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CD-4307SD |
SD card data recorder, Conductivity/TDS Salt meter, RS-232/USB |
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PSA-311 |
salt, ATC, meter with probe, hold, record, water resistance |
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WA-2017SD |
SD card data recorder, pH/ORP, DO, CD, TDS, Salt meter, ATC, RS-232/USB |
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YK-31SA |
Salt meter, 0 to 10% salt (% weight) |
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