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The BLE-9002 is a 2-in-1 digital hydrogen meter that measures both dissolved hydrogen (H2) concentration and water temperature. It can be used as a classic tester even without a smartphone connection, making it versatile for everyday and professional use alike.
The device measures H2 in the range of 0–2990 ppb with 1 ppb resolution and temperature from 0.1°C to 60°C, with an accuracy of ±0.5°C. It features IP67 waterproofing and automatic calibration at 750 ppb.

The BLE-9002 offers cloud-based data management through real-time Bluetooth transmission. Users can save, manage, and share test data directly from a smartphone, with all readings backed up to a cloud server to prevent data loss.
| Product Highlights | |
|---|---|
| Model Number | Hydrogen H2 Meter BLE-9002 |
| Type | Digital Hydrogen Meter |
| Measuring Range | 0-2990 ppb; 0.00-2.90 ppm |
| Accuracy | 1 ppb; 0.01 ppm |
| Temperature | 0.0-60.0°C; 32.1-140.0°F |
| Power Source | LR44 Battery |
| Other Features | Bluetooth Hydrogen Rich Pen Temperature Meter, High-Sensitive Replaceable Electrode, HD LCD Display |



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