GroStar™ GS4 pH/EC pocket meter


Plus 19% MwSt. DE
SKU: 28APE190352 / AI21040 Categories: , , , , , Tags: , , ,

The GroStar GS4 Premium combination meter was specially developed for measuring pH/EC/temperature. Its rugged design makes the meter ideal for use in your garden. Whether professional measurements or values for the hobby gardener, its high-precision components and ease of use will help you quickly find your way around and increase the efficiency of your plant growth.

Features of the GS4 Premium combination meter:

  • pH value, conductivity (EC and 500ppm/700ppm) and temperature (5-in-1)
  • Compatible with all GroStar replacement electrodes: pH, pH-soil measurement, EC and PH/EC- combo
  • Premium electrode technologies and materials ensure high accuracy and durability with minimal maintenance
  • Easy to use design and quick calibration setting
  • Replaceable electrode so you don’t have to replace the entire meter when the electrode stops working
  • Large 3-color backlit screen gives you clear information
  • Durable structure, IP67 waterproof classification
  • Powered by AAA batteries with auto-off function
  • Automatic temperature compensation

The GroStar GS4 Premium combination unit has a 2-year manufacturer’s warranty (1 year on the electrode).

Technical Specifications

pH Measuring range 0.0 to 14.00
Resolution 0,1
Accuracy ±0,1
calibration Automatic 1 to 3 point calibration
EC Measuring range 0 to 10.0 EC,

0 to 7000ppm (700ppm),

0 to 5000ppm (500ppm),

Resolution 0.1EC,

10ppm (700ppm),

10ppm (500ppm),

Accuracy ±0.1 EC

±30ppm (500ppm)

±40ppm (700ppm)

calibration 1 point (2.77 EC)
Temperature Temperature compensation 0 to 50 °C (automatically)
Resolution 0,1 °C
Accuracy ±1 °C
more Power supply 4 × AAA batteries
Housing protection class IP67 (waterproof and floatable)
Dimensions 40×40×178 mm (with box 275×135×45 mm)
Weight 133 g (with box 450 g)

Scope of delivery

A complete set contains:

  • GS4 pH/EC pocket meter
  • Calibration solutions (pH 7.00/pH 4.00, 50 ml each)
  • Calibration solution (2.77 EC, 50ml)
  • 3M KCl storage solution (10ml)
  • Lanyard
  • manual


German GS4 DE
English GS4 EN
Italian GS4 IT