Waterproof Combo Tester - pH / EC / TDS / Temp

Hanna Instruments offers innovative solutions for testing and controlling analytical properties for effective soil nutrient management. Easy to use testers are well built, reliable and will assist you in growing superior crops. Calibration, storage and cleaning solutions are available. Packaged in 500ml containers.

• Fast, efficient, accurate and portable. The Combo Tester incorporates it all.
• The graphite conductivity electrode provides greater accuracy as it cannot be contaminated by salt deposits in the solution.
• Exposed temperature sensor provides fast response times and guarantees accurate readings.
• Large, easy-to-read, dual level LCD, with automatic shut-off.
• Features an easy-to-replace pH electrode with extendable cloth junction. Replacementelectrodes are sold separately.
• Sturdy, snap-in connector means there are no pins to bend or break.
• Comes complete with protective cap, electrode removal tool, batteries and instructions.
• Four 1.5V batteries with BEPS (Battery Error Prevention System) are included. These batteries have a life of approximately 100 hours of continuous use, with auto off after 8 minutes of non-use.
• pH and EC/TDS readings are automatically compensated for the effects of temperature.
• EC/TDS conversion factor is user selectable.
• EC Range: 0 to 3,999 µS/cm. pH Range: 0-14. TDS Range: 0 to 2,000 ppm.Temperature Range: 32F° to 140°F / 0°C to 60°C.
•Requires one each of pH 4, pH 7 anc EC calibration solutions to properly calibrate between uses. See below