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Secondary electrolytic conductivity solution [TRM-S-2019]
Catagory All TRM , Secondary electrolytic conductivity solution
Detail
ใบรับรองของสารละลายบัฟเฟอร์ TRM-S-2001 ถึง TRM-S-2008 และ สารละลายมาตรฐานสภาพการนำไฟฟ้า TRM-S-2017 ถึง TRM-S-2019 ขอชี้แจงดังต่อไปนี้
"According to JCGM 200: 2012 International vocabulary of metrology-Basic and general concepts and associated term (VIM) 3rd edition,measurement uncertainty is defined as non-negative parameter characterizing the dispersion of the quantity values being attributed to a measurand, based on the information used.Therefore, the uncertainty of pH standard solution and electrolytic conductivity standard solution as shown in the certificate does not show the sign (+) for the expanded uncertainty"
Detail
Range : 1413 µS/cm
Uncertainty : 0.5 %relative
- 250 mL (฿ 5,600.00)