฿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
฿1,391.00
EC Value @25°C 1413 µS/cm Size 500 mL Package 1 bottle FDA Bottle No Certificate of Analysis Yes
All Product
฿963.00
Standard-TDS Calibration Solution 1382 ppm, 500 ml
HI98130 COMBO Tester for pH/EC/TDS/C° up to 20 mS, waterproof
HI38058 CTK pH
HI7030L - EC 12880 µS/cm@25°C - 500ml
น้ำยามาตรฐานสอบเทียบ
HI5007 - 7.01 pH@25°C - TQ - 500ml
HI7034L - EC 80000 µS/cm@25°C - 500ml
HI2001 - ORP Electrode Process
HI70080C - 800 mg/l (ppm) TDS@25°C Zert. - 25x20ml
HI7074L - RfE - Anorganische Substanzen - 500ml
เครื่องวัดปริมาณฟอสฟอรัส ช่วงต่ำมาก รุ่น HI736
HI10430 Digital pH-Electrode, High-Temperature-Glass, Refillble (edge)
HI93750-01 Potassium - Reagents - 100 Tests