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EGM 4 - PP SYSTEMS PDF Print E-mail
Written by Administrator   
Monday, 18 January 2010 23:23

EGM-4 Environmental Gas Monitor

The EGM-4 is a compact, lightweight instrument with a rugged aluminum enclosure making it a very portable and durable product. Additionally, the EGM-4 features an integral, rechargeable 12V battery and long life air sampling pump that can be used for both dynamic and static measurements. Data can be recorded manually or automatically at intervals selected by the user.

The EGM-4 can be supplied with two different optical benches calibrated specifically to the range required. One bench is optimized for measurement ranges of CO2 up to 30000 ppm and another for ranges above 30000 up to 100000 ppm. For users that want to recalibrate the gas analyzer to a new level, this can easily be achieved as long as it is within the range for that particular optical bench.

The design of the EGM-4 ensures an inherent calibration stability that has been confirmed by over 35 years of experience in gas analysis technology. It features a non-dispersive, infrared measurement technique coupled with microprocessor based in signal processing resulting in precise measurement of CO2. Our innovative “Auto-Zero” technology and insulated, thermostatically controlled optical bench ensures fast warm-up, long term stability, accuracy and analyzer calibration.

The SRC-1 Soil Respiration Chamber and CPY-4 Canopy Assimilation Chamber can be used with the EGM-4 for measurement of soil and canopy flux.


  • Plant physiology
  • Soil CO2 efflux
  • Whole canopy assimilation
  • Global change studies
  • CO2 sequestration
  • Forest & agricultural meteorology
  • Air-sea surface exchange (pCO2)
  • Animal/insect respiration
  • Environmental toxicology
  • Volcanology
  • Bioremediation

PP Systems’ range of environmental sensors can also be used with the EGM-4 for measurement of:

  • Temperature and PAR (TRP-2)
  • PAR
  • Oxygen (OP-2)
  • Humidity
Last Updated on Tuesday, 02 February 2016 11:57

GMR Strumenti

Welcome to GMR Strumenti new home page, in this site you'll find our wide scientific instruments range. GMR Strumenti is the Italian exclusive distributor for many leading manufacturers of equipment for environmental research and agronomy.

GMR Strumenti is the PP Systems' European support unit