GRIMM - Model SMPS+C & 11-D -Indoor Wide Range Aerosol Spectrometer

• real-time monitoring of the entire particle size range
• high precision with CPC and OPC at low and high concentrations
• excellent counting statistics and reproducibility
• low diffusion losses
• self-test of all optical and pneumatic components for high quality standards
• instrument parameters secured against data loss

• monitoring of ultrafine particles and dust
• aerosol science
• workplace monitoring

SMPS+C

• measurement principle : electrostatic classification with subsequent detection by condensational growth
• particle size range : selectable
• M - DMA   5 – 350 nm
• L -  DMA 10 - 1094 nm
• minimum scan time : 150 s
• max. concentration single count mode : 150 000 p/cm3
• max. concentration photometric mode : 107 p/cm3
• reproducibility : > 95% for single count mode : > 90% for photometric mode
• working fluid : n-butanol (n-butyl alcohol)

OPTICAL AEROSOL SPECTROMETER

• measurement principle : light scattering at single particles; detection volume aerodynamically focused, no border zone error
• particle size range : 0.253 μm - 35.15 μm
• concentration range : 1 – 3 000 000 p/L
• reproducibility : > 97% for single particle count mode

• sample air flow rate SMPS+C : 0.3 L/min CPC, flow control with critical orifice, temperature stabilized
• sample air flow rate 11-D : 1.2 L/min aerosol spectrometer, ± 3% constant due to  self-regulation

• operation : Wide Range Aerosol Spectrometer Software 5473 for online data presentation
• interfaces : RS-232, USB, Ethernet, Bluetooth
• power supply : SMPS+C: 85 – 264 VAC, 47 – 440 Hz,
• optical aerosol spectrometer: 100 – 240 VAC, 47 – 60 Hz,
• out: 13 VDC
• temperature range : 10 to +35°C (50 to 95°F), RH < 95%
• pressure range : SMPS+C: 600 – 1100 mbar
• optical aerosol spectrometer: 530 - 1100 mbar;
• flow rate automatically adjustable to pressure