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AZ Instrument Corp.
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AZ-Instrument - Model 7755 - CO2/Temp ...

AZ-Instrument - Model 7755 -CO2/Temp RH Meter

FromAZ Instrument Corp.

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Low cost portable meter checking poor indoor air quality in office, Triple display 3 parameters simulatneously : co2, temperature and r.humidity and display air/dew point/wet bulb temp. By selection, Warning carbon dioxide level, Big lcd display with high resolution, Design with ndir (non-dispersive infrared) waveguide technology sensor, Manual calibration is recommended

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Low cost portable meter checking indoor air quality
Big dual display lcd with 3 parameters
Simultaneously: c02 jemperature & humidity
Design with ndir (non-dispersive infrared)
Waveguide technology sensor
Manual calibration is recommended
Warning carbon dioxide level
Backlight function for working in dark
Long time drift compensation
Audible alarm (-80db)threshold setting
Max ,min, average functions included
Rs232 output every 2 seconds to pc for analysis
Hold function freezes current readings
Display 8 hrs twa value (time-weighted average)
Or 15 minutes stel value (short-term exposure limit)
Housing designed surrounds with rails to help
Air ventilation for quick and accurate response
Easyto calibrate at fresh air around 380-420ppm