yieryi PH ORP Temperature Tester Digital PH Meter Tester Pen with Backlight: Measures PH levels accurately
From a simple pen to a pocket-sized lab: the Yieryi Digital PH Meter Tester Pen is the Swiss Army knife of water quality tools. It measures pH, ORP, and temperature with a speed that'd make a chemist jealous. Whether you're taming a murky aquarium, fine-tuning a hydroponic garden, or just paranoid about your tap water, this gadget delivers crisp, backlit readings even in the dimmest light. No more guessing games with algae blooms or nutrient imbalances—it's all about data-driven clarity. Keep it calibrated, stash it safely, and this little workhorse will stick around for the long haul. Slip it in your pocket, and you're ready to test on the fly. For hobbyists and pros alike, it's the unsung hero of liquid logistics.
- Includes ORP and temperature testing
- Backlight for easy reading
- Portable pen design for convenience
- Suitable for multiple water types
- Measures PH levels accurately
General specs
- Brand: yieryi
- Model: PH ORP Temperature Tester
- Seller: Joom
- Measurement Parameters: PH, ORP, Temperature
- Display: Digital with backlight
- Design: Pen-shaped, Portable
- Applications: Pool, Aquarium, Hydroponics, Drinking water
- First listed by seller: 8/24/25
If you are interested in more details, you can find full information on the seller's page.
View on seller's site
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$33.39
Last price update: 8/24/25
Available to order
Shipping options
Delivery to 
United States
United States
Unavailable
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yieryi PH ORP Temperature Tester Measures PH levels accurately
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| Brand | yieryi | Fishine | Home Of Auto Parts | yieryi Safe-life tools | Home Of Auto Parts | Kkmoon |
| Model | PH ORP Temperature Tester | BLE-9100 | ||||
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| Price | $33.39 | $68.87 | $102.54 | $96.15 | $268.19 | $114.92 |
| Seller | Joom | Joom | Joom | Joom | Joom | Joom |
| Update | August 18, 2025 | August 19, 2025 | August 23, 2025 | August 19, 2025 | August 23, 2025 | August 20, 2025 |
| Measurement Parameters | PH, ORP, Temperature | Salinity, EC, TDS, Temperature, pH | PH, EC, TDS, ORP, CF, Humidity, Temperature | |||
| Display | Digital with backlight | Color LCD screen | Digital | |||
| Connectivity | Bluetooth | Bluetooth | APP Control | |||
Digital PH Meter Tester Pen with Backlight
$33.39
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