Apera Instruments GroStar Series GS4-E Replacement pH/EC Combo Probe
Special Features
- 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
Description
The replacement pH/conductivity combo probe for GroStar GS4 pH/EC/ppm Combo Pen, suitable for general water solutions
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