General-tools-and-instruments CDM7722 Manual de usuario

OPERATION MANUALWALL-MOUNT CO MONITOR2Model: 772177231772277232

9CO CALIBRATION2CAUTION: 1. Do not calibrate the meter in the air with unknown CO level. 2 Otherwise, it will be taken as 400 ppm and lea

Wait about 5 minutes until the blinking stops and the calibration is completed automatically and return to normal mode.To abort the calibration, press

11Plug the sensor probe into 33% salt bottle. Hold down and under normal mode to enter 33% calibration(Fig.17). “CAL” and calibrating value

12NOTE: Users can also calibrate either point. To calibrate 33% only, press to exit when 33% calibration is completed.To calibrate 75% only, pres

13PC CONNECTIONThe meter can do PC link for data analysis on-line logging and via RS232 interface and software. The protocol is as follows.B.Format (

CO2 LEVELS AND GUIDELINESEPA Taiwan: 600ppm and 1000ppmType 1 indoor areas such as department stores, theaters, restaurants, libraries,

INTRODUCTIONFeatures:Triple displays of CO level, temp. 2and humidity (7722/77232).s calibrationPC connect Stable NDIR sensor for CO detection2Stat

MATERIAL SUPPLIEDMeterAdaptorOperation manualPlain white boxThis package contains:Optional accessory:33% calibration salt (VZ0033AZ1) 75% calibration

3Enters setup mode.Saves and finishes settings.Enters CO calibration with .2Enters RH calibration with .Exits setup page/mode.Resets the met

4%%OOCO2%%OOCO2Fig.3Fig.4 TAKING MEASUREMENT Press to switch temperatures display. The lower left display will cycle from air temperature, dew

In STEL and TWA modes, the main display shows the (STEL) and 8 hours(TWA). weighted average of CO readings for the past 15 minutes2The lower display

6LED alarm keeps blinking when beeps are manually shut. It stops only when readings fall under the lower limit. ALARM OUTPUTThe meter is designed with

DP/WBM /XNAVGPress or to increase the value or to decrease. Each press tunes 100 ppm and the alarm range is from 100 to 9900ppm. 7CO2Fi

Fig. 11Fig. 12OOPress in P1.0 to access P3.0 for set-ting up temperature scale(Fig.11). Press and it goes into P3.1 with o oblinking C or