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Hamilton offers the 84 µS/cm liquid conductivity standard (Ref 238984) with stability of ±1% is guaranteed over a lifecycle of up to 18 months. These standards can be used several times, on condition that the bottle is not left open without its lid for more than one hour total. 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.


Conductivity vs. Temperature: Reference table

Temperature °C
Conductivity µS/cm
Temperature °C
Conductivity µS/cm
Temperature °C
Conductivity µS/cm
5 52.6 21 77.5 37 104.4
6 54 22 79.1 38 106.2
7 55.6 23 80.7 39 108
8 57.1 24 82.3 40 110
9 58.7 25 84 41 111.7
10 60 26 85.6 42 113.5
11 61.8 27 87.3 43 115.4
12 63.3 28 88.9 44 117.3
13 64.9 29 90.6 45 119
14 66.4 30 92 46 121.1
15 68 31 94 47 123
16 69.6 32 95.7 48 125
17 71.1 33 97.4 49 127
18 72.8 34 99.1 50 129
19 74.3 35 101
20 76 36 102.7