Alphasense is expanding its line of electrochemical toxic gas sensors to address industry-specific requirements, including emissions monitoring, process safety, environmental monitoring and VOCs. Ammonia Sensor NH3-B1 is designed for higher concentrations of Ammonia. Sensors for lower level detection are in development.NH3-B1 Sensor price is available in sensotec website.
| NH3-B1 Ammonia Sensor NH3 Sensor PERFORMANCE |
| Sensitivity |
nA/ppm in 50ppm NH3 |
25 to 45 |
| Response time |
t90 (s) from zero to 50ppm NH3 |
<60 |
| Zero current |
ppm equivalent in zero air |
< ± 7 |
| Resolution |
RMS noise (ppm equivalent) |
<0.3 |
| Range |
ppm NH3 limit of performance warranty |
100 |
| Linearity |
ppm error at full scale, linear at zero and 20ppm NH3 |
+5 to -5 |
| Overgas limit |
maximum ppm for stable response to gas pulse |
200 |
| NH3-B1 Ammonia Sensor NH3 Sensor KEY SPECIFICATIONS |
| Bias voltage |
mV (Working Electrode potential is above ground) |
+200 |
| Temperature range |
°C |
-30 to 50 |
| 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 |
Ω (recommended) |
10 to 47 |
| Weight |
g |
<13
|
