Sper Scientific 850021 Anemometer RH Pen - Manual (Page 6)

Unit Selection
1. Turn on the meter by pressing the Power button.
2. Press the Unit button for at least 2 seconds and both the
upper and lower values will start to flash (see below).
Use the ▲ button to switch the upper display unit, and
use the
button to switch the lower display unit. Then
press the button to accept the selected units. *
%RH
60.9
25.9 ºC
Value Flashing
Value Flashing
Measurement units:
Anemometer m/S, Km/h, FPM, mph, Knot
Temperature ºC, ºF
Humidity %RH
Dew Point ºC, ºF
The most recent settings are stored when the power is
turned off, and displayed again when power is turned back
on.
MEASURING PROCEDURE
6
*
Electrical Specifications
Anemometer (Air velocity)
Measure-
ment Range Resolution Accuracy
m/S 0.4 to 30.0 m/
s 0.1 m/S
≤ 20m/S :
± 3% F.S.
> 20 m/S :
± 4% F.S
(all measurements)
Km/h 1.4 to 108.0
km/h 0.1 Km/h
FPM 80 to 5910 ft/
min 1 Ft/min
mph 0.9 to 67.0
mph 0.1 mph
Knots 0.8 to 58.3
knots 0.1 knots
SPECIFICATIONS
11
Temperature
Measuring Range 0 ºC to 50 ºC / 32 ºF to 122 ºF
Resolution 0.1 ºC / 0.1 ºF
Accuracy ±0.8 ºC / 1.5 ºF