The Yieryi 4-in-1 meter is a versatile water testing meter that accurately measures pH, ORP, H2, and temperature. With its high-resolution measurements and automatic temperature compensation (0-60°C or 32-140°F), it’s ideal for maintaining aquariums, brewing, and ensuring water purity.
Key Features of the 4-in-1 Water Tester
Advanced Measurement Capabilities
This digital water tester features comprehensive water quality analysis with pH, ORP, H2, and temperature measurements. It has high-resolution pH measurement with 0.01 resolution and automatic temperature compensation for accurate readings.
Technical Specifications
| Specification | Value |
|---|---|
| Is Smart Device | No |
| Model Number | YY-400 |
| With Backlight Or Not | YES |
| Display Type | DIGITAL |
| Brand Name | yieryi |
| Certification | None |
| Color | H2 Tester, YY-400 |









Reviews
There are no reviews yet.