Introducing the advanced 3-in-1 Portable Water Quality Meter, your all-in-one solution for precise and reliable water analysis. This robust device seamlessly integrates three essential testing functionspH, total hardness, and salinityinto one handheld unit, eliminating the need for multiple separate instruments. Designed for both professional and personal use, it delivers laboratory-grade accuracy in the field, making it an indispensable tool for aquaculture operations, drinking water safety checks, environmental monitoring, and aquarium maintenance. Engineered for exceptional performance, this meter delivers highly accurate readings across all parameters. It features a precise pH measurement range of 0.00-14.00 with a remarkable resolution of 0.01 and an accuracy of 0.1, ensuring you capture the most subtle changes in water acidity or alkalinity. The device also provides comprehensive ORP (Oxidation-Reduction Potential) readings up to 1999mV and a wide temperature range from 0.0-60.0C (32.0-140.0F), giving you a complete picture of your water's health and stability. Built to withstand demanding conditions, this water tester is as durable as it is accurate. It operates flawlessly in a broad working environment from 0 to 60C (32.0-140F) with up to 100% relative humidity, making it perfect for use in humid aquaculture facilities, outdoor bodies of water, and various industrial settings. Its rugged construction ensures reliable performance where you need it most, from monitoring fish farm health to ensuring the safety of drinking water sources. This versatile meter is the ultimate tool for a wide range of applications. Aquaculture professionals can depend on it to monitor pond conditions and ensure optimal health for fish and shrimp. Municipal workers and homeowners can use it for regular drinking water quality assessment. Whether for managing a commercial hydroponic system, maintaining a pristine aquarium, or conducting environmental research, this 3-in-1 meter provides the critical data you need to make informed decisions with confidence and ease.