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Isokinetic sampling set 1152

GRIMM 1152
Isokinetic sampling set

Special tube in tube probe for GRIMM aerosol spectrometers for correct determination of the particle size distribution and dust mass fractions in gases. Suitable for all models with 1.2 l/min sample volume flow. 


Functionality: Isokinetics, air recirculation

  • Isokinetic and isoaxial sampling up to velocities of 25 m/s
  • Four selectable inlet nozzles
  • Exhaust air recirculation
  • Markings for exact positioning of the nozzle in the duct
  • Color spots for an isoaxial positioning of the inlet nozzle in the sampling air
  • Quick fix mechanic for easy use
  • Suitable for cross sections from 16 cm upwards
  • Straight extension for cross sections up to 100 cm
  • No particle cut-off
  • Easy-to-use
  • Adapt your measurement instrument to difficult sources
  • Stainless steel
  • Lossless measurements at higher wind speeds
  • Lossless measurements at varying air pressures
  • Technical data
Nozzle diameter by velocity3 mm: 2 … 4 m/s2 mm: 4 … 8 m/s1.5 mm: 8 … 16 m/s1 mm: 16 … 25 m/s
Probe radius9 cm (3.54 in)
Probe length bow25 cm (9.84 in)
Extension25 cm (9.84 in)
MaterialStainless steel
Connection pipe4 mm outer diameter (0.16 in)
Operating temperature+4 °C … +40 °C, (39 °F … 104 °F)RH < 95% (non condensing)
Transport and storage-20 °C … +50 °C, (-4 °F … 122 °F)RH < 95% (non condensing)
Pressure range±100 hPa to ambient pressure
Dimensions max50 x 1.2 cm (20 x 0.5 in)
Weight330 g (11.6 oz)Extension 120 g (4.2 oz)
  • Particle sampling at higher wind speeds and varying pressures

General information