THIS INDOOR AIR QUALITY METER MEASURES AND RECORDS CARBON DIOXIDE (CO2) TEMPERATURE AND HUMIDITY. THE R9920 FEATURES A HIGH-RESOLUTION COLOR TFT TOUCHSCREEN DISPLAY USER-SELECTABLE RECORDING TIMES PROGRAMMABLE ALARM SET POINTS A BUILT-IN DESK STAND AND A WALL MOUNTING BRACKET. QUICKLY GENERATE AN EXCEL FILE WITH RAW DATA AND EXPORT RECORDED DATA TO A COMPUTER WITHOUT THE USE OF THE SOFTWARE. FEATURES UL STYLE""MARGIN-TOP0PX; PADDING-TOP 5PX; PADDING-BOTTOM 5PX;"" SIMULTANEOUSLY MONITORS CARBON DIOXIDE (CO2) TEMPERATURE AND RELATIVE HUMIDITY LOW-DRIFT NDIR CO2 SENSOR FOR STABLE AND ACCURATE READINGS USER SELECTABLE UNIT OF MEASURE (°C OR °F) 7"" (178MM) HIGH-RESOLUTION COLOR TFT LCD (1024 X 600 PIXELS) USER ADJUSTABLE HIGH AND LOW ALARMS MAX/MIN DISPLAY INTERNAL 16GB MEMORY STORES DATA POINTS IN CSV FORMAT USER SELECTABLE SAMPLING RATE FROM 1 SECOND TO 24 HOURS INTERNAL TIME AND DATE STAMP RECHARGEABLE LI-ION BATTERY BUILT-IN DESK STAND AND WALL MOUNTING BRACKET LOW BATTERY INDICATOR USB CABLE LENGTH 10' (3M) OPERATING TEMPERATURE 14 TO 104°F (10 TO 40°C) STORAGE TEMPERATURE 14 TO 104°F (10 TO 40°C) OPERATING HUMIDITY RANGE 0 TO 100% MAXIMUM OPERATING ALTITUDE 6561' (2000M) INCLUDES UL STYLE""MARGIN-TOP0PX; PADDING-TOP 5PX; PADDING-BOTTOM 5PX;"" INDOOR AIR QUALITY METER USB CABLE POWER ADAPTER WALL MOUNTING BRACKET APPLICATIONS UL STYLE""MARGIN-TOP0PX; PADDING-TOP 5PX; PADDING-BOTTOM 5PX;"" ENVIRONMENTAL MONITORING IN SCHOOLS OFFICE BUILDINGS GREENHOUSES FACTORIES HOTELS HOSPITALS LABORATORIES AREAS OR MANUFACTURING PROCESSES WHERE HIGH LEVELS OF CARBON DIOXIDE MUST BE MEASURED
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