With half rise time of 25 ms and rms noise level < 0.15 fA
Figure 1: 1012 V/A Electrometer time response when detecting DMA-selected ions showing a half-rise time of 25 ms. The square wave (CH2) is the DMA voltage divided by 1000.
Figure 2: Time dependence of amplified background for a data series of ten minutes (600 data – 1 data/s). The standard deviation σ of those points is only 0.104 fA.
Figure 3: MION’s aerosol electrometer coupled to a Half-mini DMA. The optimal amplification for the Half-mini DMA is 1012 V/A.
Figure 4: MION’s aerosol electrometer coupled to a Planar DMA. The optimal amplification for the planar DMA 1011 V/A.
Technical characteristics
MION E12 version (specially suited for planar DMA)
- Amplification: 1012 V/A
- RMS Noise level: < 0.15 fA
- Dynamic range: 70,000
- Half rise time: 25 ms
MION E11 version (specially suited for Half-mini DMA)
- Amplification: 1011 V/A
- RMS Noise level: < 0.4 fA
- Dynamic range: 200,000
- Half rise time: 4 ms
Common characteristics
- Dimensions: 130x110x100 mm
- Weight: 1 kg
- Power: Internal 16 V Li rechargeable battery (battery charger included)
- Inlet/outlet ports: 1/4” tube Swagelok connectors
- Amplified output signal: BNC