5 in 1 Electronic PH Meter with TDS EC Salinity Temperature pH Multi-parameter Tester Waterproof IP67 High Accuracy Water pH Meter Automatic Temperature Compensation

General descriptionThe 5 in 1 Electronic pH Meter is an ultra-precise, reliable, and easy-to-use device designed for comprehensive water quality testing. This ergonomically designed tester measures pH, TDS, EC, salinity, and temperature, making it suitable for various applications including water purification, aquaculture, hydroponics, pools, spas, and more. The meter is pre-calibrated by the manufacturer, ensuring convenience right out of the box.Technical specificationsMeasurement range: pH 0.00-14.00TDS: 0-9999 ppm (resolution: 1 ppm, accuracy: ±2% FS)Salinity (fresh water): 0.01-25.00% (resolution: 0.01%, accuracy: 0.01-5.00% (±0.1%), 5.10-25.00% (±0.1%))Salinity (seawater): 10.1-200.0 ppt (resolution: 0.1 ppt, accuracy: ±2% FS)Temperature: 0-60°C (automatic temperature compensation)Power: Three built-in 1.5V LR44 button cell batteriesInstallationNo setup required before use; the meter is ready to operate upon delivery.Calibration can be performed using standard solid pH calibration powder mixed with purified water.UsageTo measure, gently shake the pH meter in the water to remove any bubbles attached to the probe.Allow a stabilization period for accurate readings.For recalibration, use purified or distilled water only; avoid tap or mineral water.Other informationFeatures include three-point calibration, automatic temperature compensation, a lock function for easy reading, and an LCD display with green backlight for visibility in low light.Replaceable probe design for easy maintenance.Calibration powder and instruction manual included in the package.