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Hanna Instruments Checker Colorimeter Calibration Sets

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Hanna Instruments

0.00 and 1.00 ppm standards (iron) for Hanna Checker HI721: Iron

Great for testing proper functionality of your Hanna Checker HI721 Checker.


Manufacturer Info

Hanna Instruments USA Aquarium Supplies
Hanna Instruments is a leading manufacturer of analytical aquarium instrumentation. They were founded in 1978 and are headquartered in Woonsocket, Rhode Island. When Hanna introduced pH Electronic Paper in 1986 it literally revolutionized the world of testing by allowing millions of people in various industries to test for pH in a simple, accurate and affordable way. Hanna employees are constantly challenging themselves to improve on existing technology and to invent new testing techniques with the common goal to simplify analytical testing. This applies not only to instrumentation, but also to sensors development, reagents and chemicals. Hanna also believes in controlling the quality of their products from inception to delivery so they manufacture everything themselves, from meters and electrodes to chemical reagents and buffer solutions.

DHill from CALIFORNIA

11/20/2015

Experience Level: Intermediate

Must Have

Purchased these to use on all Hanna checkers to check calibration, which includes the alkalinity, calcium, low phosphate( (large blue model) checkers.

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