| Model | PHS-25 (Knob type) |
|---|---|
| Brand | Unbranded |
| Product | pH Meter |
| pH Range | 0.00-14.00pH |
Check the listing for details. Lab PH Meter Benchtop Digital Acidity Measure MV Tester W/Temperature Compensate. Condition: New. Listed at 109.09 USD. The difference is from the accuracy from pH and mV.