Hanna Checkers

Exposed Temperature Probe for Fast Response Two Button Operation Simple Two-Button Operation Hanna Instruments HI-98319 is a salinity tester made ...

Measurements with a range up to 75.0ppm Less complex laboratory grade accuracy - Requires only 1 reagent Simple, intuitive operation Compact and p...

The HI-702 Checker HC (Handheld Colorimeter) is a simple, accurate, and cost effective way to measure high ranges of copper. Designed as a more acc...

Compact, Portable Design Built-in Timer One-Button Operation The HI-772 Checker®HC (Handheld Colorimeter) provides a simple, accurate and cost-eff...

The easy to use Checker plus is a real favourite with fishkeepers and aquarists due to its clear LCD display and long thin pH electrode. The checke...

Features:Easier to use and more accurate than chemical test kitsDedicated to a single parameterSmall size, big convenienceIdeal for: Aquariums, Env...

Professional instrumentation offers greater resolution and accuracy but can cost hundreds of dollars. The Hanna Phosphate Ultra Low-Range Checker® ...

Professional instrumentation offers greater resolution and accuracy but can cost hundreds of dollars. The Hanna Marine Calcium Checker uses a fixed...

The HI-784 Checker is a simple, accurate, and cost-effective way to measure Ammonia (NH3) in saltwater.Designed as a more accurate alternative to c...

HI-1271 is a single junction pH electrode with a slim 8mm polypropylene body that easily fits into test tubes and other small-sized vessels.Specifi...

Professional instrumentation offers greater resolution and accuracy but can cost hundreds of dollars. The Hanna Phosphate Low-Range Checker uses a ...

Professional instrumentation offers greater resolution and accuracy but can cost hundreds of dollars. The Hanna Phosphorus Ultra Low-Range Checker®...

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. Acid...

Professional instrumentation offers greater resolution and accuracy but can cost hundreds of dollars. The Hanna Nitrite Low Range Checker® uses a f...

Professional instrumentation offers greater resolution and accuracy but can cost hundreds of dollars. The Hanna Marine Nitrate Checker® uses a fixe...

Better Features for Better Testing – Let your photometer guide you through setup, calibration, and testing with on-screen tutorials and animations ...

Professional instrumentation offers greater resolution and accuracy but can cost hundreds of dollars. The Hanna Phosphate High Range Checker® uses ...

Make sure your marine tank or even a natural reef is in perfect health with the Hanna Reef Kit. This great professional kit includes:HI-772 Seawate...

Better Features for Better Testing – Let your photometer guide you through setup, calibration, and testing with on-screen tutorials and animations ...