KEDUODUO Digital TDS Meter Pen - Portable Water Quality Tester for Drinking Water, Aquariums, Hydroponics & Pools | EC Conductivity & Fertilizer Concentration Monitor

★Welcome to our shop★We are a professional manufacturerWe are committed to providing you with quality products and quality services.Product name: Salinity meterTDS measurement range: 0-9999 ppmEC measuring instrument range: 0-9999 us/cmTemperature measurement range: 0-80 degrees Celsius (32.0-176.0 dF)Accuracy: -/+ 2%Battery: 1 CR2032 (included), 3V, can be used continuously for 1000 hoursProbe: Titanium alloy electrode probeProduct size: 154x30x14 mmWeight: 55 gramsApplicable to: drinking water, water storage tank, washing machine, swimming pool inspection, washing vegetables and fruits, natural water, flower fertilizer, fish farming, pure alcoholGuideline0-100 ppm ------- ideal drinking water100-500 ppm------ acceptable tap waterMore than 500 ppm --- bad conditionTDS water hardness standard0-89 ppm --------- 0-4 dh (strongly soft water)90-159 ppm ------ 5-8 dh (soft water)160-229 ppm ----- 9-12 dh (medium hard water)230-339 ppm ----- 13-18 dh (medium hard water)340-534 ppm ------19-30 dh (hard water)535 ppm or more --- 30 dh or more (strong water)Package:1* Salinity meter (without battery)■ Tips:◆ Due to problems such as light and display, the color difference of the product is normal.◆ If you have any questions about the product, please leave us a message and we will reply you within 24 hours.

★Suitable for home and laboratory salinity testing applications, including drinking water, swimming pools, ponds, beer brewing, aquariums, hydroponics, laboratories, food processing, etc.

★Backlight design. Don't worry about not seeing the display value when the light is insufficient. The LCD with green backlight helps you to see the measurement results clearly under any circumstances.

★The automatic shutdown function turns off the power after 5 minutes of inactivity to save power. Adopt fully transparent liquid crystal (LCD) to display 4-digit value and corresponding physical quantity unit.

★Easy to use: Drop 2-3 drops on the saline prism, face the light, and then obtain accurate readings through the optical eyepiece, which is very suitable for replacing poor quality and difficult to read hydrometer refractometers

★The salinity refractometer with automatic temperature compensation allows you to obtain accurate readings more easily and quickly. Made of aluminum body and ABS rubber, it is light and strong.