The Extech EC500 ExStik II is a versatile and waterproof meter that accurately measures five essential parameters: Conductivity, TDS, Salinity, pH, and Temperature—all with a single electrode. Designed for both convenience and performance, this meter features a high-accuracy multi-ranging sensor and an analog bar graph display for real-time trend visualization.Ideal for laboratory, environmental, and industrial applications, the EC500 includes memory storage for up to 25 labeled readings and incorporates a RENEW feature to notify users when the electrode needs replacement. The meter also supports automatic power-off functionality, which can be disabled as needed.What's Included: 1 - Meter Electrode 1 - Protective Cap 1 - Sample Cup 4 - 3V Cr-2032 Batteries 1 - 48" (1.2M) Neckstrap Features Multi-Parameter MeasurementMeasures Conductivity, TDS, Salinity, pH, and Temperature using one convenient electrode.Multiple Units of MeasureOffers nine units including pH, µS, mS, ppm, ppt, mg/L, g/L, °C, and °F for comprehensive readings.Analog Bar Graph DisplayVisualizes measurement trends in real-time for easy monitoring.Memory StorageStores up to 25 labeled readings for data logging and comparison.Customizable Measurement RatiosAdjustable Conductivity to TDS ratio from 0.4 to 1.0 and fixed 0.5 Salinity ratio ensure precision.Electrode Replacement NotificationRENEW alert lets users know when the electrode needs to be changed.Waterproof HousingDurable construction suitable for wet environments and field use.Auto Power-Off with DisableConserves battery life while allowing the option to keep the meter continuously powered. What's Included Included with Your Purchase: 1 - Meter Electrode 1 - Protective Cap 1 - Sample Cup 4 - 3V Cr-2032 Batteries 1 - 48" (1.2M) Neckstrap Specifications Parameters Measured: Conductivity, TDS, Salinity, pH, Temperature Measurement Units: pH, µS, mS, ppm, ppt, mg/L, g/L, °C, °F Memory Capacity: 25 labeled readings Display: Analog bargraph Conductivity to TDS Ratio: Adjustable from 0.4 to 1.0 Salinity Ratio: Fixed at 0.5 Auto Power-Off: Yes, with disable option Power Supply: 4 x 3V CR-2032 batteries Neckstrap Length: 48 inches (1.2 meters) FAQ Q: Can I measure all 5 parameters without changing the electrode?A: Yes, the EC500 uses a single electrode to measure Conductivity, TDS, Salinity, pH, and Temperature.Q: How many readings can the meter store?A: It can store up to 25 labeled readings in memory.Q: Does it notify when the electrode needs replacement?A: Yes, the built-in RENEW feature alerts users when replacement is necessary.Q: Is the device waterproof?A: Yes, it is designed with waterproof construction for use in wet environments. Resources Documents: Extech EC500 Exstick II pH/Conductivity/Temperature Meter Datasheet Extech EC500 Exstick II pH/Conductivity/Temperature Meter Manual