Bluelab pH Pen

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A hardy, compact pH and temperature pen Perfect for quick and easy pH and temperature readings direct from your solution Features Fully waterproof - not just water resistant Simple two-point calibration process for accuracy One-year peace-of-mind warranty Automatic temperature compensation for accurate readings everywhere Auto-off function to extend battery life 1 AAA battery included - simply power on and go Technical Specification Automatic Temperature Compensation: YesOperating Environment: 0 – 50 ̊C / 32 – 122 ̊FMeasurement Resolution: 0.1 pH, 1 ̊C / 1 ̊FMeasurement Range: 0.0 – 14.0 pH, 0 – 50 ̊C / 32 – 122 ̊FMeasurement Accuracy: ± 0.1 pH, ± 1 ̊C / ±2 ̊FCalibration: pH requires two point, pH 7.0 & pH 4.0 or pH 10.0Power: 1 x AAA alkaline batteryCE Compliance: YesFCC Compliance: YesRoHS Compliance: Yes Other specifications:Warranty: 1-YEARCountry of Origin: New Zealand More Product Information PENPH User Manual - English Product Warranty Period Details 1-YEAR LIMITED WRITTEN WARRANTY Comes with a 1-year limited written warranty. Proof of purchase required. Show more