HANDHELD METER KIT AP84 PH/TEMP/DISSOL ved oxygen,waterproof, dual LCD, case, pHelectrode, DO/temp probe, electrolyte & pH buffer solutions, membrane caps, 4 x AAA batteries 0.5kg pH range -2 to 14, DO range 0 to 20mg/L(ppm)

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HANDHELD METER KIT AP84 PH/TEMP/DISSOL ved oxygen,waterproof, dual LCD, case, pHelectrode, DO/temp probe, electrolyte & pH buffer solutions, membrane caps, 4 x AAA batteries 0.5kg pH range -2 to 14, DO range 0 to 20mg/L(ppm)