pH-meter tester (0,01 pH)

Model with replaceable electrode, a single key for all operations

This tester 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.

One-button operation
Replaceable pH electrode
±0.2 pH accuracy

Features

This tester now offers automatic calibration to one or two points, automatic buffer recognition, calibrated buffer tags, stability indicator, low battery indicator, and selectable automatic shut off.

It still maintains the iconic pentagon design with a probe that measures 103 mm in length and tapered to a 8 mm diameter making it ideal for test tubes and vials.

Economical – The Checker Plus is a full-featured pH tester at a price that anyone that needs to measure pH can afford.
Large LCD - Enhanced LCD that displays reading, stability indicator, low battery indicator and calibration tags.
Replaceable pH Electrode - The HI1271 supplied gel filled pH electrode tapers to an 8 mm diameter at the sensing end. This narrow electrode easily fits into test tubes, vials, and other containers with a small opening.
Automatic Calibration - The Checker Plus is calibrated automatically to one or two points. The calibration buffers are automatically recognized and after calibration the buffer values used are shown on the display as a tag.
Stability Indicator – An hourglass indicator is displayed on the LCD until a stable reading is obtained. Once a reading stabilized the indicator disappears and a reading can be recorded.
Automatic Shut-Off – The meter can be set to automatically turn off after 8 minutes or 60 minutes to conserve battery life in the event that the meter is left on. The auto off feature can be disabled.
Long Battery Life - The Checker Plus has an exceptional long battery life of approximately 1000 hours. When the battery power is running low a low battery indicator is displayed.

Technical specifications

Code	HN/098100
pH Range	0.00 to 14.00 pH
pH Resolution	0.01 pH
pH Accuracy	±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.)
Ordering Information	HI98100 is supplied with HI1271 pH electrode, HI70004 pH 4.01 buffer solution sachets (2 x 20 mL), HI70007 pH 7.01 buffer solution sachets (2 x 20 mL), HI700601 electrode cleaning solution sachets (2 x 20 mL), instruction manual, instrument quality certificate and plastic carrying case.
Warranty	1 year (probe 6 months)

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