Designed for your Conductivity and TDS applications, the Hach HQ14D portable Conductivity and TDS meter is an advanced handheld digital meter that takes the guesswork out of measurements. The Hach HQD digital Conductivity/TDS meter combines reliability, flexibility and ease of use. The HQD portable meters connect with conductivity Intellical smart cells addressing different sample types and operating environment for water quality, environmental and treatment process purposes. The Intellical probe automatically recognize the testing parameter, store the calibration history, and method settings to minimize errors and setup time. In their Rugged outdoor version the Intellical sensors are nearly indestructible and available with multiple cable lengths.