Small Digital Water Testing Meter

1.Small size, portable; 2.Built-in battery, suitable for outdoor test; 3.Quick response, result accurate and reliable.
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Product Details

Small Digital Water Meter TDS Ec Temp Testing Meter TDS-039

Small Digital Water Testing Meter



TDS / EC /  ℉ / ℃  METER



Water quality analyzer

tds meter water quality

Measuring range

TDS: 0-9990ppm (mg/L)

EC:0-9990 us / cm

Temp: 0-99   or 32-212


TDS: ±2%(F.S) 

EC:  ±2%(F.S)

Temp:  ± 1 ℃ 

Auto Shut off

10 minutes





Operating Temperature


Power supply

 2*1.5V ( CR1620)


1 TDS meter 

 2 batteries (included) 

 1 manual

Applied range

TDS meter is an easy tool for testing the level of water quality, popular in water deal industry, household, travelling, and etc.

Usage Situation

TDS meter is an easy tool for testing the level of water quality, popular in water deal industry, household, travelling, and etc.

Test Item

Heavy metals, turbidity, total hardness, dissolved oxygen, TDS

Small Digital Water Testing Meter

Instructions for the TDS meter:

1. Remove the protective cap.
2. Press the ON/OFF button once out of the water. The tester will read "000" 
3. Immerse the tester into the water no more than 2 inches.
4.Wait for the display to stabilize. The tester automatically compensates for temperatures variations. Once the readout stabilizes (10-30seconds), press the HOLD button to view out of the water. 
5.The meter default mode is the TDS measurement.Press the MODE button to cycle to EC measurement(us/cm),press again to cycle to ºC measurement,press once again to cycle to ºF measurement.
6.Press the ON/OFF button again to turn off the tester. The tester will shut off automatically after 10 minutes of non-use.
7.After usage, shake off the water from your tester or wipe it with a tissue.
8.Do not touch the metal probes.Clean the probes with rubbing alcohol and a cotton swab.
Note: If the tester displays a flashing"X10"icon, multiply the reading by 10.
Important: do not drop the entire tester in the water or dip beyond the maximum 2" level. 
This product is not waterproof. Do not use it in hot water.

Changing the batteries:
when the meter cannot be switched on or the display fades,pull out the battery compartment and replace all two 1.5V batteries,while paying attention their their polarity.batteries should only be replaced in a safe area using the battery type specified in this instruction manual.

Your meter has been factory calibrated to 324 ppm, which is suitable for most applications.

Re-calibration may be necessary from time-to time, depending on usage.


The normal package is carton box, it also can be packaged according to customer’s special request.

Small Digital Water Testing Meter

About Us

Founded in 2008, Hangzhou Lohand Biological Technology Co., Ltd. Is a company that designs, develops, produces and sells water quality rapid test strips, reagents and precision testing instruments. It is located in Jianggan Science and Technology Park and relies on Zhejiang University Food Science and Technology Park and the West lake Science and Technology Park, focusing on technological innovation, has obtained a number of patents and produces provide customers with professional, fast, affordable and simple testing products and services to create a new history of water quality monitoring.

In the course of ten years of development, we have been constantly working hard in this field, and constantly improving product functions, testing accuracy, dedicating to environmental water quality monitoring and rapid monitoring of product development. The products developed and produced mainly include COD, ammonia nitrogen, total phosphorus, total ammonia integrated machine, miniature COD reactor, water quality monitoring electrode, digital refractometer, etc. Most of the company’s products have obtained CE certification; widely used in domestic environmental protection bureaus, industrial enterprises, university research institutes, food manufacturing enterprises; especially electrochemical testing products have been sold at domestic and foreign.

We sincerely welcome domestic and foreign merchants to achieve win-win cooperation, common development and create brilliant!


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