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Dt-8820 4-in-1 thermometer light humidity sound meter 
DT-8820 4-in-1 Industrial Thermometer Light Humidity Sound Meter NEW!!
Resellers welcome. Contact me at ****@ruby-electronics.com for quantity discount.
    Condition: Brand new in retail box.
    4 in 1 for Light meter, Sound Level meter, Relative Humidity meter, Temperature meter.
    3 1/2 digit large LCD display with units of Lux, oC, oF, %RH and C & dB, A & dB indication.
    Data hold and Maximum hold.
    Accessories: 9V battery, temperature probe.
    Light measuring levers ranging from 0.01 Lux to 20,000 Lux with + 5% accuracy.
    Temperature measuring levers ranging from -20 oC ~ 750 oC / -4 oF ~ 1400 oF with accuracy of + 3.5% + 2oC/F
    Humidity measurement from 35%RH to 95%RH with 0.1%RH resolution and fast time response. Accuracy: + 5%
    Sound level measurement from 35dB to 100dB or 65 dB to 130 dB for A, C Frequency weighting checking with 0.1 dB resolution. Accuracy: + 3.5 dB
    Dimensions/Wt.: 251.0 X 63.8 X 40mm/250g