Casella CEL Software for Heat Stress Monitor HSM100 - Manual (Page 15)

HEAT STRESS MONITOR
Handbook No. HB3215-05
Page 15 of 16
The WBGT values are calculated within the HSM 100 instrument. They are based upon the
following equations-(Ref ISO 7243).
WBGT = 0.7 Wet + 0.3 Globe
Inside
× ×
WBGT = 0.7 Wet + 0.2 Globe 0.1 Dry
Outside +
× × ×