PH-618 2 point calibration digital ph water tester

• waterproof
• Replaceable ph electrode
• automatic shutoff
• high accuracy
• Product description: 2 point calibration digital ph water tester PH-618 Range: pH 0.00-14.00, Temperature 0℃-50℃(32°F-122°F) Resolution: pH 0.01PH, Temperature 0.1°C (0.2°F) Accuracy: ±0.1pH, Temperature ±1.0°C Batter
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