Appears transparent water really clean? Let Aestheticism® TDS water quality testing pen to tell you the truth. Placed in still water Instructions for use: Aestheticism ® TDS test pen for detecting water TDS value determines the purity of the water. Also can test water temperature and ambient temperature. Our products are widely used in water treatment industry, drinking water industry, household, personal home travel, outdoor water exploration, as well as all water quality testing Function indication: 1. Test items: water quality TDS value ppm (mg / L), Celsius ℃, Fahrenheit ℉. 2. The basic functions: · Switch button (ON / OFF / HOLD) function: Power: In the off state, press to boot. Auto Shutdown: automatic shutdown after 60s non-operation. Manual Shutdown: Press and hold (ON / OFF / HOLD) button within 2s Shutdown • Function select button (MODE): boot default display test water quality measure total dissolved solids ppm; again to display photo of ℃, press once to display Fahrenheit ℉; then cycle above. · CLEAR key functions: Clear. Clear locking readings, repeat the test. Automatic test and lock reading: cleared after reading can be automatically inserted into the water, depending on water quality show different TDS values. Then automatically locked. · Manual adjustment: the pen into the test water, press (ON / OFF / HOLD) and (MODE) to enter the manual calibration mode. The screen flashes, addition and subtraction adjusted according to the desired value, (ON / OFF / HOLD) to "+", (MODE) is "-", press (CLEAR) key to confirm when finished. · Supply voltage: CR2032 battery, DC3V; 210mAh. 3. The test range: TDS: 0 ~ 4990ppm. 4. Test accuracy: ± 2%. 5. Temperature range: (32 ~ 212 ℉) (0 ~ 99 ℃)
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