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Hanna HI780 Saltwater pH Checker

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Product Description

Get accurate water testing results with the HI780 Marine pH Colorimeter. With a digital read out, there is no more struggling to determine colors visually. This pH tester's compact design fits in your pocket or stores easily in your shop.

  • Easier to use and more accurate than chemical test kits.
  • One-button operation makes getting your pH results simple.
  • Great for aquariums and marine environmental testing.

The HI780 Checker®HC (Handheld Colorimeter) is a simple, accurate and cost effective way to measure pH in saltwater.

pH is a measure of the hydrogen ion concentration in your water; the higher the concentration, the more acidic the water is. A neutral pH is 7; most fish can live in a general range between 6 and 8. Keeping your aquarium pH stable and in optimal ranges reduces stress on your fish and aquatic animals, helping them resist disease and tolerate other stressors. Maintaining an ideal pH can also dramatically improve growth, behavior, and overall appearance.

Designed as a more accurate alternative to chemical test kits, the HI780 marine pH meter provides quick, accurate results in a few easy steps.

Features at-a-glance:

  • For use with saltwater samples
  • Easier to use and more accurate than chemical test kits
  • Dedicated to a single parameter
  • Small size, big convenience
  • Ideal for aquariums and marine biology applications.
Specification Name Detail
SKU HI780
Range 6.3 to 8.6 pH
Resolution 0.1 pH
Accuracy @ 25°C/77°F ±0.2 pH of reading @ 25 °C (77 °F)
Light Source LED @ 525 nm
Light Detector silicon photocell
Method Colorimetric Adaptation of Phenol Red Method
Battery Type (1) 1.5V AAA
Auto-off after ten minutes of non-use
Environment 0 to 50°C (32 to 122°F); RH max 95% non-condensing
Dimensions 86.0 x 61.0 x 37.5 mm (3.4 x 2.4 x 1.5”)
Weight 64 g (2.3 oz)
Ordering Information Each HI780 is delivered in a case with custom insert and is supplied with sample cuvette and cap (2 pcs.), Marine pH reagent starter kit, 1.5V AAA Alkaline battery (1 pc.), & Instruction manual
Reagent Set HI780-25 (100 tests)
Calibration Set HI780-11

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