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HI-780 Marine pH Handheld Colorimeter, Checker HC
HI-780 Marine pH Handheld Colorimeter, Checker HC

HI-780

The HI-780 Checker HC is a simple, accurate, and cost effective way to measure pH in seawater. Designed as a more accurate alternative to chemical test kits, this handheld colorimeter provides quick, accurate pH testing results.

pH
Marine

€69.00 (exc.VAT)
€86.25 (tax incl.)
Accessories
Reference
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Full Description Specification Manuals

pH of ocean surface water is normally 7.5.to 8.5 pH.

Over the years however, acidification tendency is to decrease 0.1 to 0.2 pH units/century. Acidification is a consequence of carbon dioxide (CO) absorption in seawaters and oceans. Carbon dioxide reacts with seawater to produce carbonic acid (HCO).

pH modifications affect marine life growth, reproduction, and communication. Hydrogen ions have a tendency to bond with carbonate to form bicarbonate. The greater attraction to carbonate over calcium can adversely affect skeleton building and can limit coral growth.

  • Ideal for aquariums and marine biology
  • Easier to use and more accurate than chemical test kits
  • Small size, big convenience

Four steps. One click. Instant Readout.

Step 1  1. ‘Zero’ the Checker®HC with your vial & 10ml water sample inside

Step 2  2. Take the vial out and add your reagent

Step 3  3. Place your vial into your Checker®HC

Step 4  4. Press the button and read the results

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Range 6.3 to 8.6 pH
Resolution 0.1 pH
Accuracy @ 25°C/77°F ±0.2 pH
Light Source LED @ 525 nm
Light Detector silicon photocell
Method colorimetric adaptation of phenol red method
Auto-off after ten minutes of non-use
Environment 0 to 50°C (32 to 122°F); RH max 95% non-condensing
Battery Type (1) 1.5V AAA
Ordering Information HI-780 Checker HC is supplied with sample cuvettes with caps (2), pH reagent starter set, battery, and instructions
Accessories purchased separately HI-780-25 Reagent set for approx. - 100 tests. HI-780-11 Calibration set

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