Greenspan's calibration table - HMK15

HMK15 User Guide

Document code
M210185EN
Revision
D
Language
English (United States)
Product
HMK15
Document type
User guide

The number on the right in each column indicates the uncertainty of the reference humidity of the salt in that temperature.

Table 1. Greenspan's calibration table
ºC LiCl MgCl2 NaCl KCl K2SO4
0 33.7 ± 0.3 75.5 ± 0.3 88.6 ± 0.5 98.8 ± 1.1
5 33.6 ± 0.3 75.7 ± 0.3 87.7 ± 0.5 98.5 ± 0.9
10 33.5 ± 0.2 75.7 ± 0.2 86.8 ± 0.4 98.2 ± 0.8
15 33.3 ± 0.2 75.6 ± 0.2 85.9 ± 0.3 97.9 ± 0.6
20 11.3 ± 0.3 33.1 ± 0.2 75.5 ± 0.1 85.1 ± 0.3 97.6 ± 0.5
25 11.3 ± 0.3 32.8 ± 0.2 75.3 ± 0.1 84.3 ± 0.3 97.3 ± 0.5
30 11.3 ± 0.2 32.4 ± 0.1 75.1 ± 0.1 83.6 ± 0.3 97.0 ± 0.4
35 11.3 ± 0.2 32.1 ± 0.1 74.9 ± 0.1 83.0 ± 0.3 96.7 ± 0.4
40 11.2 ± 0.2 31.6 ± 0.1 74.7 ± 0.1 82.3 ± 0.3 96.4 ± 0.4
45 11.2 ± 0.2 31.1 ± 0.1 74.5 ± 0.2 81.7 ± 0.3 96.1 ± 0.4
50 11.1 ± 0.2 30.5 ± 0.1 74.4 ± 0.2 81.2 ± 0.3 95.8 ± 0.5

Greenspan, L.: Journal of Research of the National Bureau of Standards - A Physics and Chemistry Vol. 81A, No. 1 January-February 1977, pp. 89-95