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Apera GS1 | GroStar pH Pen Tester | pH 0.0 to 14.0, ±0.1 pH, IP67
Part Number : GS1
The GS1 is a GroStar pH pen tester with a double-junction LabSen low-impedance lithium glass pH probe for complex nutrient solution testing. It measures 0.0 to 14.0 pH with 0.1 pH resolution and automatic 1 to 3 point calibration.
Key features
- pH range 0.0 to 14.0, resolution 0.1 pH, accuracy ±0.1 pH
- Automatic 1 to 3 point calibration (7/4/10; pH 10 solution sold separately)
- LabSen low-impedance lithium glass membrane, double junction, blue gel electrolyte
- Backlight changes colour for measurement, calibration and error
- IP67 waterproof; 4 x AAA alkaline batteries
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