TDS-3 Tester EC Meter Water Quality Measurement Test Tool White

$6.79 USD $11.99 USD

The 3-in-1 TDS Tester EC Meter Water Quality Measurement Test Tool offers a quick and easy way to know the purity of liquids so you can tell whether the water...

The 3-in-1 TDS Tester EC Meter Water Quality Measurement Test Tool offers a quick and easy way to know the purity of liquids so you can tell whether the water you are drinking or using is acceptable for the application. It tests the amount of total dissolved solids (TDS) in the liquids in the range of 0-9990ppm at a high accuracy of F.S, ideal for a wide variety of household or laboratory applications. High-grade electrode probe is sensitive enough to deliver accurate results. Easy-to-read digital display adds more convenience. Portable pen shaped design makes it easy to carry. Click and order now!

How to use it:
1.Please unplug the electrode 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.

1.Keep the electrode clean ,cover the electrode protective sleeve,please take out the batteries for long periods idle.
2.EC unit is mS/cm, the normal range of EC is between 1-4mmhos/cm(or mS/cm)1ms = 1000 us, so 400 uS/cm =0.4mS/cm, it is means 0.4EC.
3.TDS shows 0~9 pure water, 10~60 is Mountain spring water, mineral water, 60~100 is purified water, 100~300 is running water, over 300 is contaminated water.

  • Provides accurate and reliable test readings: 3-In-1 Digital TDS meter provides accurate readings for TDS (Total Dissolved Solids) EC (Electrical Conductivity) and temperature. Professional, Accurate, and Precise 3-in-1 TDS, EC, and Water Temperature Meter. The TDS meter has automatic temperature compensation in measurement mode. 9 minutes no operation, the meter will automatically shut down. Save power, extend battery life.
  • Multi-mode conversion: TDS EC meter instrument a total of 4 different modes, press the SHIFT key can be converted between different modes. Mode memory function, each boot mode is the default mode used before the shutdown.
  • Locks your reading making it easy to record: Large, easy to read LCD screen and data-hold function makes reading and recording a snap. "HOLD"? automatic locking, "SHIFT" automatic conversion, 5 minutes Automatic locks.Press the SHIFT key while the value is locked to view the measurement results for the different modes. The measurement time is rapid, due to the exquisite naked type sensors, 5 seconds complete.
  • Pocket Size: TDS meter is a professional water level test instrument, the operation is simple, the appearance of fashion, small size and easy to put in your pocket! For today??s market volume is the smallest, lightest portable. Reasonable design, pen electrode can be directly inserted into the water solution, measured it.Compact size that enable you to take anywhere.
  • Widely Use: Ideal for all water quality testing, water purification applications, waste water regulation, aqua culture,hydroponics, laboratory and scientific testing, pools, ecology testing, colloidal silver, water treatment and more.Allow you to tell whether the water you are drinking or using is acceptable for the application.
Type Tester Pen
Material ABS & Electronic Component
Battery Type LR44 Button Cell Battery
Dimensions (5.91 x 1.42 x 0.63)" / (15 x 2.9 x 1.6)cm (L x W x H)
Weight 1.45oz / 41g
Color White
Measurement Range Within 0-9990ppm
Temperature Range 0-80¡æ
¡À2% F.S
Powered by 2 x LR44 Button Batteries(Included)
Package Includes
  • 1 x Tester Pen
  • 2 x LR44 Button Batteries
  • 1 x Bilingual User Manual in Chinese and English
Package Includes


  • Please allow 1-3mm error due to manual measurement. Please make sure you do not mind before you bid.
  • Due to the difference between different monitors, the picture may not reflect? the actual color of the item. Thank you

Shipping Methods

We offer shipping service for all items online to most countries of the world. Orders are shipped directly from our warehouse in CN, in plain brown boxes with envelopes.

When in stock, Shipped within 2 working days; Out of stock, Shipped within 3-7 working days. Exculde big holidays and irresistible factors.

We do everything we can to make sure your order is delivered on time.

Kindly remind:

1.Starting from 11-12-2020, the freight rate will be adjusted as follows:

Order amount over $30, free shipping;

Less than $30, charge $2 -$4.5 shipping fee

Conditions Shipping Fee Services Offered
US$30.00 and up Free Tracking
US$0.01–US$29.99 $4.5 Tracking
US$10.00–US$29.99 $2
No Tracking
US$0.00–US$9.99 $2.8
No Tracking

2. If masks and other epidemic prevention supplies are requisitioned by the local government during transportation, no refund will be given. Thank you for your understanding!

 Delivery Time

Ship From Shipping Method

Delivery Time

(working day)

Additional fee
China Warehouse Tracking 20-45 $4.5
No tracking 45-60 $2~$2.8

Tracked Shipping

Note: Delays may occur during this holiday season due to large volume of deliveries. This means it can take an additional 1-4 weeks in the delivery time. If you don't want to risk your orders being delayed, reply to this email within 24 hours of your purchase and let us know that you want to cancel.
You must be aware that delays can occur due to holidays and unforeseen events.

Orders are sent out through regular shipping. If you wish to have them sent with insurance coverage or through express delivery, email us first at before purchasing. We will give you the quotation.

Out of Stock Items

While we make every effort to keep all listed merchandise in stock, occasionally we are sold out of a certain item. If we are out of stock on an item you have ordered, we will send you an email update as quickly as possible. It will then be your choice to proceed and keep the order in place or cancel it. Items are not charged to your credit card until they are shipped.

We can not cancel your order when it's already shipped.

We use 3rd party couriers to deliver the orders. If you purchase with us you understand that there's risk of parcels getting lost. We only refund orders that have proof that they were not received.

We use 3rd party tracking systems to track orders and if the website states that your order was delivered then we will go by it. Only when the state, city or zip code from your tracking number is not consistent with your inputted shipping details, we will offer the refund. No exceptions.


If the product you received is damaged or incorrect , please contact us in a timely manner with related photos or a specific video. You could request either a full refund or a replacement item once our factory confirm that. 
Customers will only be charged once at most for shipping costs (this includes returns); No-restocking to be charged to the consumers for the return of the product.

All return requests for unwanted items must be made within 14 days of receiving the order. Kindly keep it neat and in its original packaging.
If you need to return an item, simply email us including your order number, reason for return and it would be great if related pictures could be attached. We will then provide you with instructions and a return address to ship your set back. All returned items will be inspected to see if you qualify for a refund.

You should expect to receive your refund within three weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (1 to 3 business days), and the time it takes your bank to process our refund request (3 to 5 business days).

Should you have any further concerns, feel free to email us at We're here to help!