Lutron 9904 SD Indoor Air Quality Monitor

Product Id : 3762


Lutron 9904 SD Indoor Air Quality Monitor is an ongoing recorder in which the SD Card can record three sorts of information CO2/Humidity/Temp, alongside the time data into one Excel document in the meantime. A manual datalogger is accessible which it can set the distinctive area no. ( position 1 to position 99 )

Applications: Pharmaceutical laboratories, Food Laboratories, Universities, and for Research applications

  Usually ships in 1 - 2 weeksUsually ships in 1 - 2 weeks, However please contact store for precise delivery schedule. Backorder also allowed

100 in stock


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Country : United States

Product Description

Lutron 9904 SD Indoor Air Quality Monitor is a Multifunctional Meter that can download 3 different data from the same SD card along with the time information in one excel. This indoor air quality monitor Real-time recorder with an Alarm setting with a beep sound output.

Electrical Specifications:

CO2 ( Carbon dioxide )

23 ± 5 Deg C


0 to 6,000 ppm


1 ppm


± 40 ppm, < 1,000 ppm.

± 5% of reading

 > 1,000 ppm 3,000 ppm.

± 250 ppm typically

> 3,000 ppm, reference only


± 20 ppm < 3,000 ppm.



5 % to 95 % R.H


0.1 % R.H


70% RH : ± (3% reading + 1% RH), < 70% RH : ± 3% RH



0 to 50 Deg C ,32 to 122 Deg F


0.1 degree


± 0.8  Deg C, ± 1.5 Deg F

Dew Point Temp. ( Humidity )


-25.3 to 48.9 Deg C


0.1 Deg C

Wet bulb Temp. ( Humidity )


-21.6 to 50.0 Deg C


0.1 Deg C

Additional Information

Weight 1 kg
Manufacturer Lutron
Model No 9904 SD
Measuring Parameters Carbon Dioxide, Dew Point Temperature, Relative Humidity, Temperature, Wet Bulb Temperature
Carbon Dioxide 0 to 6000 ppm
Accuracy_1 +/-5% of Reading
Resolution 1 PPM
Temperature 0 to +50°C
Accuracy_6 +/-0.8 Deg.C
Resolution 0.1 °C
Relative Humidity 5 to 95% RH
Accuracy_3 +/-3% RH
Resolution 0.1 % R.H.
Wet Bulb Temperature -21.6 to 50.0 Deg.C
Accuracy_2 Sum accuracy value of Humidity and Temperature Measurement
Resolution 0.1 Deg.C
Dew Point Temperature -25.3 to 48.9 Deg.C
Accuracy_5 Sum accuracy value of Humidity and Temperature Measurement
Resolution 0.1 Deg.C
Display LCD with green backlight
Sampling Time Approx. 1 second
Operating Temperature 0 to 50 Deg C( 32 to 122 ) Deg F
Operating Humidity Less than 80% R.H.
Data Hold Freeze the display reading.
Memory Recall Maximum & Minimum value.
Data Output RS 232/USB PC computer interface,
Sensors CO2:NDIR * Nondispersive infrared sensor,Humidity: Precision capacitance sensor , Temp: Precision thermistor
Circuit Custom one-chip of microprocessor LSI circuit.
Power Supply AAlkaline or heavy duty DC 1.5 V battery ( UM3, AA ) x 6 PCs, or equivalent
Accessories Included: Instructional Manual,Carring case, CO2 & Humidity Probe
Optional Accessories RS232 cable, UPCB-02, USB cable, USB-01, Data Acquisition software, SW-U801-WIN
Memory Card SD memory card. 1 GB to 16 GB.
Dimensions 177 x 68 x 45 mm
Weight 350 Grams


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