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Quick Details

  • Place of Origin: Shandong, China (Mainland)
  • Brand Name: Runjie
  • Model Number: EZ-01
  • Name: tds&ec meter
  • Application: water quality tester
  • Certificate: CE ISO Rohs
  • Color: white
  • Accuracy: 2%
  • Tds range: 0-9990 ppm
  • Electrical conductivity: 0-99990us/cm
  • battery: 2*1.5V
  • Auto shut off: 5minutes

Packaging & Delivery

Packaging Details neutral carton package
Delivery Time Shipped in 5 days after payment
Product Description





Use steps:

1. Please unplug the electrode protective sleeve before use

2. Press the switch, place the electrode into the test solution

3. After the numerically stable, press the HOLD button and take it out of the solution to read.

4. After reading ,turn off the meter ,wipe clean the electrode before sleeving it.


Shift between TDS & Conductivity:

The factory default TDS data, if the conductivity data of the solution is needed , please touch the SHIFT button, the instrument automatically shifted


Automatic temperature compensation:

The instrument with automatic temperature compensation function under measurement mode.


Temperature shift:

Continuous touch the SHIFT button twice, degrees Celsius and degrees Fahrenheit conversed, the factory default degrees Celsius



Keep the electrode clean, cover the electrode protective sleeve, please take out the batteries for long periods idle.  



Product warranty life time from the date of purchase

The following situations are not in the range of warranty, damage caused by misemploy (battery leakage, water into circuit boards etc.) physical abuse, the label tore



1. The instrument is a professional instrument, please under professionals instructions in order to avoid instrument failure

2. Avoid heat, direct sunlight

3.Please adopting standard buffer solution calibration, incorrect calibration would cause measurement error, thus affecting the accuracy of the test solution, or cause the instrument not working properly.

4 . Do not thrown the instrument into the test solution to  

avoid the circuit board short circuit.



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Company Information


Good service
The customer is the god.We will be dedicatedly to provide the best service to each of our customer.Focus on producting the best quality goods and best after­­-salea service.You can contact with us in any time if you have any doubt or needs,it will be solved within 24 hours.Also provide the products OEM/OEM service.

Quality control
We have the professional and strict quality control system,has pass the ISO 9001 certification of CE. ROHs.etc. With long time warranty of 1~3 years depengding on the different products. Any quality problems during the warranty time.we promise to the repair or replace a new one for you.

More experiences
Runjie is specialized in all kinds of water qiality analyser,testing meter,measure tools,water purifier parts for 6 years. We have the most experienced and the products experted to many countries all over the world,expecially to the Europe,America and the Middle East,because the high quality and competitive price.







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