YIERYI 4 in 1 PH/TDS/EC/Temperature Meter Digital Water Quality Monitor Tester for Pools, Drinking Water, Aquariums

4 in 1 TDS/PH/EC/Temperature Meter

► Measuring range: pH:0.00-14.00pH; TDS: 0-19990ppm; EC: 0-19990muS/cm

► Resolution: 0.01 pH; 1ppm; 1muS/cm; 0.1℃; 0.1degF

► Accuracy: pH: +/-0.01 pH; TDS/EC: +/-2%; Temp: 0.5℃

► Batteries: 3 * 1.5V LR44 button cell (not included)

►Temp.: 0.1-60.0℃; 32.0-140.0degF

►Calibration: pH: three points automatic calibration (6.86 & 4.00 & 9.18pH); TDS: 1413muS/cm; EC: 1413muS/cm

►Auto shut off: 5 Minutes

Automatic Correction Function

Product Operation Steps

About after-sales service

packing list

1*tester
3*ph power buffer
1*English manual

FAQ

Q1: Does the product include batteries？What is the batteries number?

A1: Products shipped from overseas warehouses in Russia will include batteries. If shipped from China, batteries will be removed and sent. The battery model is LR44, which can be purchased from local stores

Q2: when will this devices need to be recalibrated？

A2: The product shall be corrected before leaving the factory. If the error is found to be large, it shall be corrected. For example, the ph of the measured tap water is generally between 7-8, which means no correction is needed

Q3: What if the quality problem is found?

A3: Please contact the customer in the first time, and explain the problem. If the quality problem is found within one week after receiving the product, we will provide free return and replacement of the product

packing list

1*tester
3*ph power buffer
1*English manual

YIERYI

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”!