Hanna Portable pH/EC/TDS/Temperature Meter, EC range: 0 to 6000 µS/cm, TDS range: 0 to 3000 ppm (mg/L) - HI9811-51

Hanna HI9811-51 Portable pH/EC/TDS/Temperature Meter is a versatile and reliable multi-parameter instrument designed for accurate measurement of pH, electrical conductivity (EC), total dissolved solids (TDS), and temperature in a wide range of applications. Ideal for field and laboratory use, this handheld meter is widely used in agriculture, hydroponics, water treatment, environmental monitoring, and industrial quality control.

The instrument offers a broad measurement capability with pH ranging from 0 to 14, EC from 0 to 6000 µS/cm, and TDS from 0 to 3000 ppm, making it suitable for comprehensive water quality analysis. It is supplied with the HI1285-5 multi-parameter probe, which integrates dedicated sensors for each parameter along with a built-in temperature sensor to enable automatic temperature compensation for EC and TDS readings, ensuring accurate results across varying conditions.

Designed for stability and performance, the amplified pH electrode minimizes electrical interference from pumps, ballasts, and other equipment, delivering consistent and reliable readings even in demanding environments. The large backlit LCD display ensures clear visibility of all parameters, while intuitive controls and on-screen guidance enhance ease of use for both experienced users and beginners.

The HI9811-51 features manual single-point calibration for pH and EC/TDS through dedicated trimmers, allowing precise adjustments and supporting standardized operating procedures in professional setups. Its rugged, waterproof enclosure ensures durability and dependable operation in harsh field conditions, including greenhouses and outdoor environments.

Powered by batteries, the meter provides up to 150 hours of continuous operation, making it highly suitable for extended fieldwork. The included 1-meter probe cable offers flexibility and ease of handling during measurements.

Widely used for irrigation water testing, hydroponic nutrient solution monitoring, greenhouse management, and general water quality assessment, the HI9811-51 is a dependable solution for professionals requiring accurate multiparameter analysis.

Enhance your testing efficiency with Hanna’s trusted multi-parameter meter technology, designed for accuracy, durability, and ease of use in professional applications portable water quality meter.