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Faraday cup electrometer GRIMM FCE 5705 with FCE 5705 controller

GRIMM FCE 5705
Faraday cup electrometer

The FCE 5705 faraday cup aerosol electrometer is the trusted reference for nanoparticle counting. Designed for calibration, research, and emissions testing, it offers traceable measurements, no consumables, and full compliance with ISO and EU standards.


Technology: Faraday cup electrometer

  • Modular, ready-to-use system
    Complete solution for quick setup and precise flow adjustment to operating conditions.
  • User-friendly operation with large touchscreen display
    Enables intuitive control, clear data visualization, and easy configuration.
  • No consumables required
    Minimizes operating costs and simplifies maintenance for continuous, long-term use.
  • Traceable calibrations for consistent accuracy
    Calibration factors can be stored in internal memory to ensure reliable, reproducible measurements.
  • Extremely precise flow control
    Minimizing measurement uncertainties of the particle number concentration.
  • High-resolution data acquisition
    Adjustable sampling rates from 1 to 64 Hz provide detailed insights for dynamic processes.
  • Flexible data communication
    Supports Modbus TCP/RTU, USB, Ethernet, and WiFi for seamless integration into modern data systems.
  • Stand-alone functionality with internal memory
    32 GB memory and .csv download to USB allow easy data handling without external PC connection.
  • Wide power supply range
    Operates from 110 to 240 V, 50/60 Hz, for global compatibility in various lab and industrial environments.
  • Compatible with other GRIMM products
    The FCE 5705 controller fits all FCE generations for easy upgrade and FCE 5705 can be used in an SMPS+E setup when combined with DMA controller 5706.


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 methods for determining the particle number concentration and size distribution in ambient air)
  • Particle Measurement Programme (Euro 5, 6 and 7) 
  • UN GTR No.24 (brake emissions)
  • Research laboratories and universities
    Fundamental aerosol research and inhalation or exposure studies
  • Calibration laboratories
    Calibration of condensation particle counters (CPCs) and other aerosol instruments in compliance with ISO 27891:2015 and ISO 15900:2020
  • Industrial and nanotechnology processes
    Monitoring of nanoparticle concentrations during production and processing
  • Environmental monitoring stations
    Determination of particle number concentration and size distribution in ambient air as per EN 16976:2024 and CEN/TS 17434:2020
  • Automotive and brake emission testing
    Particle number and size distribution measurements to support compliance with Euro 5, 6, 7 Particle Measurement Programme and UN GTR No.24
  • Filter and printer emission testing facilities
    Evaluation of filter efficiency and assessment of printer particle emissions
  • Engine and exhaust test benches
    Measurement of particle emissions from combustion engines
  • Technical data
Detector typeFaraday cup electrometer
Measuring variableElectric current (fA) and particle number concentration (particles/cm³)
Max. current±4,000 fA
Max. particle concentration1.5 x 106 singly charged particles/cm³
Current measurement resolution±0.01 fA
Average noise level0.35 fA
Response time t10 … t90< 0.25 s
Data sampling rate1 … 64 Hz adjustable in 2ⁿ Hz (n = 0 … 6)
Sample flow rate0.3 … 10 l/min adjustable in 0.1 l/min increments
Sample flow accuracy±1.5% (over full flow range)
External vacuum≤ 350 hPa at NPT
Operation and display5″ touchscreen display Optional: GRIMM FCE 5705 software on PC
ConnectivityUSB, Ethernet, WiFi*, USB flashdrive, analog input for T/p/RH sensors
Internal memory32 GB (28.8 GB useable)
SensorsInternal and external T, pₐᵦₛ and RH of sample air
Power supply110 … 240 VAC; 50/60 Hz; max. 20 W
Aerosol conditionsTemperature: 0 … 40 °C (32 … 104 °F)Humidity: 0 … 95% RH, non-condensingAbsolute pressure range: 600 … 1,100 hPa
Aerosol carrier gasAir and inert gases
Operating conditionsTemperature: 10 … +40 °C (50 … 104 °F)Humidity: 0 … 95% RH, non-condensingAmbient pressure range: 790 … 1,100 hPa
System componentsFCE 5705FCE 5705 controller
Dimensions (h x w x d)FCE 5705: 19 x 9 x 9 cm (7.5 x 3.5 x 3.5ˮ) FCE 5705 controller: 20 x 26.5 x 24.5 cm (7.87 x 10.43 x 9.65ˮ)
WeightFCE 5705: 2.0 kg (4.4 lbs) FCE 5705 controller: 5.2 kg (11,5 lbs)

* With optional external WiFi module

  • Optional
FCE 5705 BNC: Adapter for directly supplying a reference current to the electrometer (calibration)

Product Information

General information

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