FECS44-100 / FECS44-200 for the Detection of Low Concentration Ammonia
Figaro's Ammonia Sensor FECS44 is a unique electrochemical-type ammonia sensor. Its most notable features are small influence by H2S, excellent durability to NH3 exposure, and a unique leak-proof structure. These features make the sensor ideal for NH3 monitors and detectors in various fields.
Low Concentration Ammonia (NH3) Sensor Features:
* High selectivity to NH3
* Small influence by H2S
* Excellent durability to NH3 exposure
* Linear output
* Long life
* Stable baseline
* Unique leak-proof structure
Low Concentration Ammonia (NH3) Sensor Applications:
* Portable and fixed installation NH3 monitors
* NH3 detectors
* Ammonia leak detection in refrigerators
Low Concentration Ammonia (NH3) Sensor Specifications:
| Model Number | FECS44-100 | FECS44-200 |
| Detection Gas | Ammonia | |
| Detection Range | 0 ~ 100 ppm | 0 ~ 200 ppm |
| Maximum Overload | 200 ppm | 500 ppm |
| Output Signal | 100 ± 30 nA/ppm (*) | 40 ± 12 nA/ppm (*) |
| Repeatability | ±10% (*) | ±10% (*) |
| Resolution | 1 ppm (*) | 2 ppm (*) |
| Baseline Range (Pure air) | <±2 ppm (*) | <±4 ppm (*) |
| Typical Response Time (t90) | 60 sec (*) | 90 sec (*) |
| Baseline Shift (-30 ~ 50˚C) | <3 ppm (*) | <6 ppm (*) |
| Long Term Output Drift | <2% /month (*) | |
| Expected Life Time | > 2 years (*) | |
| Operating Temperature | -30 ~ 50˚C | |
| Operating Humidity | 15 ~ 90% RH | |
| Operating Pressure Range | 1013 hPa ±10% | |
| Recommended Load Resistor | 33Ω | |
| Bias Voltage | Not required | |
| Position Sensitivity | None | |
| Recommended Storage Temp. | 0 ~ 20˚C | |
| Storage Life | Less than 6 months | |
| Cap Color | Purple | |
| Weight | 4.5g (approx.) | |
(*) Performance data conditions: 20 ˚C , 50%RH and 1013 hPa.
