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Redox-Test Solution 240 mV@20°C, 500 ml
EC/TDS Meter
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Standard-Leitfähigkeitslösung 12880 µS/cm, 3.78L Kanister (Gallone)
฿963.00
Calibration Solution 12880 µS/cm for Calibration, 500 ml
฿963.00
Conductivity Solution 1413 µS/cm for Calibration, 500 ml
฿1,391.00
EC Value @25°C 1413 µS/cm Size 500 mL Package 1 bottle FDA Bottle No Certificate of Analysis Yes
EC/TDS Solution
฿963.00
Standard-TDS Calibration Solution 1382 ppm, 500 ml
EC/TDS Meter
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Calibration Solution 84 µS/cm for calibration , 500 ml
HI706 Checker HC ® - Phosphorous, HR
HI4005-53 Carbon Dioxide membrane kit (3 caps)
เครื่องวัดปริมาณคลอรีนอิสระ รุ่น HI701
HI3131B - Refillable Combination ORP Electrode for Titration and Laboratory Use
HI727 Checker HC ® - Color of Water
HI7021L - 240mV ORP Test Solution - 500ml