NH3 3E 500 SE

Amperometric 3 electrode sensor cell

Measuring Range: 0–500 ppm
Sensitivity Range: 35nA/ppm ± 15nA/ppm
Zero Current at 20°C: <± 100nA, typically 40nA
Bias Potential: 0 mV
Linearity: <10% full scale

Response Time at 20°C:
t50: <30 s calculated from 5 min. exposure time
t90: <90 s calculated from 5 min. exposure time

Long Term Sensitivity Drift: <5% per 6 months

Temperature Range: -20°C to +40°C
Humidity Range: 15–90% r.H, non–condensing

Effect of Humidity:
no effect on zero reading during abrupt changes of RH

Expected Operating Life: > 24 months in air