Elcometer 116c, Руководство пользователя

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3 USING THE INSTRUMENT (continued)
8 The %RH is shown on the scale below the arrow. In the example
below %RH = 58.
To find dewpoint, note the wet bulb temperature (e.g. 20). Find this
figure on the dry bulb scale. Dewpoint is the equivalent value on the
wet bulb scale. In this example, dewpoint = 15.
20
30 40 50 60
%
RH
20
25
30
15
20
WET
DRY
%RH
4 TECHNICAL SPECIFICATION
Accuracy Operating Temperature
Thermometers
-5°C to +50°C
(+30°F to +110°F)
%RH
(in range 10% to 100%
)
±5%
(+32°F to +100°F)
0°C to +38°C
Dewpoint Temperature
±3°C
(±5.5°F)
0°C to +30°C
(+32°F to +86°F)
For dry bulb temperatures above 70°F (21°C), use the high range
scale on the sleeve-handle. If the dry bulb temperature is below 70°F
(21°C), use the low range scale.
Note: Factors such as barometric pressure may affect these values slightly.