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HOBO® MX2501 pH and Temperature Logger

Item #: 90840
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HOBO pH and Temperature Logger Model MX2501

Designed for long-term monitoring in estuaries, lakes, streams, rivers, and oceans, this logger measures pH and water temperature. Bluetooth Low Energy® (BLE) connectivity allows the logger to communicate wirelessly with iOS devices through the free HOBOmobile® App. Use the app for easy logger setup, step-by-step calibration, and fast data offload. The logger’s 152 KB memory stores up to 43,300 measurements. Equipped with a rugged PVC housing, the logger is waterproof to 40 meters (131.2 feet) and can be deployed in freshwater or saltwater environments. The pH electrode features Pellon® junctions, gel electrolyte, and a glass sensor bulb.

Note: This data logger requires the HOBOmobile App and a compatible mobile device.

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Quick Specs

Brand HOBO
MPN MX2501
UNSPSC 41111900
Made In United States
Range: pH, 2.00 to 12.00; Temperature, -2°C to 50°C (28.4°F to 122°F). Accuracy: pH, ±0.10 pH units within ±10°C of temperature at calibration; Temperature, ±0.2°C (±0.36°F). Resolution: pH, 0.01; Temperature, 0.024°C at 25°C (0.04°F at 77°F). Response Time: pH, 1 minute typical to 90% at constant temperature in stirred water; Temperature, 7 minutes typical to 90% in stirred water. Operating Range: -2°C to 50°C (28.4°F to 122°F), non-freezing. Transmission Range: Approximately 30.5 m (100 feet) line-of-sight in air. Logging Rate: 1 second to 18 hours. Battery Type: One AA 1.5V. Environmental Rating: IP68. Dimensions: 9˝ x 1.68˝. Weight: 9.46 oz.

Quick Specs

Brand: HOBO
MPN: MX2501
UNSPSC: 41111900
Made In: United States

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