Bacharach Comfort Chek 400 Especificaciones descargar pdf (Pagina 8)

Comfort Chek



400 Operation Manual

2 1509-9000 Rev 4

1.2. Comfort Chek



400 Shipping Checklist

This checklist ensures that you have received everything required to run your

Comfort Chek 400. If you do not receive any of the items listed below, contact the

factory immediately.

• Comfort Chek



400 instrument

• 4 x “AA” alkaline batteries

• AC wall adapter (with North American plug)

• Operation manual

• Black plastic carrying/storage case

1.3. Key Features

Features of the Comfort Chek



400 include the following.

• Displays CO

, temperature and RH simultaneously

• Stable NDIR sensor for CO

detection

• Statistics for STEL and TWA

• Backlit LCD display for dark areas

• Audible alarm for CO

readings

• Battery (operates up to 10 hours) or continuously with wall adapter power supply

• Easy user calibration for CO

1.4. General CO

Guidelines

General CO

indoor air quality guidelines are summarized in the chart below. Aside

from the OSHA level of 5000 ppm for unsafe CO

levels, the other guidelines of

normal (300-400 ppm) and poorly ventilated (1000-1100 ppm) are generally accepted

standards for indoor air quality. Your guidelines may vary based on local practices

and personal preferences. Refer to Section 7 for additional information.

Figure 1-3. General CO

Guidelines

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