Performance
Sensitivity na/ppm at 2ppm co 420 to 650
Response time t90 (s) from zero to 10ppm co < 25
Zero current na in zero air at 20°c +30 to -130
Noise* ±2 standard deviations (ppb equivalent) 4
Range ppm limit of performance warranty 1000
Linearity ppb co error at full scale, linear at zero, 500ppm co 20 to 35
Overgas limit maximum ppm for stable response to gas pulse 2000
* tested with alphasense isb low noise circuit
Environmental
Sensitivity @ -20°c (% output @ -20°c/output @ 20°c) @ 5ppm co 40 to 70
Sensitivity @ 50°c (% output @ 50°c/output @ 20°c) @ 5ppm co 110 to 125
Zero @ -20°c na -30 to +30
Zero @ 50°c na -50 to -200
Cross sensitivity
Filter capacity ppm·hrs h2s 250, 000
H2s sensitivity % measured gas @ 5ppm h2s < 1
No2 sensitivity % measured gas @ 5ppm no2 < 1
Cl2 sensitivity % measured gas @ 5ppm cl2 < 1
No sensitivity % measured gas @ 5ppm no < -3
So2 sensitivity % measured gas @ 5ppm so2 < 0.1
H2 sensitivity % measured gas @ 100ppm h2 at 20oc < 10
C2h4 sensitivity % measured gas @ 100ppm c2h4 < 1
Nh3 sensitivity % measured gas @ 20ppm nh3 < 0.1
Key temperature range °c -30 to 50
Specifications
Pressure range kpa 80 to 120
Humidity range % rh continuous 15 to 90
Storage period months @ 3 to 20°c (stored in sealed pot) 6
Load resistor o (isb circuit is recommended) 33 to 100
Weight g < 13
Isweek provide smoke, gas, humidity&temperature, uv, fluid or other kinds of sensors
More details welcome to inquiry: skype:isweek_laura
Parameters:
1)storage temperature: -40 to 125ºc
2)supply voltage: 3.8v
3)humidity operating range: 1-100%rh
4)temperature operating range: -40 to 125ºc
5)vdd to gnd:-0.3 to 3.6v
6)digital i/o pins (data/sck) to vdd:-0.3 to vdd+0.3v
7)-10 to +10 ma
Features:
(1)dfn type package
(2)relative humidity and temperature digital output, i2c interface
(3)fully calibrated
(4)lead free sensor, reflow solderable
(5)low power consumption
(6)fast response time and very low temperature coefficient
Isweek provide smoke, gas, humidity&temperature, uv, fluid or other kinds of sensors
More details welcome to inquiry: skype:isweek_laura
