Tuya Smart WiFi Online Monitoring 5 in 1 High Accuracy Digital PH Meter with 0.00-14.00pH and 0-19900PPM Water Quality Tester
- pH: 0.00-14.00 pH
- EC: 0-19900 μS/cm (0-199.0 mS/cm)
- TDS: 0-19900 ppm (0-199.0 ppt)
- Specific Gravity: 0.990-1.400
- Temperature: 0-50°C (32°F-122°F)
- Resolution: pH: 0.01 pH | TDS: 1ppm (<1999ppm), 10ppm (>1999ppm) | EC: 1μS/cm (<1999μS/cm), 10μS/cm (>1999μS/cm) | Temp: 0.1°C
- Accuracy: pH: ±0.03 | TDS/EC: ±2% F.S. | Temp: ±1.0°C
| Item | Value |
|---|---|
| Warranty | 1 year |
| Type | pH meter |
| Brand | YIERYI |
| Model | PH-991W |
| Dimensions | 100mm × 75mm × 22mm |
| Material | Plastic |
| Compatible Apps | Tuya / Smart Life / YIERYI |
Shenzhen Yage Technology Co., Ltd, established in 2012, is a professional manufacturer of high-quality water testing instruments located in Guangdong, China. Our product line includes portable and digital refractometers, pH meters, TDS meters, ORP meters, EC testers, and soil moisture meters.
Our brand "YIERYI" focuses on health-oriented design with elements of technology, fashion, and portability. All products undergo rigorous testing and calibration before release. We hold ISO9001:2008 Quality System Certification and our products meet ROHS and CE standards.
With over 100 employees including R&D, production, and customer service teams, we export to Europe, America, Southeast Asia, and the Middle East with annual sales of $5-10 million USD.
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