HANNA - HI780 Checker pH Marine

Reference: RFD-2476

Condition: New product

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.

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HANNA - HI780 Checker pH Marine
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.
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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_₂) absorption in seawaters and oceans. Carbon dioxide reacts with seawater to produce carbonic acid (H_₂CO_₃).

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.

Specifications

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

Accessories

Reference: RFD-1146
Brand: Hanna Instruments
HANNA - HI93703-50 Cuvette Cleaning Solution
Solution for cleaning cuvettes (vials) for photometers, colorimeters and turbidimeters from Hanna Instruments. Used with cuvette cleaning clothes 230 mL bottle
Reference: RFD-1148
Brand: Hanna Instruments
HANNA - HI731321 Glass Cuvette Set (4 Piece)
Extra cuvettes (vials) for your Hanna Colorimeter Checkers.
Reference: RFD-2478
Brand: Hanna Instruments
HANNA - HI780-25 Checker pH Marine Reagent
Reagent for HI780 Checker pH Marine.