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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 H2 BLE-9002 is a professional-grade digital dissolved hydrogen meter designed for accurate measurement of hydrogen concentration in water. Featuring advanced Bluetooth connectivity, this 2-in-1 device measures both H2 levels (0–2990 ppb) and water temperature (0.0–60.0°C) with laboratory-level precision of ±1 ppb (0.01 ppm).
Whether you're testing hydrogen-rich drinking water, monitoring aquarium conditions, optimizing hydroponic systems, or verifying water filter performance, the BLE-9002 delivers reliable results with smart data tracking via the companion mobile app.

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.
| Model | H2 BLE-9002 |
| Measuring Range (H2) | 0 – 2990 ppb / 0.00 – 2.90 ppm |
| Accuracy | ±1 ppb / ±0.01 ppm |
| Temperature Range | 0.0°C – 60.0°C (32.1°F – 140.0°F) |
| Temperature Accuracy | ±0.5°C |
| Resolution | 1 ppb / 0.01 ppm |
| Auto-Calibration | 750 ppb |
| Waterproof Rating | IP67 |
| Display | HD LCD with backlight |
| Power Source | LR44 Battery |
| Connectivity | Bluetooth (App Sync) |
| Electrode | Replaceable, high-sensitivity |





The H2 BLE-9002 measures dissolved hydrogen (H2) in the range of 0 to 2990 ppb (equivalent to 0.00 to 2.90 ppm) with an impressive accuracy of ±1 ppb (±0.01 ppm). It also measures water temperature from 0.0°C to 60.0°C (32.1°F to 140.0°F) with ±0.5°C accuracy, making it suitable for both casual home use and professional laboratory applications.
The BLE-9002 features built-in Bluetooth that pairs with a dedicated smartphone app (available for iOS and Android). Once connected, the app allows you to sync real-time readings, save historical data to the cloud, generate trend charts, and share results. The device also functions fully as a standalone meter without the app — the Bluetooth feature enhances data management but is not required for basic testing.
Yes, the H2 BLE-9002 has an IP67 waterproof rating, which means it is protected against dust ingress and can withstand immersion in water up to 1 meter deep for 30 minutes. This makes it safe for use in wet environments such as aquariums, hydroponic systems, and spa settings. However, we recommend avoiding prolonged submersion and always drying the device after use.
The BLE-9002 hydrogen meter is powered by a standard LR44 button cell battery. Battery life depends on usage frequency, but under normal conditions, a single LR44 battery provides approximately 200–300 hours of continuous operation. The HD LCD display includes a low-battery indicator to alert you when replacement is needed. LR44 batteries are widely available and inexpensive to replace.
Yes, the H2 BLE-9002 features a replaceable high-sensitivity electrode, which is a major advantage over disposable testers. Electrode lifespan typically ranges from 6 to 12 months depending on usage frequency and water conditions. Signs that replacement is needed include slower response times, inconsistent readings, or failure to calibrate properly. Replacement electrodes are available separately from Uniglobal Business.
The BLE-9002 is versatile and ideal for multiple applications:
Uniglobal Business offers multiple hydrogen meter options for water quality testing, laboratory use, and industrial applications through its dedicated hydrogen meter collection. (uniglobalbusiness.com)
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