頁面 5, Dp,wbt, Max,min, stel,twa – General Tools and Instruments CDM7722 User Manual
Page 5: All models)
4
%
%
O
O
CO
2
%
%
O
O
CO
2
Fig.3
Fig.4
TAKING MEASUREMENT
Press to switch temperatures
display. The lower left display will cycle
from air temperature, dew point temp.
(Fig.3), and wet bulb temp.(Fig.4).
The meter starts taking measurement
after power on and updates readings
every second. In the condition of opera
-ting environment change (ex. from high
to low temp.), it takes 30 sec to respond
for CO sensor and 30 minutes for RH.
2
NOTE: Do not hold the meter close to
faces in case that exhalation affects
CO levels.
2
AIR
(all models)
,DP,WBT
(7722/77232)
DP/WB
PPM
PPM
Under normal mode, press to see
the minimum, maximum, and weighted
average readings. Each press of ,
it displays MIN, MAX, STEL, TWA in
sequence and returns to normal mode.
In MIN and MAX modes, it shows the
minimum and maximum readings of
CO on main display and of AIR or DP
2
or WB temperature and humidity
on the lower displays. (Fig.5)
(7722
/77232)
Fig.5
M /
X
N
AVG
M /
X
N
AVG
%
%
O
O
CO
2
PPM
MAX,MIN, STEL,TWA