
RK-98081 Digital pH Meter – High-Resolution Portable Water Quality Tester
The RK-98081 Digital pH Meter is a precise and portable water quality tester with a range of 0.00–14.00 pH, high resolution of 0.01 pH, and accuracy of ±0.1 pH. It features manual calibration, automatic temperature compensation, and compact design, making it ideal for aquariums, pools, ponds, hydroponics, and laboratory use.
The RK-98081 Digital pH Meter is a reliable handheld device for measuring the pH level of water with high resolution and accuracy. With a measuring range of 0.00–14.00 pH, resolution of 0.01 pH, and accuracy of ±0.1 pH, it ensures precise monitoring for both professional and home applications.
This meter features automatic temperature compensation (0°C to 50°C), ensuring stable and accurate readings under different environmental conditions. Calibration is simple with manual 1-point adjustment, making the device easy to operate and maintain.
Powered by 4 × 1.5V AG13 button batteries, the RK-98081 is compact and lightweight (175 × 41 × 23 mm, 95 g), designed for portability and convenience in daily testing.
Key Features:
Measuring Range: 0.00–14.00 pH
Resolution: 0.01 pH
Accuracy: ±0.1 pH
Automatic Temperature Compensation (ATC): 0–50°C
Calibration: Manual, 1-point
Power Supply: 4 × 1.5V (AG13 batteries)
Dimensions: 175 × 41 × 23 mm
Weight: 95 g
Compact, portable design for easy field and lab use
Applications:
Aquarium & pond water testing
Swimming pool & spa water monitoring
Hydroponics and agriculture pH control
Drinking water quality testing
School, college & laboratory experiments
Product Benefits:
✅ High resolution (0.01 pH) for precise water quality testing
✅ Portable, lightweight, and easy to use
✅ Automatic temperature compensation for accurate readings
✅ Simple manual calibration for long-term reliability
✅ Suitable for domestic, industrial, and educational use



