Measurement Range
Temperature: -20° to 70°C (-4° to 158°F)
RH: 5% to 95% RH
Light intensity: 1 to 3000 footcandles (lumens/ft2) typical; maximum value varies from 1500 to 4500 footcandles (lumens/ft2)
Analog channels: 0 to 2.5 Vdc (w/CABLE-2.5-STEREO); 0 to 5 Vdc (w/CABLE-ADAP5); 0 to 10 Vdc (w/ CABLE-ADAP10); 4-20 mA (w/CABLE-4-20MA)
Accuracy
Temperature: ± 0.35°C from 0° to 50°C (± 0.63°F from 32° to 122°F), see Plot A in manual
RH: ±2.5% from 10% to 90% RH (typical), to a maximum of ±3.5%, see Plot B in manual
Light intensity: Designed for indoor measurement of relative light levels, see Plot D in manual for light wavelength response
External input channel (see sensor manual): ± 2 mV ± 2.5% of absolute reading
Resolution
Temperature: 0.03°C at 25°C (0.05°F at 77°F), see Plot A in manual
RH: 0.03% RH
Sample rate: 1 second to 18 hours, user selectable
Drift
Temperature: 0.1°C/year (0.2°F/year)
RH: <1% per year typical; RH hysteresis 1%