Bacharach Comfort Chek 400 Specifications

Comfort Chek® 400

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Safety & Specialty Products

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The Comfort Chek® 400
provides responsive,
reliable IAQ
monitoring.

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Features & Benets:

• Light weight, handheld monitor

• Simultaneously measure and display CO
temperature and RH

• User selection for display of air, wet bulb or dew point
temperature

• Audible alarm for CO2 readings

• Large, high resolution LCD display with bright backlight

• Automatically calculate and displays MIN, MAX,

STEL and TWA values for CO2

• Quick and easy calibration for CO

and RH

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2,

Economical and Accurate

The Comfort Chek® 400 is Bacharach’s new low cost and easy-to-use indoor air quality (IAQ) monitor designed
with three sensors to simultaneously measure and record temperature, relative humidity and carbon dioxide (CO
levels in the air. The large LCD displays all three sensor readings as well as battery status and is backlit for easy
readability in dark environments. The Comfort Chek

supplied wall adapter is ideal for around the clock air quality monitoring in ofce environments, schools, hotels or

other public buildings.

1-800-736-4666 | 724-334-5000 | www.MyBacharach.com | [e-mail]

®

400 operates up to 24 hours with alkaline batteries, or the

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Comfort Chek

400

• Compact and lightweight air quality

monitor

®

• Stable CO

sensor measuring,

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displaying 0-5,000 ppm

• Long run time (up to 24 hours)

• Ideal for indoor air quality monitoring,

HVAC measurements and ventilation

verication for ASHRAE compliance

Comfort Chek® 400 Specifications

Gases Detected: Carbon Dioxide

Detection Principle: Non-Dispersive Infrared (NDIR)

Other Measurements:

Temperature 14° F to 140° F (-10° C to 60° C) 0.1° Resolution
Relative Humidity 0-99.9% Non Condensing / 0.1% Resolution

Range/Resolution: CO

Accuracy: CO

Warm-up Time: 30 Seconds

Dimensions: 6.6” L x 2.75” W x 1.25” D (17 cm x 7 cm x 3.2 cm)

Weight: 7.1 oz (200 g) including batteries

= 0-5,000 ppm / 1 ppm increments

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= ±30 ppm ±5% of reading

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The Comfort Chek® 400 includes
durable hard-shell carrying case,
batteries, wall adapter with North
American plug (plus 3 international
adapters) and detailed user manual.

Display: Backlit LCD Display, Simultaneously Displays CO
MIN, MAX, STEL or TWA), Temp (Air, DP or WB) and RH

Alarm: User Selectable Alarm Level; Can be Silenced

Operating

Temperature Range: 32° F to 122° F (0° C to 50° C)

Operating Humidity
Range: 0-95% RH Non-Condensing

Power: 4 AA Alkaline Batteries - disposable only (included)
9 VDC 100-240 VAC Wall Adapter (N. Am. plug + 3 internat’l

adapters) included for power only - not for charging.

Run Time: 20 - 24 Hours (Batteries); Continuous w/Wall Adapter

Approvals: CE Mark

Warranty: Instrument and CO

Comfort Chek® 400

1580-8001 Comfort Chek® 400 Kit (instrument comes with batteries, wall adapter (N. Am.

1509-0007 Replacement Wall Adapter

plug + 3 international adapters), user manual and hard-shell carrying case

Sensor - Two Years

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Ordering Information

(realtime,

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BACHARACH IS A U.S.
BASED MANUFACTURER

Distributed By:

Bacharach® is a registered trademark of Bacharach, Inc.

©2013, Bacharach, Inc., all rights reserved. Information and specications subject to change.

May 2013 – Rev. 2 Printed in U.S.A.