Nanoparticle measurement systems used in ambient monitoring. These systems are designed to measure and analyze ultrafine particles (UFP) in the air, providing critical data for environmental monitoring and research. They utilize advanced technologies such as condensation particle counting and scanning mobility particle sizing to offer real-time, high-precision measurements of nanoparticles. These systems are essential for understanding air quality, assessing pollution levels, and ensuring compliance with environmental regulations.

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GRIMM 5410

Basic condensation particle counter

Compact CPC for nanoparticle counting with optimized detection efficiency and response time.  Different calibrations possible, e.g. for real-time monitoring of UFP in ambient air according to CEN draft standard prEN 16976:2023.

Functionality: Condensation particle counter

• Precise nanoparticle counting: n-Butanol based CPC, D50 = 4.0 nm, Droplet size control, Single count mode (100,000 particles/cm³) and  Photometric mode (up to 10⁷ particles/cm³)
• Sample flow rate controlled by critical orifice: External vacuum required
• Saturator shutter
• Continuous condensate drain with micro pump
• Analog input for optional meteorological sensors
• Wide range power supply: 90 … 264 VAC, 47 … 63 Hz; 80 … 130 W

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GRIMM 5705

Faraday cup aerosol electrometer

This high-end nanoparticle detector matches all experimental needs and can be operated stand-alone with the DMA and FCE controller 5706 at aerosol inlet flow rates of 1 – 5 l/min.

Functionality: Faraday cup electrometer

• Sensitivity: 0.1 fA at 1 Hz
• Low noise level of 0.35 fA
• Data sampling rate up to 16 Hz
• Sample flow rate: 1 … 5 l/min

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GRIMM 5416

High-end condensation particle counter

Precise nanoparticle counting instrument with the option to operate as a fully-equipped SMPS system.

Functionality: Condensation particle counter

• Precise nanoparticle counting: n-Butanol based CPC, D50 = 4.0 nm, Droplet size control, Single count mode (150,000 particles/cm³) and  Photometric mode (up to 10⁷ particles/cm³)
• Internal pumps for sample and sheath air
• SMPS+C capability: Integrated DMA controller, 3.0 l/min sheath air flow, 0.3 l/min sample air flow
• Saturator shutter
• Analog input for optional meteorological sensors
• Wide range power supply: 90 … 264 VAC, 47 … 63 Hz, 80 … 130 W

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GRIMM 5430 | 5431

PMP compliant condensation particle counters

High-accuracy stationary nanoparticle counters for automotive emission measurements compliant with Euro 5 and 6 standard.

Functionality: Condensation Particle Counter

• Precise nanoparticle counting: n-Butanol based CPC, Single count mode (up to 50,000 particles/cm³), Coincidence correction: < 10% up to 23,000 particles/cm³, Linearity: R² ≥ 0.98 for 1 … 23,000 particles/cm³, Counting efficiency within 50 ±12% at 23 nm and ≥ 90% at 41 nm
• Sample flow rate controlled by critical orifice: External vacuum required;
• For 5431: Sample flow rate controlled by critical orifice: Integrated sample air pump, no external vacuum required

• Saturator shutter
• Continuous condensate drain with micro pump
• Wide range power supply: 90 … 264 VAC, 47 … 63 Hz, 80 … 130 W
• Complies to the GPRE particle measurement program (PMP) for Euro 5 and 6, regulation 83

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