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High accuracy, compact IP65 waterproof housing with replaceable electrode.
High accuracy, compact IP65 waterproof housing with replaceable electrode.
Discontinued!
This product has been discontinued and is no longer available.
This is the direct replacement:
This Digital pH pen displays both temperature and pH simultaneously on a dual LCD display. The 8689 features automatic temperature compensation for accurate readings and includes easy one touch calibration.
Features
| Temperature | |
| Measuring Range | 32 to 140°F (0 to 60°C) |
| Accuracy | ±1.8°F (1°C) |
| Resolution | 0.1°F/°C |
| pH | |
| Measuring Range | 0.00 to 14.00 |
| Accuracy | ±0.05 pH |
| Resolution | 0.01 pH |
| General Specifications | |
| Display | Dual Display, LCD |
| Data Hold | Yes |
| Auto Shut-off | Yes (after 20 mins) |
| Waterproof | Yes (IP65) |
| Low Battery Indicator | Yes |
| Power Supply | 4 x LR44 Cell Batteries |
| Product Certifications | CE |
| Operating Temperature | 32 to 140°F (0 to 60°C) |
| Storage Temperature | 14 to 140°F (-10 to 60°C) |
| Operating Humidity Range | 10-80% |
| Dimensions | 6.9 x 1.5 x 1.5" (176 x 39 x 39mm) |
| Weight | 3.9 oz (110 g) |
Click on a category to view a selection of compatible accessories with the REED 8689 pH Meter.
| Temperature | |
| Measuring Range | 32 to 140°F (0 to 60°C) |
| Accuracy | ±1.8°F (1°C) |
| Resolution | 0.1°F/°C |
| pH | |
| Measuring Range | 0.00 to 14.00 |
| Accuracy | ±0.05 pH |
| Resolution | 0.01 pH |
| General Specifications | |
| Display | Dual Display, LCD |
| Data Hold | Yes |
| Auto Shut-off | Yes (after 20 mins) |
| Waterproof | Yes (IP65) |
| Low Battery Indicator | Yes |
| Power Supply | 4 x LR44 Cell Batteries |
| Product Certifications | CE |
| Operating Temperature | 32 to 140°F (0 to 60°C) |
| Storage Temperature | 14 to 140°F (-10 to 60°C) |
| Operating Humidity Range | 10-80% |
| Dimensions | 6.9 x 1.5 x 1.5" (176 x 39 x 39mm) |
| Weight | 3.9 oz (110 g) |
Click on a category to view a selection of compatible accessories with the REED 8689 pH Meter.
