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Low cost portable meter checking indoor air quality |
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Big dual display lcd with 2 parameters
Simultaneously: CO2 ,Temperature |
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Design with ndir (non-dispersive infrared)
Wave guide technology sensor |
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Manual calibration is recommended |
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Warning carbon dioxide level |
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Backlight function for working in dark |
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Longtime drift compensation |
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Audible alarm (-80db) threshold setting |
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Max ,min, average functions included |
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RS232 output every 2 seconds to pc for analysis |
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Hold function freezes current readings |
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Display 8 hrs twa value (time-weighted average) Or 15 minutes stel value (short-term exposure limit) |
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Housing designed surrounds with rails to help Air ventilation for quick and accurate response |
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Easy to calibrate at fresh air around 380-420ppm |
