Тестер окислительно-восстановительного потенциала в виде ручки, ORP-измеритель

Calibration :

1.Immerse the meter in the distilled water. Activate it after a few hours. 2.Immerse the meter in the calibration solution. And stir it gently. 3.Regulate the trimmer with a screwdriver until LCD screen for 265mV. 4.Rinse the electrode with distilled water, and suck it with filter paper.

FAQ

Q : About Battery Install

A : If the meter can not be switched on or the display fades, please check the voltage of power supply (replace the batteries when the voltage is lower than 4-4.5V). Pay attention to the polarity of battery when replacing batteries.

F: Please note that the product is normal under the following conditions

A: 1: There is a white crystalline salt around the electrode. This is a normal phenomenon of the ORP electrode. Only when the electrode is immersed in clean water can it dissolve and disappear. 2: The test ORP value is generally about a few minutes to 10 minutes, waiting for the value of a stable very slow jump or jump up and down when reading the display value is measured 3: The display values ​​in ORP and air are random jumps, and it is a normal phenomenon that there is no regular change.

YIERYI brand was registered in 2016. The main products are refractometers, PH meters, tds, ec pens, soil meters, kitchen scales, and jewelry scales. In order to ensure the accuracy of the data, we gave up the low-cost chip, selected high-precision Taiwan imported and South Korea imported chips, the design chose a portable pen-type design, light, beautiful, and easy to carry. All products will be tested, calibrated and used by ourselves to ensure that the quality is qualified and then promoted. We want to let this healthy brand enter every family and every corner of the world, and pass on the dream of "world love, China made"!