| Type of meter | pH |
| Display | LCD |
| Measuring range | 0...14pH |
| Measuring resolution | 0,01 pH |
| Temperature measurement resolution | 0.1°C |
| IP rating | IP57 |
| Symbol | PH90 | PH100 |
|---|---|---|
| Bargraph | - | yes |
| Temp. range [°C] | ||
| - -5...90 | x | |
| - 0...90 | x | |
| Body dim. [mm] | ||
| - 170x36x36 | x | |
| - 172.7x40.6x35.6 | x | |
| Power supply | ||
| - battery CR2032 3V x2 | x | |
| - battery CR2032 3V x4 | x | |
| Battery/ rechargeable battery | ||
| - battery CR2032 3V x2 | x | |
| - battery CR2032 3V x4 | x |