General-tools-and-instruments CMM880 Manual do Utilizador

?Power on but no display. Check the battery are in place and making good contact or correct polarity , replace a new battery or attach optional AC ad

The meter is warranted to be free from defects in material and workmanship for a period of one year from the date of purchase. This warranty covers no

Congratulations on your purchase ofthe Hygro-Thermometer ! This uniqueinstrument is portable, battery operated in Temperature./Relative Humidity/Dew

1. 2. "-" .Minus pressure display.3. MAX Maximum recorded.4. MIN Minimum recorded.5. HLD Hold current reading.6. td

Fig. A3Unit will turn itself off after 20 minutes(Sleep mode) To override Auto PowerOff function (Non-Sleep Mode) press ON/OFF and MIN/MAX button simu

Press and hold (td/WBT) button until "td" appears on left side of display. Unit will now display Dew Point Temp.See Fig.EPress "HOLD&q

(1) Press and hold MN/MX button until (MIN) appears on display.(See Fig.G) Display is now showing minimum humidity and temperature

6The meter is calibrated in house before shipping.To maintain the meter in the goodcondition for use , recommend tocalibrate the meter after long time

If you want to calibration 75% , please remove the meter probe from the 33% salt bottle and plug it into the 75% salt bottle. Then press the "MN

Automatic Calibration :Turn off the meter , then plug the meterprobe into the 33% salt bottle and thenpower on the meter by pressing " ON/OFF bu