GS4-E pH/Conductivity Electrode for GroStar GS4

GS4-E pH/Conductivity Electrode for GroStar GS4
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Order-No.: 28APE190356 72,00 € for 1 piece plus VAT (19%) plus shipping costs

The GroStar™ GS4-E electrode is the replacement electrode for the GroStar™ GS4 pH/Conductivity Pen Tester.

  • Measures pH, conductivity (EC, 500ppm, 700ppm) and temperature.
  • The pH sensor is equipped with a lithium glass membrane and a double diaphragm, which makes it particularly durable and ensures precise pH measurements.
  • The titanium alloy conductivity sensor is characterized by its high measuring accuracy and reliability.
  • Can be attached quickly and easily without additional tools.
  • Compatible with the GS4 from the GroStar™ series.


Technical Specifications:

pH Measuring range 0 to 14
Reference electrode Ag/AgCl
Diaphragm Double diaphragm
Sensor type Lithium glass membrane
Electrolyte Gel KCl
Conductivity Measuring range 0 to 10 mS/cm
Cell constant K=1
Sensor type Titanium alloy
Temperature Measuring range 0 to 50°C (32 to 122°F)
Temperature sensor 30KΩ thermistor
More Housing Polycarbonate
Dimensions 75×35×35 mm


This electrode has a 12-month manufacturer's warranty.

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(-) Technical data:
Product type description: pH-/Leitfähigkeit-Elektrode
Reg. Trademark: GroStar®
Diameter: 35 mm
Length: 75 mm
Maximum pH-value measurable: 14
Shaft material: Plastic
Reference electrolyte: Gel
Type of thermocouple: NTC
Integrated thermometer: Yes
Temperaturesensor type: NTC
(-) Compliance information:
WEEE obligation: Yes
WEEE registration number: DE 28154958
WEEE brand according to EAR register: APERA Instruments (Europe) GmbH
WEEE type of equipment: Small equipment, that can be used in private households

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