ITEM NAME:3 in 1 Meter TDS EC Temperature Conductivity Water Pure Quality Pen Tester #gib Product Description Description: 3 in 1 Meter Digital TDS EC Temperature Conductivity Tester Water Purity Pen Liquid Quality Measurement Tools with Backlight Features: 1. Test items: Water quality TDS ppm (mg/L), conductivity us/cm, Celsius temperature °C, Fahrenheit temperature °F 2. Basic functions: Switch/lock button (ON/OFF/HOLD) Function: ON: In the off state, press this button to boot. Auto-off: No operation, auto-off after 2 minutes. Manual shutdown: Press the ON/OFF button 3s to shut down. 3. The function selection button (MODE): The default display test water quality total solid dissolved amount ppm; Press the function key to display the test water quality conductivity us/cm value, and then press once to display the Celsius temperature ℃, then press once again to display the Fahrenheit. Then repeat the cycle to display the above. 4. CLEAR key function: Clear. Clear the lock read and re-test. 5. Automatic test and lock reading: Clear after the insertion of water can be automatically read, according to the different water quality shows the corresponding TDS value or conductivity us/cm value. And then automatically locked. 6. Scale function: According to national standard scale. And with appropriate reference to international practice. Direct drinking water warning with reference to national standards using TDS = 40 for the dividing line. Less than 40 show green backlight, for qualified straight drinking water, more than 40 show red backlit, for non-direct drinking water. 7. Backlight function: the use of low-power backlight, easy to night and light dark place for testing use. At the same time as a direct drinking water to determine the show. 8. Large screen display: The use of high distortion STN thin liquid crystal, display 4-digit value and the corresponding physical unit. 9. TDS read range: 0-9999, identifier. Specifications: Power supply voltage: CR2032( button cell) .And then automatically locked. And with appropriate reference to international practice. Direct drinking water warning with reference to national standards using TDS = 40 for the dividing line. Less than 40 show green backlight, for qualified straight drinking water, more than 40 show red backlit, for non-direct drinking water.
