INSTRUCTION MANUAL for WS 9420 Digital COMFORT INDEX Thermometer-Hygrometer with Mold Alert and Dew Point Temperature P.
FEATURES • • • • • • • • • • • Extra large LCD display Indoor Temperature Dew Point Temperature Indoor Relative Air Humidity Degree C/F Temperature Mold alert by LED and Mold Alert icon (at 65%, 70%, 75%) Max-Min record of temperature and relative air humidity 12-hour graphical history of relative air humidity Programmable upper/lower relative air humidity with audible and LED alarm Easy-to-read colored comfort index Low battery indicator This digital COMFORT INDEX Thermo-Hygrometer is an ideal measuremen
Relative Humidity Dew Point °C Dew Point °F Human Perception at 32 °C (90 °F) >Higher than >Higher than Severely high.
TO USE THE HUMIDITY ALARM and appears at lower 1. To set the humidity alarm, press and hold SET, both LCD, the humidity digits flash. Press or to set the upper humidity limit in every 5% increment. and appears at lower LCD, the humidity digits flash. 2. Press SET once, both Press or to set the lower humidity limit in every 5% increment. 3. Press SET once or wait for around 10 seconds to return to normal display condition. appears on the LCD. 4. To turn on the humidity alarm, press ON.OFF once. 5.
TO READ THE MAXIMUM-MINIMUM TEMPERATURE AND HUMIDITY RECORDS Press MAX.MIN one at a time to view the maximum or the minimum temperature and relative humidity since the last reset. , press and hold the When the maximum temperature and humidity are displayed with MAX/MIN will clear the maximums and the unit will start to record and display fresh data again.
Words in the figure: Figure 1: ENGLISH FRONT VIEW MOLD ALERT 12-HOUR GRAPHICAL HISTORY OF RELATIVE AIR HUMIDITY ALERT ICON RELATIVE HUMIDITY MAX / MIN ICON ALERT ON / OFF RESET / MAX / MIN ALERT LED LIGHT / °C/ °F ALERT SET / DEW POINT TEMPERATURE DEW POINT Other Language BACK VIEW INSERT 2 X AA BATTERIES HOLDER BATTERY DOOR Consideration of duty according to the battery law Old batteries don’t belong to domestic waste because they could cause damages of health and environment.
