Buy low cost ph meter:DMA110 DMA110, low cost ph meter, ale: 0~14pH, 2.Output:4~20mA, 3.Temperature:0-100C, libration:2 points: Zero set, slope set. ... It’s especially suitable for serious industrial scene with strong interference. Technical parameter: DMA110 analyzer parameters. Power supply: 100 ~ 240 VAC 50/60Hz.
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