CO₂ Probe GMP343

for Demanding Measurements

The Vaisala CARBOCAP® Carbon Dioxide Probe GMP343 is an accurate and rugged probe-type instrument for ecological measurements. Typical applications include CO₂ soil respiration, ambient CO₂ monitoring, plant growth chambers, and OEM applications. The GMP343 incorporates a single-beam, dual-wavelength CO₂ measurement with no moving parts.

The GMP343 can output both numerically filtered and raw measurement data and it can also compensate the measurement with an internal temperature measurement and user-set relative humidity, pressure and oxygen values. In combination with the handheld GM70, the GMP343 provides a tool for accurate in-situ measurement. The GM70 can be used as a display, communication and data logging device.

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Features

Excellent accuracy and stability

Vaisala CARBOCAP® Sensor, a silicon-based non-dispersive infrared (NDIR) sensor

A single-beam, dual-wavelength CO2 measurement with no moving parts

Compensation options for temperature, pressure, humidity and oxygen

Wide operating temperature and humidity ranges

Diffusion and flow-through models

For harsh environments

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Key Benefits

Low operating costs

The GMP343 is a small, lightweight but rugged diffusion-aspirated or flow-through CO2 probe with low power consumption and heat emission designed for use in harsh environments, especially outdoors, which reduces the operating costs.

Stable and reliable

The GMP343 has good stability both in terms of time, and temperature and also in a good stability flow.

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