pH indicator papers have been available for decades and are the standard for many applications. The refill reels of indicator paper come singly sealed to ensure long-term stability and protection against many external influences. They have to be placed in the plastic reel with color scale to be used.
| Platform | Products for pH determination |
| Parameter | pH |
| Gradation | pH - < 3.8 • 3.8 • 4.1 • 4.3 • 4.5 • 4.7 • 4.9 • 5.2 • 5.5 • 5.8 • > 5.8 |
| Evaluable on reflectometer | No |
| Length | 5 m |
| Width | 7 mm |
| CE certified | No |
| Shelf life (from production) | 3 Years |
| Storage temperature | 4−30 °C |
| Scope of delivery | 3 reels of 5 m length and 7 mm width |
| Hazardous material | No |