Environmental Monitoring Solutions
The Fidas® 200 fine dust monitor uses the recognized measuring technique of optical light scattering according to ISO 21501-1 on the single particle and is equipped with an LED light source of high light intensity, high light stability, and long service life. The instrument’s calibration can be easily and quickly checked and, if necessary, adjusted at any time, even when installed, using a monodisperse test aerosol.
The sampling system of the Fidas® 200 operates with a volume flow of approx. 0.3 m3/h.
It is equipped with a Sigma-2 sampling head according to VDI 2119, which enables representative sampling even in strong winds, as well as a drying section, which demonstrably prevents falsification of the measurement due to condensation effects at high humidity.
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| Measuring principle | Optical light scattering at single particles |
| Reported data | PM1, PM2.5, PM4, PM10, TSP, CN, particle size distribution, ambient pressure, ambient temperature, rel. ambient humidity |
| Measurement range (number CN) | 0–20,000 particles/cm³ |
| Measurement range (size) | 0.18–18 µm (certified range, other measuring ranges on request) |
| Measurement range (mass) | 0–10,000 µg/m³ |
| Measurement uncertainty | 9.7% for PM2.5, 7.5% for PM10 (expanded measurement uncertainty according to EN 16450, TÜV Report) |
| Volume flow | 4.8 l/min ≙ 0.3 m³/h ± 3% (24h), compliant with EN 16450 |
| Size channels | 64 (32/decade) |
| Time resolution | 1 s–24 h |
| Interfaces | USB, Ethernet (LAN), RS-232, Wi-Fi |
| User interface | Touchscreen, 800 × 480 pixel, 7″ (17.78 cm) |
| Protocols | UIDEP, UDP, ASCII, MODBUS, Bayern-Hessen |
| Data logger storage | Capacity for 2 years continuous operation at 60 s storage interval |
| Software | PDAnalyze |
| Data acquisition | Digital, 20 MHz processor, 256 raw data channels |
| Light source | Long term stable LED |
| Housing (Gehäuse) | Table housing, optional: with mounting brackets for rack-mounting |
| Operating system | Windows 10 IoT Enterprise |
| Power supply | 115–230 V, 50/60 Hz |
| Installation conditions | +5–+40 °C |
| Response time | < 2 s |
| Sampling head (Probenahmekopf) | Passive collector Sigma-2 |
| Dimensions | 450 × 320 × 180.5 mm (H × W × D), 19″ |
| Weight | Control unit: 9.3 kg, sample head: 2.25 kg, sample tube: 4.5 kg |
| Sampling system (Probenahmesystem) | Drying of the aerosol by IADS (Intelligent Aerosol Drying System) |
| Noise emission | < 70 dB(A) |
| Fuse | T2A |
| Resolution | 0.1 µg/m³ |
| Power consumption | Normal operation: 60 W, max. 200 W |
| Data management | Prepared for connection to the Palas Cloud MyAtmosphere (“MyAtmosphere-ready”); Internet access and separate registration required. The MyAtmosphere terms of use apply. |
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