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USB interface, 12-bit resolution can measure temperature, CO2, AC current, 4-20mA, DC voltage temperature measurement range: -20 ° to 70 ° C
Temperature measurement accuracy: ± 0.35 ° (0-50 ° C)
RH measurement range: 5% ~ 95% (replaceable RH sensor
RH accuracy: ± 2.5% RH (10% -90% typical)
Illumination measurement range: 1 ～ 3000 lumens / ft2 typical;
Accuracy: ± 2mV ± 2.5% absolute reading