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PH-220W PH meter (pen)'s video

36 plays · 2016-04-05
Videos > PH Meter > PH-220W
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QiWei PH-220W PH meter (pen)
Product description
PH-220W pen pH meter is an external electrode, suitable for tap water source monitoring, and the measurement accuracy is 0.01pH.
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[Statement] The video is for users' reference. Due to product upgrade or shooting level, please refer to the final physical object