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Hamilton offers several conductivity standards of varied values, whose stability of ±2% is guaranteed over a lifecycle of up to 3 years. 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
5 359 21 627 37 971
6 371 22 648 38 994
7 386 23 666 39 1018
8 401 24 686 40 1040
9 417 25 706 41 1066
10 429 26 727 42 1091
11 449 27 748 43 1116
12 465 28 769 44 1140
13 482 29 790 45 1166
14 499 30 813 46 1191
15 516 31 834 47 1217
16 534 32 856 48 1242
17 552 33 878 49 1268
18 571 34 901 50 1295
19 589 35 924
20 609 36 947