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เครื่องวัดปริมาณแอมโมเนีย ในน้ำ รุ่น HI715
1 × ฿3,103.00 -
×
HI70030C - EC 12880 µS/cm@25°C Zert. - 25x20ml
1 × ฿2,033.00
Subtotal: ฿5,136.00
TDS (total dissolved substances) solution 1382 mg / L (ppm) for calibration with certificate of analysis.
Individual portions – convenient & always fresh & no contamination risk.
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