Specification of City Technology 3NF/F sensor Performance characteristics Nominal Range: 0-1000ppm Maximum overload: 5000ppm Inboard filter: to remove effect of SO2 in flue stream Expected operating life: three years in air Output signal: 0.10+/-0.02um/ppm Resolution: 1ppm Operating temperature range: -20 C to +40 C Pressure range: atmospheric +/- 10% Pressure coefficient: 0.01% signal/mBar Relative humidity range: 15 to 90% non-condensing Typical baseline range( pure air): 0 to +12ppm equivalent Maximum zero shift(+20 C to +40 C): 30ppm equivalent Long term output drift: <2% signal loss/month Recommended load resistor: 10 ohm Bias voltage: +300mV Repeatability: 2% of signal Output linearity: linear Note 1: while not being used to measure NO the 3MF/F can withstand temperatures of up to +50C N.B.: All performance data is based on conditions at 20 C, 50%RH, and 1013mBar

• City Technology 3NF/F sensor
• Nominal Range: 0-1000ppm
• Maximum overload: 5000ppm
• Expected operating life: three years in air