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Testing Items:

Water quality TDS value in ppm (mg/L), conductivity in us/cm, Celsius temperature in ℃, Fahrenheit temperature in ℉

Basic Features:

* Switch/Lock button (ON/OFF/HOLD) function:

Power on: In the off state, press this button to turn on the device.

Auto-shutdown: The device will automatically turn off after 5 minutes of inactivity since use.

Manual shutdown: Hold the button down for 3 seconds to shut down.

*Function Selection Button (MODE): By default, when turned on, it displays the total dissolved solids value in ppm for the tested water quality; pressing this button once shows the conductivity value in us/cm. Pressing it again shows the Celsius temperature in ℃, and pressing it a third time shows the Fahrenheit temperature in ℉. Pressing it once more repeats the above display.

*CLEAR key function: Reset. Clear the locked reading and perform another test.

*Automatic testing and locked readings: After resetting, simply insert it into water to obtain automatic readings. The corresponding TDS value or conductivity in us/cm will be displayed depending on the water quality. Then it is automatically locked.

*Scale function: Follow national standards for scales, with appropriate reference to international usage practices. For direct drinking water warnings, use TDS = 40 as the boundary line according to national standards. Below 40, it shows a green backlight indicating qualified direct drinking water; above 40, it shows a red backlight indicating non-direct drinking water.

*Backlight function: Utilizes low-power backlighting, making it convenient for testing in night or dimly lit environments. It can also serve as a display for detecting direct drinking water.

Purchase Instructions

Regarding invoices:All product prices on all pages are tax-exclusive. If you need an invoice, please contact the online customer service to confirm. The invoice details and specific costs must be submitted when placing the order; any request to issue an invoice without providing these details will be invalid.

About the products: By default, all products come in neutral packaging with no information about factories or brands. Our company has focused on water quality testing for many years. The products are stylish and attractive, reliable in performance, and of high quality. Please order with confidence!

Customized Products:Once a certain order threshold is reached, all products of the company support personalized customization. For detailed information, please contact our online customer service.

Shipping Time:

① Custom order; delivery will be arranged according to the mutually agreed schedule.

② For standard products, orders paid before 3 PM the same day can be shipped immediately. If there is a shortage in stock, our company will notify you via Wangwang or phone promptly.

Regarding color difference:

① All products of our company are photographed in real life, and minor color differences may occur due to lighting issues;

② Occasionally, product upgrades may occur, and due to lack of timely image updates, minor changes can occur.

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