A20-CEN Condensation Particle Counter
CEN/TS 16976:2016 compliant for ambient aerosol measurements
The Airmodus A20-CEN is a CEN-compliant butanol-based Condensation Particle Counter with a 10 nm cut-off. It is part of the ACTRIS whitelist and meets all requirements specified by ACTRIS and CEN, ensuring full compliance for atmospheric research networks. The A20-CEN serves dual roles: as a standalone total particle counter for monitoring stations, and as the integrated detector CPC within the Airmodus A-SMPS system for particle size distribution measurements per CEN/TS 17434. It has been extensively tested and proven in atmospheric research over many years. The A20-CEN features a touchscreen interface, advanced signal diagnostics, the BlockSafe inlet system, and transparent open calibration algorithms.
Specifications
| Rohs | YES |
|---|---|
| Weight | 8.5 kg (instrument only); 9.35 kg with bottle kit + PSU |
| En 16976 | YES |
| Fittings | 6 mm push-fit inlet and vacuum |
| Power Max | 160 W |
| Ce Marking | YES |
| Dimensions | 260 x 230 x 400 mm (H x W x D) |
| Cutoff Dp50 | 10 nm +/- 1 nm (silver particles, see calibration cert) |
| Cutoff Dp90 | < 20 nm |
| Cen Ts 17434 | YES (as SMPS detector) |
| Connectivity | USB type B, Ethernet RJ45, RS-232, Analog BNC 0-10V, Pulse BNC |
| Data Logging | 1 Hz (default), 10 Hz, raw pulse |
| False Counts | < 0.001 #/cm3 |
| Operating Rh | 0-95% non-condensing |
| Actris Status | ACTRIS Whitelist |
| Maba Quadrant | Selectively Invest (MA 4.3, BA 7.55) |
| Working Fluid | n-Butanol (>99.5%) standard; Propylene Glycol available |
| Operating Temp | 15-35 C |
| Dew Point Limit | < 15 C |
| External Vacuum | 100-400 mbar at NTP |
| Response Time T95 | < 1.15 s |
| Aerosol Inlet Flow | 1.05 lpm +/- 5% |
| Operating Pressure | 75-105 kPa |
| Power Steady State | 100 W |
| Aerosol Sample Flow | 1.05 lpm |
| Concentration Range | 0 - 150,000 #/cm3 |
| Particle Size Range | 10 nm - 2.5 um |
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