General-tools-and-instruments CDM7722 Manual de usuario descargar pdf (Pagina 11)

Wait about 5 minutes until the blinking

stops and the calibration is completed

automatically and return to normal

mode.

To abort the calibration, press for

more than 1 second.

RESE TRESET

fresh air where CO level is around 400

2

ppm.

The manual calibration is suggested to

be done in outdoor area with ventilating

Do not calibrate in places crowded

with people or close to where with high

CO concentration such as ventilating

2

outlets or fireplaces.

Fig. 16

Place the meter in the calibration site.

Turn on the meter and hold down

and simultaneously to enter CO

2

calibration mode (Fig.16). 400ppm and

“CAL” are blinking on the LCD while

performing calibration.

CAL

ESC

CAL

ESC

DP/WB

CO2

PPM

Manual Calibration

10

ABC (Automatic Baseline Calibration)

ABC is to calibrate the meter at the

minimum CO reading detected during

2

7 days continuous monitoring (power

on). It is supposed that the ventilating

area can have fresh air with CO level

2

in around 400ppm during a period of

time. It’s not suitable to implement

ABC in close area with higher CO level.

2

The ABC default is off. To enable the

function, please refer to SETUP P4.0.

1 2 ... 6 7 8 9 10 11 12 13 14 15

Comentarios a estos manuales

Sin comentarios