quality certificate
  • Instructions
  • Rigid carrying case

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