H2S-A1 Performance Data
Figure 2 Sensitivity Temperature Dependence
110
Technical Specification
% sensitivity (referenced to 20 OC)
105
Figure 2 shows the variation in sensitivity caused by changes in temperature. This data is taken from a typical batch of sensors. The mean and ± 95% confidence intervals are shown.
Mean "+95% conf." "-95% conf."
100
95
90
85
80 -30 -20 -10 0 10 20 30 40 50
Temperature (OC)
Figure 3 Zero Temperature Dependence
0.5 0.4 0.3
Zero output, referenced to 20oC (equivalent ppm)
78 to 93 100 to 110 <± 0.2 <± 0.2 <-20 <-25 <4 <10 <1.5 <0.2 <0.5 <0.1
KEY SPECIFICATIONS Temperature range Pressure range Humidity range Storage period Load resistor Weight
°C kPa % rh continuous months @ 3 to 20°C (stored in sealed pot) Ω (recommended) g
-30 to 50 80 to 120 15 to 90 6 10 to 47 <6
深圳市深国安电子科技有限公司
地址：广东省深圳市龙华新区牛栏前大厦Ｃ５０７ 蒋小姐：１３４ ２８７６ ２６３１ 电话：８６ ７５５－８５２５８９００ 网址：ｗｗｗ．ｓｉｎｇｏａｎ．ｃｏｍ ｗｗｗ．ｓｉｎｇｏａｎ．ｃｏｍ．ｃｎ ｗｗｗ．ｓｈｅｎｇｕｏａｎ．ｃｏｍ
0.2 0.1 0 -20 -10 0 10 -0.1 -0.2 -0.3 -0.4 -0.5 Mean "+95 %conf." "-95 % conf." 20 30 40 50
Figure 3 shows the variation in zero output caused by changes in temperature, expressed as ppm gas equivalent. This data is taken from a typical batch of sensors. The mean and ± 95% confidence intervals are shown.
ENVIRONMENTAL Sensitivity @ -20°C Sensitivity @ 50°C Zero @ -20°C Zero @ 50°C CROSS SENSITIVITY NO2 Cl2 NO SO2 CO H2 C2H4 NH3 sensitivity sensitivity sensitivity sensitivity sensitivity sensitivity sensitivity sensitivity
H2S-A1 Hydrogen Sulfide Sensor
Figure 1 H2S-A1 Schematic Diagram
Technical Specification
All dimensions in millimetres (± 0.1mm)
Top View PERFORMANCE Sensitivity Response time Zero current Resolution Range Linearity Overgas limit LIFETIME Zero drift Sensitivity drift Operating life
Temperature (OC)
Figure 4 Sensitivity Long Term Stability
900 800 700
Output (nA/ppm)
600 500 400 300 200 100 0 0 500 1000
Figure 4 shows the excellent long term stability of the H2S-A1, which results from the combination of a patented design, superior electrochemistry and good process control.
% (output @ -20°C/output @ 20°C) @ 20ppm % (output @ 50°C/output @ 20°C) @ 20ppm ppm equivalent change from 20°C ppm equivalent change from 20°C % measured gas @ 10ppm % measured gas @ 10ppm % measured gas @ 50ppm % measured gas @ 20ppm % measured gas @ 400ppm % measured gas @ 400ppm % measured gas @ 400ppm % measured gas @ 20ppm NO2 Cl2 NO SO2 CO H2 C2 H 4 NH3
Bottom View
Side View 550 to 875 <25 <± 0.3 <0.05 100 0 to -4 500 <0.1 <3 >24
nA/ppm in 20ppm H2S t90 (s) from zero to 20ppm H2S ppm equivalent in zero air RMS noise (ppm equivalent) ppm H2S limit of performance warranty ppm error at full scale, linear at zero and 20ppm H2S maximum ppm for stable response to gas pulse ppm equivalent change/year in lab air % change/year in lab air, monthly test months until 80% original signal (24 month warranted)
Time (days)

2000
2500
深圳市深国安电子科技有限公司
地址：广东省深圳市龙华新区牛栏前大厦Ｃ５０７ 蒋小姐：１３４ ２８７６ ２６３１ 电话：８６ ７５５－８５２５８９００ 网址：ｗｗｗ．ｓｉｎｇｏａｎ．ｃｏｍ ｗｗｗ．ｓｉｎｇｏａｎ．ｃｏｍ．ｃｎ ｗｗｗ．ｓｈｅｎｇｕｏａｎ．ｃｏｍ