฿2,033.00
COMBO pack - Buffer solutions pH 7:01 + TDS 1500 mg / L @ 25 ° C - SQ - 10 bags each of 20 ml, ± 0.01 pH, standard quality
EC/TDS Meter
฿3,745.00
Standard-Leitfähigkeitslösung 1413 µS/cm, 3.78L Kanister (Gallone)
COMBO pack - Buffer solutions pH 7:01 + TDS 1500 mg / L @ 25 ° C - SQ - 10 bags each of 20 ml, ± 0.01 pH, standard quality
EC/TDS Meter
Standard-Leitfähigkeitslösung 1413 µS/cm, 3.78L Kanister (Gallone)