General-tools-and-instruments CDM7722 Manual de usuario descargar pdf (Pagina 4)

3

Enters setup mode.

Saves and finishes settings.

Enters CO calibration with .

2

Enters RH calibration with .

Exits setup page/mode.

Resets the meter and clear MAX/MIN.

Terminates during calibration.

Selects AIR, DP, WBT temps display.

(7722/77232 only)

Selects mode or increases value in

calibration and setup.

Activates MAX, MIN, STEL,TWA function.

Selects mode or decreases value in

calibration and setup.

KEYPAD

SETSET

CAL

ESC

CAL

ESC

DP/WB

M /

X

N

AVG

RESE TRESE T

DP/WB

M /

X

N

AVG

OPERATION

Plug in the adaptor and the meter turns

on automatically with a short beep. It

performs 30 seconds countdown(Fig.1)

for meter warm up, then enters normal

mode with current CO , temperature,

2

and humidity(7722/77232) readings

displayed (Fig.2).

Fig. 1

Fig. 2

Model 7721/77231

Model 7722/77232

POWER ON/OFF

OO

CO2

PPM

%%

OO

CO2

PPM

or

1 2 3 4 5 6 7 8 9 ... 14 15

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