The HI98100 Checker Plus is the next generation of the original Hanna Checker pH tester. The Checker is the most popular pH meter in the world with over 1 million meters used since its introduction in 1991. From students to researchers, the Checker has been helping people with their pH measurement as a meter that is simple to use and operate. A replaceable electrode extends the life of your digital pH tester.
The main difference between the HI98100 and HI98103 is the Checker Plus HI98100 has PH resolution to the 0.01. The HI98103 only measure`s ph to the tenth 0.1. The Checker Plus HI98100 also has automatic calibration to one or two points, automatic buffer recognition, calibrated buffer tags, stability indicator, low battery indicator, and select-able automatic shut off.
|pH Range||0.00 to 14.00 pH|
|pH Resolution||0.01 pH|
|pH Accuracy (@25ºC/77ºF)||±0.2 pH|
|Calibration||Automatic, one or two points with three standard buffers available (pH 4.01, 7.01 and 10.01)|
|Battery Type/Life||1.5V CR2032 (1) / approximately 1000 hours of continuous use|
|Electrode/Probe||HI1271 pH electrode with screw type connector (included)|
|Environment||0 to 50°C (32 to 122°F); RH max 95%|
|Dimensions||50 x 174 x 21 mm (2 x 6.8 x 0.9”)|
|Weight||50 g (1.8 oz.)|
HI98100 is supplied with:
|Warranty||1 Year (pH probe 6 months)|
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.
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