Generic EZ-9909A 5 In 1 TDS/EC/pH/Salinity/Temperature Meter, Digital Water Quality Monitor Tester, Suitable for Pools, Drinking Water, Aquariums

Features:
Digital pH tester has the functions of monitoring TDS, pH, salinity, EC meter, and temperature measurement. TDS measurement range: 0-1000ppm, EC measurement range: 0-10000US / cm, PH measurement range: 0.01-14.00pH, salinometer measurement range: 0.00-25.00%, temperature conversion function.
High-accuracy algorithm chip and electrode of our digital water ph tester ensure an accurate and fast response. When the measured value is stable, just press the HOLD/TEMP key to lock the measured value and take it out for viewing, which is really simple.
A digital PH meter can detect the salinity of edible salt. At the same time, it can detect the salinity of seawater. Food salinity measuring range: 0.00-25.00%, seawater salinity measuring range: 10.1-200.0ppt.
PH tester has a backlight LCD that helps you clearly see the measurement in any case. The automatic power-off function turns off the power after 5 minutes without any operation to save power. Employs a fully transparent liquid crystal (LCD) to display 4-digit values and the corresponding physical quantity units.
Temperature can affect reading levels, Digital PH Meter for water hydroponics has an even better range of 0 °C-60 °C (32 °F-140 °F), automatic temperature compensation can ensure that you are getting the best reading, so you can test with confidence in any environment.
Note: Every time you use this, you will need to clean the electrode.
Calibration:
Conductivity EC: Supports 3-point calibration automatic identification (1413us 12.88ms and 111.8ms) with 3 calibration points (1413uS/cm 12.88mS/CM 111.8mS/CM)
pH: 1 point (6.86) or 2 points (6.86 4.00) (6.86 9.18) or 3 points (6.86 4.00 9.18) can automatically identify the calibration solution

Packing list:
1 * Meter Digital Water Quality
1 * English manual