VIVOSUN PH Meter Digital PH Tester Pen for Water
VIVOSUN PH Meter Digital PH Tester Pen for Water
VIVOSUN PH Meter Digital PH Tester Pen for Water
VIVOSUN PH Meter Digital PH Tester Pen for Water
VIVOSUN PH Meter Digital PH Tester Pen for Water
VIVOSUN PH Meter Digital PH Tester Pen for Water
VIVOSUN PH Meter Digital PH Tester Pen for Water

VIVOSUN PH Meter Digital PH Tester Pen for Water

Free 2 Day Shipping
Regular price $38.99 Sale price$25.99 Save $13.00

  • In stock, ready to ship
  • Inventory on the way

VIVOSUN PH Meter Digital PH Tester Pen for Water



  • Ideal for residential or commercial use, water, pool, spas, liquid food, laboratory, aquaculture and hydroponics.
  • Advanced technology makes the test result fast and accurate.Easy calibration (pH4.00, pH6.86).
  • Pocket size, lightweight, high quality.
  • With Automatic Temperature Compensation (ATC). Adjust to water temperature and give pH reading almost instantly.
  • What You Get: VIVOSUN pH meter, user manual, 2 x 1.5V button cells (built in), 3 x pH buffer powders, 1-year warranty and friendly customer service.

Product Description

Love what you grow

VIVOSUN provides you with the premium hydroponics equipment.

  • Pocket Size
  • High Quality and Durable
  • Easy to Use

VIVOSUN pH Meter: A Digital pH Tester Pen for Water

How to Use? Step 1: Remove the protective cap Step 2: Clean the electrode in distilled water and let it dry Step 3: Turn the meter on by pressing the ON/OFF key Step 4: Immerse the pH meter electrode in the solution you want to test Step 5: Stir gently and wait for the displayed pH to stabilize Step 6: After finishing, clean the electrode in distilled water and turn the meter off by pressing the ON/OFF key

  • Don't touch the electrode with fingers or abrasive, hard tools. Always replace the protective cap after use to keep electrode from drying out.
  • Clean the electrode before and after each use.
  • If the meter cannot seem to be turned on or the display seems to fade, open the battery case and replace the battery (pay attention to polarity), then recalibrate the meter.

Focus on details

Product Features

  • Measure Range : 0.00 - 14.00 pH
  • Resolution : 0.01 pH
  • Accuracy : 0.05 pH
  • Calibration: Two Points Automatic Calibration Button
  • Power Supply: 2 x 1.5V LR44 Button Battery (keep using more than 500 hours)
  • Dimension: 155 mm * 31 mm * 18 mm
  • Weight: 50 g

Function Test PH, TDS, EC, Temp Value Test PH, TDS, Temp Value Test PH, TDS, EC, Temp Value and Soil Mositure, PH, Light Value Test PH, TDS, EC, Temp Value and Soil Mositure, PH, Light Value Test Moisture, pH and Light Value Test soil pH, moisture and light value
Material LCD dispaly LCD display LCD Display, metal probe LCD display, metal probe metal probe metal probe
Dimension 6.1x1.22 in 7.2x1.5 in 6.1x1.22 in, 10.8 in 6.1x1.22 in, 10.8x1.8 inch 10.8x1.8 in 10.8 in
Battery No No
Certification UL, CE CE UL, CE UL, CE CE CE
Application home&kitchen, hydroponics, lab. home&kitchen, hydroponics, lab. gardening, planting, home, labs gardening, planting, home, labs gardening, planting gardening, planting

Package Includes:

  •  One (1) VIVOSUN PH Meter Digital PH Tester Pen for Water 


This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Our awesome teams ship directly to you from over 80+ warehouses worldwide. If you should have any questions regarding shipping please contact us before placing your order, as we cannot accept cancellations due to warehouse locations.



What payment types do you accept?

  • We currently accept Visa, MasterCard, American Express, Discover, and PayPal.

Is it safe to use my credit card on your site?

  • Yes! The safety of your personal information is very important to us. For your security, we do not store your credit card information. We use a wide array of the best-in-class electronic and physical security measures and devices to protect your personal data and credit card information from unauthorized access.

What’s a Security Code?

  • Security codes, sometimes called card verification (CCV) data, are the digits (usually 3) on the back of your credit card. For cardholder security, we ask you to input these digits during checkout

Why can’t I check out?

  • There are a few reasons why you may not be able to complete checkout. Here are some solutions:
  • Credit Card Number or CCV: Double check that your credit card number has been properly entered, ensuring that no spaces are between any of the numbers.
  • Zip Code/Billing Address: Take a second look at your zip code, ensuring that you’ve input it properly.

How do I know my order went through?

  • You know you have successfully placed an order when you get to the Order Confirmation page, which will list your order number. You will also receive an email confirmation of your order.

Can I cancel my order?

  • As long as your order is still processing, we will do our very best to cancel your order once you have contacted us. Due to our goal to process orders as soon as we receive them, we cannot guarantee an order can be canceled once it is placed. If you’d like to cancel your order, please contact us via email at

​Are there any hidden or surprise fees or charges?

  • On purchases, you will pay for the cost of the items you order plus any applicable taxes, and that's it!

Why do I sometimes see different prices for the same item?

  • Our insider's list emails and site homepage display the lowest listed price for a given product. Some products are available in different sizes, colors, styles, or other options that may be listed at higher prices. For example, a set of twin-size bed sheets may cost less than that same set in king-size.

My question isn’t answered here. How can I get in touch with someone at Overhalfsale?

  • If you have any questions or concerns that were not addressed in this FAQ or on our Policies or About Us pages, please feel free to contact us via email at

Where do you ship from?

  • Our awesome teams ship directly to you from over 80 warehouses worldwide.  Our main warehouse is located in Hong Kong.

How much does shipping* cost?

  • All items ship to you for free throughout the US**.  International shipping is $6.99*

How do packages ship?

  • It depends on what you're ordering. Each supplier has a contract with the carrier of their choice, so it could be USPS, UPS, FedEx, etc. 

How long will it take to receive my order?

  • We ship from across the U.S so shipping times vary. In most cases, your order is processed within 2 business days.  We do ask that you allow up to 2 to 5 business days total for your order to be shipped and delivered, just in case there are any unexpected delays.  Please refer to the Shipping page for additional information. 

Will I receive a tracking number for my order?

  • Yes! When your order ships, you will be either emailed or sent a text message with a tracking number as long a valid email address or phone number is included in your order. Please note, it can take up to a week for that tracking number to appear on the carrier’s website.

Can I upgrade my shipping?

  • At this time, we can only offer free standard shipping. We understand you would like to receive items quickly, so we process your order immediately to make sure it arrives as soon as possible.

What if I order multiple items? Will they ship together?

  • Not necessarily, as we deal with hundreds of suppliers across the country and throughout the world. Your items will likely ship separately.




Do I have to pay for shipping back to Overhalfsale when I return an item?

  • FREE RETURNS! HASSLE-FREE! Read more about our AWESOME return policy here

How long do I have to return an item?

  • For most items, you have 30 days from the receipt of delivery to make a return eligible.  For more details please see our Returns page.



Recently viewed