EC/TDS Solution
฿1,765.50
virtually always fresh & no contamination risk
฿3,745.00
Standard-Leitfähigkeitslösung 12880 µS/cm, 3.78L Kanister (Gallone)
EC/TDS Meter
฿963.00
Calibration Solution 12880 µS/cm for Calibration, 500 ml
฿963.00
Conductivity Solution 1413 µS/cm for Calibration, 500 ml
EC/TDS Solution
฿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 Meter
฿963.00
Standard-TDS Calibration Solution 1382 ppm, 500 ml
HI766E2 K-Type, General Purpose w Cable
เครื่องวัดค่ากรด-ด่าง/คลอรีน/อุณหภูมิ แบบต่อเนื่อง รุ่น PCA320
HI96822 Seawater Analysis (Salinity) - Digital Refractometer Portable
HI4014-01 0.1 M Potassium Standard
HI7009L - 9.18 pH@25°C - SQ - 500ml