Apera Instruments GroStar Series GS4-E Replacement pH/EC Combo Probe

★★★★★ 4.5 77 reviews

$68.97
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$68.97
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Free shipping Free 30-day returns

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Product details

Management number 210900203 Release Date 2026/04/04 List Price $27.59 Model Number 210900203
Category

The replacement pH/conductivity combo probe for GroStar GS4 pH/EC/ppm Combo Pen, suitable for general water solutions

  • Replacement probe for GroStar GS4 pH/EC combo tester
  • Measures pH, conductivity (EC and PPM) and temperature
  • Combo probe built with lithium glass membrane and titanium alloy to ensure high accuracy and durability
  • double junction structure uses blue gel electrolyte without the air bubble
  • 1-year warranty
Item Weight 1.13 ounces
Manufacturer Apera Instruments
Item model number AI804G
Package Dimensions 3.11 x 1.54 x 1.34 inches

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4.5 out of 5
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77 ratings | 32 reviews
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