Electrometer FCE 5705

Overview

The Faraday-Cup aerosol electrometer FCE 5705 by GRIMM is a reference solution for reliable nanoparticle counting, optimized for calibration, research and emissions monitoring. It provides traceable measurements and complies with current ISO and EU standards.

Benefits

• Modular, ready-to-use system - Complete solution for rapid setup and precise adaptation of sample flow to operating conditions.
• Easy operation with large touchscreen - Intuitive control, clear data visualization and straightforward configuration.
• No consumables required - Reduced operating costs and simplified maintenance for continuous long-term use.
• Traceable calibrations for consistent accuracy - Calibration factors can be stored in the device memory to ensure reliable, reproducible measurements.
• Precise sample flow control - Minimizes measurement uncertainty of particle number concentration.
• High-resolution data acquisition - Insights into dynamic processes with adjustable sample rates from 1 to 64 Hz.
• Multiple data transfer options - Supports Modbus TCP/RTU, USB, Ethernet and WiFi for seamless integration into data systems.
• Stand-alone operation with internal memory - 32 GB storage and .csv export via USB for data exchange without a PC.
• Wide-range power supply - Operates at 110–240 V 50/60 Hz for international use.
• Compatible with other GRIMM products - FCE 5705 controller compatible with all FCE generations; combinable with DMA controller 5706 for SMPS+E configurations.

COMPLIANCE & CERTIFICATIONS

• ISO 27891:2015 (Calibration of condensation particle counters (CPCs))
• ISO 15900:2020 (Aerosol particle number size distribution)
• EN 16976:2024 and CEN/TS 17434:2020 (Standard procedures for particle number concentration and size distribution in ambient air)
• Particle Measurement Programme (Euro 5, 6 and 7)
• UN GTR No. 24 (Brake emissions)

Applications

• Research laboratories and universities
• Fundamental aerosol research and inhalation/exposure studies.
• Calibration laboratories
• Calibration of CPCs and other aerosol instruments in accordance with ISO standards.
• Industry and nanotechnology
• Monitoring nanoparticle concentrations during production and processing.
• Environmental monitoring
• Determination of particle number concentration and size distribution in ambient air per EN 16976/CEN/TS 17434.
• Vehicle and brake emissions testing
• Measurements to ensure compliance with Particle Measurement Programme and UN GTR 24.
• Printer emissions and filtration testing
• Assessment of filter efficiency and particle emissions from printers.
• Engine exhaust studies
• Measurement of particle emissions from combustion engines.

Technical specifications

• Detector type: Faraday-Cup electrometer
• Measured quantities: current (fA) and particle number concentration (particles/cm³)
• Max. current: ±4,000 fA
• Max. particle number concentration: 1.5 × 10^6 particles/cm³ (single-charged)
• Current measurement resolution: ±0.01 fA
• Average noise level: ±0.35 fA
• Response time t10…t90: < 0.25 s
• Data sampling rate: 1 … 64 Hz (adjustable in 2^n Hz, n = 0 … 6)
• Sample flow rate: 0.3 … 10 l/min (adjustable in 0.1 l/min steps)
• Sample flow accuracy: ±1.5 % (over full range)
• External vacuum: ≤ 350 hPa at NPT
• Operation / display: 5" touchscreen (optional: GRIMM FCE 5705 PC software)
• Communication interfaces: USB, Ethernet, WiFi*, USB storage, analog input for T/p/RH sensors
• Internal memory: 32 GB (usable 28.8 GB)
• Sensors: temperature, absolute pressure and relative humidity of sample air (internal and external)
• Power supply: 110 … 240 VAC; 50/60 Hz; max. 20 W
• Aerosol conditions: temperature 0 … 40 °C; relative humidity 0 … 95 % (non-condensing); absolute pressure range 600 … 1,100 hPa
• Carrier gas: air and inert gases
• Operating conditions: temperature 10 … +40 °C; relative humidity 0 … 95 % (non-condensing); ambient pressure 790 … 1,100 hPa
• System components: FCE 5705; FCE 5705 controller
• Dimensions (H x W x L): FCE 5705: 19 x 9 x 9 cm; FCE 5705 controller: 20 x 26.5 x 24.5 cm
• Weight: FCE 5705: 2.0 kg; FCE 5705 controller: 5.2 kg