Why should you consider the LI-7500 Open Path CO2/H2O
Gas Analyzer?

- 12.5 cm open-path sensor head
- Aerodynamic profile
- Accurately measures absolute densities
- No signal bouncing
- High precision, low noise
- Stable calibration
- Cutoff frequencies of 5, 10, or 20 Hz
- No external mirrors to get dirty
- Low power consumption (<10 watts after warm-up)
- Weatherproof electronic enclosure and sensor head
- Long-life source, detector, and brushless chopper motor
- Operates over large temperature range (-25 to 50 °C, down to °40
is also possible)
- Easy mounting
- Windows® software interface for easy setup and monitoring
- Two user-scalable DACs, updated at 300 Hz
- RS-232 outputs up to 20 Hz
- SDM outputs (for Campbell Scientific dataloggers)
- Programmable time delay for correlating data with other sensors