| pH Range | -2.00 to 19.99 |
|---|---|
| Brand | Apera Instruments |
Check the listing for details. Apera Instruments AI421 PH400S Portable Ph Meter Kit, -2.00 to 19.99 pH range. Condition: New. Listed at 310.95 USD. Accuracy: ±0.01 pH/0.1 percent F.S; range: -2.00 to 19.99 pH. 32-212 ˚ F (0 to 100˚C) auto or manual temperature compensation. The product is CE certified. Notes: this product will not give accurate or stable readings for distilled or deionized water's pH testing.