Hanna HI 9813-51 pH / EC / TDS / T° Meter – All-in-One Water Quality Solution

Precision water quality monitoring made simple. The Hanna HI 9813-51 is a versatile, user-friendly device designed for measuring pH, Electrical Conductivity (EC), Total Dissolved Solids (TDS), and temperature. Paired with the reliable HI 1285-51 probe, this multiparameter meter ensures consistent and accurate readings for hydroponics, aquaponics, and general water quality management. Its portable, waterproof design and automatic calibration make it an essential tool for professionals and hobbyists.

Why Choose Hanna HI 9813-51 Meter?

The Hanna HI 9813-51 combines advanced functionality with simplicity, offering a reliable solution for water quality testing.

• 4-in-1 functionality: Measures pH, EC, TDS, and temperature for comprehensive analysis.
• Durable probe: Includes the HI 1285-51 probe, designed for precision and long-term use.
• Automatic calibration: Simplifies setup and ensures consistent accuracy.
• Waterproof and portable: Compact and rugged design for use in any environment.
• Easy-to-read display: Digital screen provides clear, quick results.

How to Use

Using the Hanna HI 9813-51 Meter is straightforward:

1. Power on: Activate the device with the power button.
2. Select mode: Switch between pH, EC, TDS, or temperature using the mode selector.
3. Insert probe: Submerge the HI 1285-51 probe into the solution to be tested.
4. View results: Monitor the readings on the digital display.
5. Calibrate: Use the provided calibration solutions for optimal performance.

Product Specifications

• Type: Multiparameter water quality meter
• Compatibility: Includes HI 1285-51 probe
• Best for: Hydroponics, aquaponics, and water quality testing
• Features: Automatic calibration, digital display, and waterproof design
• Power: Battery-operated for portability

Why Hanna Instruments?

Hanna Instruments is a trusted name in water quality testing, known for precision and innovation. The HI 9813-51 Meter reflects this commitment by providing growers, professionals, and hobbyists with a reliable, easy-to-use device for comprehensive water quality management. Whether optimizing nutrient solutions or ensuring safe water conditions, this meter delivers accurate and dependable results.

Order Yours Today

Enhance your water quality monitoring with the Hanna HI 9813-51 pH / EC / TDS / T° Meter. Click below to return to the Add to Cart section and enjoy precise, hassle-free testing.

Shipping Information

Exceptional products deserve exceptional service. Orders to the US and Canada arrive in just 2–10 business days. Spend over $125, and shipping’s on us—it’s our way of saying thank you. For details, see our Shipping Policies.

Returns & Exchanges

Your satisfaction matters. Return your purchase within 30 days, hassle-free, as long as it’s unopened and in its original condition. Learn more in our Returns & Exchanges Policies. Shop confidently—your peace of mind is guaranteed.