The Hanna HI9813-6 Portable pH/EC/TDS/Temperature Meter with CAL Check™ is an all-in-one solution for fast and accurate water quality testing. Ideal for hydroponics, agriculture, greenhouses, and groundwater monitoring, this waterproof meter features a 3-in-1 probe (pH, EC/TDS, temperature) with an amplified pH sensor to prevent electrical noise interference. With single-point calibration, large LCD, and on-screen tutorials, it’s simple to use—even for beginners. EC and TDS readings are automatically temperature-compensated for reliable results. Supplied with the HI1285-6 probe and accessories, the HI9813-6 is perfect for field applications. Order now from Kamadi in Pakistan for dependable water monitoring.