20 individual buffer powder (7pH) packs
±0.01 pH accuracy at 77°F (25°C)
Convenient, air-tight pouches for easy on-site calibration
Simply mix with 8.45oz (250mL) of deionized water
Ideal for field-use
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| pH Range | 6.97 to 7.06 |
| Accuracy | ±0.01 pH Accuracy at 77°F (25°C) |
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