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Hamilton is the first manufacturer to offer liquid conductivity standards in 1.3 μS/cm value with a certified accuracy of ±1% and a lifetime of 1 year. The composition of these standards is patented, and the procedure for determining conductivity has been developed in collaboration with the Danish Institute of Fundamental Metrology (FDM) and the National Institute of Standards and Technology (NIST). Please refer to the calibration certificate packaged with every HAMILTON Conductivity Standard for further details.

temperature influence chart


Conductivity vs. Temperature: Reference table

Temperature °C
Conductivity μS/cm
Temperature °C
Conductivity μS/cm
Temperature °C
Conductivity μS/cm
5 0.27 21 0.99 37 2.69
6 0.29 22 1.06 38 2.85
7 0.32 23 1.13 39 3.01
8 0.35 24 1.21 40 3.17
9 0.39 25 1.3 41 3.34
10 0.42 26 1.39 42 3.52
11 0.46 27 1.48 43 3.71
12 0.5 28 1.58 44 3.9
13 0.54 29 1.68 45 4.1
14 0.58 30 1.79 46 4.31
15 0.62 31 1.9 47 4.52
16 0.68 32 2.02 48 4.74
17 0.74 33 2.14 49 4.97
18 0.8 34 2.27 50 5.21
19 0.85 35 2.4
20 0.92 36 2.55