Product introduction
I. ElectrochemicalAmmonia gas sensors(NH3 sensor) NH3-A1 product description:
Ammonia gas sensorsNH3-A1 is mainly used to detect the concentration of ammonia in the atmosphere. NH3-A1 is a 3-electrode electrochemical ammonia gas sensor with linear current output, easy signal processing, high sensitivity, suitable for harsh environments such as poultry farms, pig farms, and other fields.
II. Electrochemical ammonia gas sensor (NH3 sensor) NH3-A1 main parameters
Overload: 1000ppm
Response time: < 60s
Dimensions: Φ20.2×16.5
Ammonia detection range: 0-200ppm
Sensitivity: 17 to 27 nA/ppm
III. Electrochemical ammonia gas sensor (NH3 sensor) NH3-A1 typical applications
Ammonia gas transmitters, various ammonia detection occasions
IV. Electrochemical ammonia gas sensor (NH3 sensor) NH3-A1Performance:
| Sensitivity | 50ppmNH3，nA/ppm | 17~27 |
| Response time | t90 from zero to 50ppm NH3 (s) | <60 |
| Zero current | ppm in zero air | <20 |
| Resolution | Average noise (ppm) | <0.3 |
| Range | NH3 warranty detection range (ppm) | 200 |
| Linearity | Full-scale ppm error, linear at 0-20ppm | 1~10 |
| Overload | ppm for stable response to gas pulses | 1000 |
V. Electrochemical ammonia gas sensor (NH3 sensor) NH3-A1Lifetime:
| Zero drift | ppm change per year in laboratory air | <2 |
| Sensitivity drift | Percentage change per year in laboratory air | <3 |
| Operating life | Time for output to drop to 80% of original signal (months) (warranty 12 months) | >24 |
VI. Electrochemical ammonia gas sensor (NH3 sensor) NH3-A1Cross sensitivity:
| H2S | Percentage sensitivity to 20ppm H2S | <300 |
| NO2 | Percentage sensitivity to 20ppm NO2 | <-300 |
| Cl2 | Percentage sensitivity to 10ppm Cl2 | <-300 |
| NO | Percentage sensitivity to 50ppm NO | nd |
| SO2 | Percentage sensitivity to 20ppm SO2 | nd |
| CO | Percentage sensitivity to 400ppm CO | <20 |
| H2 | Percentage sensitivity to 400ppm H2 | <15 |
| C2H4 | Percentage sensitivity to 400ppm C2H4 | nd |
| CO2 | Percentage sensitivity to 5% CO2 | nd |
VII. Electrochemical ammonia gas sensor (NH3 sensor) NH3-A1Key parameters:
| Temperature range | ℃ | -30~50 |
| Pressure range | Kpa | 80~120 |
| Humidity range | %rh | 15~90 |
| Storage life | Sealed storage life at 3-20℃ (months) | 6 |
| Load resistor | Ω (recommended) | 10~47 |
| Bias voltage | mV | 200 |
| Weight | grams | <6 |
