฿1,765.50
virtually always fresh & no contamination risk
EC/TDS Meter
฿3,745.00
Standard-Leitfähigkeitslösung 12880 µS/cm, 3.78L Kanister (Gallone)
EC/TDS Solution
฿963.00
Calibration Solution 12880 µS/cm for Calibration, 500 ml
EC/TDS Meter
฿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
HI5002 - 2.00 pH@25°C - TQ - 500ml
HI3810 CTK Dissolved Oxygen
HI93735-02 Hardness Total (400 to 750 mg/L) - Reagents -100 Tests
HI10430 Digital pH-Electrode, High-Temperature-Glass, Refillble (edge)
เครื่องวัดค่าเหล็ก รุ่น HI721
HI7662 Temperature Probe
BL931700-1 pH Mini Controller - 4 - 20mA output - 220V
HI731318 - Cuvette Cleaning Cloth (4 pcs)
HI7009L - 9.18 pH@25°C - SQ - 500ml