GroStar™ GS4 pH/EC Pocket Tester + ORP Electrode

262.99 €

inkl. 19% MwSt., plus shipping

Available on backorder

Guaranteed Safe Checkout

The GroStar GS4 Premium Combo Meter was specifically designed for measuring pH, EC, andtemperature. Thanks to its rugged design, this meter is ideal for use in your garden. Whether you’re conducting professional measurements or monitoring values as a hobby gardener, its high-precision components and ease of use will help you get up to speed quickly and boost the efficiency of your plant growth.

GS4 set additionally includes the GroStar™ GS5-E ORP electrode (platinum sensor, double diaphragm). The device detects the ORP electrode and automatically switches to ORP mode.

Features of the GS4 Premium Combination Meter:

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

The GroStar GS4 Premium Combination Meter comes with a 2-year manufacturer’s warranty (1 year on the electrode).

Our brochure:

German GS4 Brochure
English GS4 Brochure
Weight 0.6 kg
Dimensions 27 × 13.5 × 4.5 cm

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 compensation Temperature compensation 0 to 50 °C (automatic)
Resolution 0,1 °C
Accuracy ±1 °C
Other 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)

ORP electrode

ORP Measuring range -1000 to 1000 mV
Diaphragm Double diaphragm
Sensor type Platinum
Reference electrode Ag/AgCl
Electrolyte Gel KCL
temperature Measuring range 0 to 50°C (32 to 122°F)
Temperature sensor 30KΩ thermistor
Other Housing Polycarbonate
Dimensions 75×35×35 mm

scope of delivery

A complete set includes:

  • GS4 pH/EC Pocket Tester
  • GS5-E ORP electrode
  • Calibration solutions (pH 7.00/pH 4.00, 50 ml each)
  • Calibration solution (2.77 EC, 50 ml)
  • 3M KCl storage solution (10 ml)
  • Carrying strap
  • Manual

manual

German GS4 DE
English GS4 EN
Italian GS4 IT

Videos