Hanna Skincheck 1 HI 98109/98110 pH Testers for Skin is a skin pH tester from Hanna. The instrument can help users measure the pH value of their skin to learn about their skin's health.
The document serves as an instruction manual for the Hanna Instruments HI 98109 and HI 98110 pH Testers for Skin. It details preliminary examination, initial preparation of the included electrode, and step-by-step operation procedures including how to measure skin or scalp pH.
The guide also covers essential maintenance tasks such as calibration using specific buffer solutions (pH 4.01, 7.01, 10.01), battery replacement, and proper storage methods. It includes technical specifications for both models and safety recommendations regarding usage environments.
| Range | 0.00 to 14.00 pH |
|---|---|
| Resolution | 0.01 pH |
| Accuracy (@20°C) | +0.2 pH |
| Calibration Method | Manual, 2 point |
| Environment Temperature | 0 to 50°C (32 to 122°F) |
| Battery Type | 2x1.5V alkaline |
| Dimensions (meter only) | 66x50x25 mm (2.6x2.2x1") |
Store the electrode with a few drops of HI 70300 storage solution in the protective cap.
No, you should not use distilled or deionized water for storage purposes.
The meters are guaranteed for one year against defects in workmanship and materials when used as intended.
The electrodes are guaranteed for a period of six months.