Street Address: 16 Floor, Building #3, Zhongke Mansion, Gaoxin South 1st Rd, Hi-Tech Park, Nanshan
City: Shenzhen
Province: Guangdong
Country/Region: China
other
NO-B4 Nitric Oxide Sensor 4-Electrode
PERFORMANCE Sensitivity nA/ppm at 2ppm NO 500 to 850 Response time t90 (s) from zero to 2ppm NO < 45 Zero current nA in zero air at 20'C 30 to 140 Noise* ±2 standard deviations (ppb equivalent) 15 Range ppm NO limit of performance warranty 20 Linearity ppb error at full scale, linear at zero and 5ppm NO < ±1 Overgas limit maximum ppm for stable response to gas pulse 50 * Tested with Alphasense ISB low noise circuit
LIFETIME Zero drift ppb equivalent change/year in lab air 0 to 50 Sensitivity drift % change/year in lab air, monthly test 0 to -20 Operating life months until 50% original signal (24 month warranted) > 24
ENVIRONMENTAL Sensitivity @ -20'C (% output @ -20'C/output @ 20'C) @ 2ppm NO 60 to 90 Sensitivity @ 40'C (% output @ 50'C/output @ 20'C) @ 2ppm NO 97 to 110 Zero @ -20'C nA 0 to 30 Zero @ 40'C nA 100 to 200
CROSS SENSITIVITY H2S sensitivity % measured gas @ 5ppm H2S (after 3 minutes) < 10 NO2 sensitivity % measured gas @ 5ppm NO2 (after 3 minutes) < 4 Cl2 sensitivity % measured gas @ 5ppm Cl2 < 3 SO2 sensitivity % measured gas @ 5ppm SO2 < 5 H2 sensitivity % measured gas @ 100ppm H2 < 0.1 CO sensitivity % measured gas @ 5ppm CO < 0.3 NH3 sensitivity % measured gas @ 5ppm NH3 < 0.1 CO2 sensitivity % measured gas @ 5% Vol CO2 < 0.1 O3 sensitivity % measured gas @ 100ppb O3 < 4 Halothane sensitivity @ 100ppm Halothane < 0.1
KEY SPECIFICATIONS Bias voltage mV(working electrode potential is above reference electrode) +200 Temperature range 'C -30 to 40 Pressure range kPa 80 to 120 Humidity range % rh continuous 15 to 85 Storage period months @ 3 to 20'C (stored in sealed pot) 6 Load resistor (ISB circuit is recommended) 33 to 100 Weight g < 13