GroStar™ GS4 pH/EC/500ppm/700ppm/Temp (5-in-1) Combo Pen


Main Features:

  • The pH/EC combo probe is built with a double-junction pH sensor and titanium conductivity sensor, ensuring quick and reliable readings in the long run.
  • Easy to use design and quick 2-point automatic calibration with electrode condition display.
  • 3-Color backlit LCD screen gives you clear readings in different modes even in dark environment.
  • TruRead measurement mode available for taking measurements in multiple locations and automatically displaying the average, minimum, and maximum values of all the readings.
Home Delivery - Rs 150
Sold By
FLYUP Technology - Goods & Sales Departments
Positive Seller Ratings


Ship on Time


Chat Response Rate


Direct Contact


GroStar™ GS4 pH

Apera GroStar® Series GS4 5-in-1 Combo Pen (Gen II) is a premium tester designed specifically for growers to perform professional measurements of pH, EC, 500ppm, 700ppm, and temperature. GroStar™ GS4 pH  intelligent and grower-friendly design reduces the guesswork so you can easily manage the success of your crops. Lab grade instruments designed specifically for growers!r.


How Long Does the Coverage Last?
Apera Instruments® (Apera) warrants the GroStar®
GS4 pH/EC/ppm Combo Pen Tester (Product) for a period
of 24 months for the instrument and 12 months for the probe from date of purchase by original purchaser or
consumer. Proof of purchase is required for the warranty to be effective (store sales receipt for Product showing
model number, payment and date of purchase). This warranty is non-transferable and terminates if the original
purchaser/consumer sells or transfers the Product to a third party.
What is Covered?
Apera warrants the Product against defects in material and workmanship when used in a normal manner, in
accordance with Apera instruction manuals. If Apera is provided with valid proof of purchase (as defined above) and determines the Product is defective, Apera may, in its sole discretion either

(a) repair the Product with newor refurbished parts, or

(b) replace the Product with a new or refurbished Product.

0/5 (0 Reviews)


There are no reviews yet.

Be the first to review “GroStar™ GS4 pH/EC/500ppm/700ppm/Temp (5-in-1) Combo Pen”

Your email address will not be published. Required fields are marked *

Related Product You May Need To Know

DO803 Luminescent Optical DO Probe

MP500 Temperature Probe, RCA Connector

LabSen 243-6 Glass-body pH/Temp. Electrode for Test Tubes

LabSen 251 Glass-body Spear pH Electrode

LabSen 331 POM-body pH Electrode for Wastewater, Emulsions

LabSen 333 POM-body pH/Temp. Electrode for Wastewater

LabSen 371 POM-body Flat pH Electrode for Surface Test

LabSen 863 pH/Temp. Electrode for High-temp

LabSen 823 Glass-body pH/Temp. Electrode Milk, Yogurt, Cream

LabSen 761 Titanium-body Blade Spear pH Electrode for Meats

GroStar™ Premium Pen Testers are designed specifically for the horticultural market. GroStar's intelligent design reduces the guesswork so you can easily manage your crops success.

Apply Now

GroStar™ GS4 pH/EC/500ppm/700ppm/Temp (5-in-1) Combo Pen

These boards are typically used for displaying information such as menus, advertisements, and schedules in a large, easily visible format. They are designed to be used for indoor or outdoor applications and are typically highly customizable. They can also be used for interactive applications such as touchscreens and interactive kiosks.

A LED digital board is a type of video wall consisting of individual LED screens that are arranged in a variety of shapes and sizes. The boards are often used for displaying advertising, sports scores, weather forecasts, and other realtime information. They are also used in digital signage applications, providing a visual, interactive way to communicate with customers. The boards feature longlasting LED technology and are available in a variety of sizes, resolutions, and shapes.

LED digital boards typically use a USB data card to control the board and manage content. The card can be programmed to display text, images, videos, and other multimedia content, and can be updated remotely over the internet. The data card is typically connected to the board via a RJ45 network cable.

The power supply of a LED digital board will depend on the type of board and the type of LEDs used. Generally, it can be powered by a DC voltage source ranging from 12V to 24V or an AC voltage source ranging from 110V to 220V.

Flyup Technology Hosting

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut elit tellus, luctus nec ullamcorper mattis, pulvinar dapibus leo.