CO  Monitor
CO  Detectors

Pro-Tech 7035 Battery Powered CO Alarm with Digital Display

    Model 7035

  • Lithium Battery Powered
  • Electrochemical Sensor
  • Digital LCD Display
  • Peak Level Memory
  • Peak Level Time Record
  • Sensor Life Monitor
  • ANSI/UL 2034-05 Listed
  • CSA and IAS Certified
  • Complies with NFPA 720
  • Five Year Warranty
List Price - $75.95 ea.
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UltraLife 5 Year Lithium Battery
Five Year
Lithium Battery


The PRO-TECH 7035 Lithium Battery Powered Carbon Monoxide Detectors combine all of the best features in the market into one product.

Carbon monoxide levels are measured and recorded by a state-of-the-art electrochemical sensor. When a chronic carbon monoxide level of 70 ppm or more is detected, a flashing Red LED and 85db pulsating alarm are activated, and the carbon monoxide level is alpha-numerically displayed up to 500 ppm.

Pressing the reset button temporarily mutes the audible signal while the carbon monoxide level is rechecked. If carbon monoxide remains at 70 ppm or higher, the visual and audible alarm signals are automatically reactivated. After ventilation, the LED is auto-reset to a flashing Green (power on), the audible signal is silenced, and detection restarts. 

The current and peak carbon monoxide level detected (from 10 to 500 ppm), peak time duration, and COHb calculation can be displayed by pressing the test/reset button.

An internal clock monitors the sensor life and activates visual and audible expiration signals at five years. The Lithium battery included should last the life of the carbon monoxide detectors.

The Pro-Tech 7035 Carbon Monoxide Detectors are engineered and manufactured under an ISO 9001 Quality Management System for improved product quality, reliability, and customer confidence. Backed by a five year limited factory warranty.


  • Lithium Battery Powered:  A five year UltraLife 9vDC Lithium Battery is included with all Pro-Tech 7035 Carbon Monoxide Detectors.
  • Electrochemical Sensor:  The state-of-the-art electrochemical sensor is exceptionally reliable and accurate, with an estimated 5 year life expectancy.
  • Digital Display:  Carbon monoxide levels detected between 30 to 500 ppm are automatically displayed when alarm is activated. The LCD readout flashes above 500ppm.
  • Current CO Display:  The current carbon monoxide level detected can be displayed from 10 to 500 ppm.
  • Peak Level Memory:  Recalls from memory the highest carbon monoxide level detected from 10 to 500ppm.
  • Peak Level Time Record:  The duration of the stored peak carbon monoxide level can be displayed by pressing the test/reset button.
  • COHb Calculation:  Displays an estimate of the amount of carbon monoxide which is potentially bound to hemoglobin.
  • Sensor Life Monitor:  An internal clock is activated once the lithium battery is installed.  Visual and audible signals notify when sensor life has expired.
  • UL 2034-05 Listed:  Pro-Tech carbon monoxide detectors are Underwriters Laboratories tested and listed to ANSI/UL 2034-2005.
  • CSA & IAS Certified:  The Pro-Tech 7035 Lithium Powered Carbon Monoxide Detectors are also Certified to CSA 6.19-01 and IAS 6-96-2nd Edition, carries the Blue Star and Blue Flame approvals, and includes Lifetime Reliability Testing.
  • Complies with NFPA 720-05:  Meets the National Fire Protection Association's Recommended Practice for the Installation of Household Carbon Monoxide (CO) Warning Equipment.
  • ISO 9001 Quality Management System:  The Pro-Tech 7035 carbon monoxide detectors are manufactured under an internationally recognized, rigorous framework for enhancing product quality, reliability, and customer confidence.
  • Five Year Warranty:  The Pro-Tech 7035 Lithium Battery Powered Carbon Monoxide Detectors are backed by a Five Year Limited Factory Warranty.


  • Power Supply:  9vDC Lithium Battery (included)
  • Operating Temperature:  40°F to 100°F
  • Sensor:  Electrochemical
  • Gas Detected:  Carbon Monoxide (CO)
  • CO Sampling Cycle:  Every 2 minutes
  • Digital Display:  LCD alpha-numeric CO readout 30-500ppm during alarm
  • Current CO Reading:  Displays current CO level from 10-500ppm
  • Peak Level Memory:  Recalls highest CO detected from 10-500ppm
  • Peak Level Time Record:  Displays duration of peak CO level
  • Display Tolerance @ 10-30ppm ±15ppm, 50% RH, 22°C±3°C upright
  • Display Tolerance @ 30-500ppm ±35%, 50% RH, 22°C±3°C upright
  • COHb Display:  Calculates COHb equivalent from 0.0%-99.9%
  • Life Monitor:  Sensor expiration signal @ five years
  • Power Signal:  Flashing Green LED
  • Audible Signal:  85db @ 10ft
  • Chronic Alarm Time:  40-70ppm / 60-240 minutes
  • Acute Alarm Time:  400ppm / 4-15 minutes
  • Alarm Visual Signal:  Flashing Red LED
  • Alarm Audible Signal:  4 beeps every 6 seconds
  • Low Battery Visual Signal:  Flashing Green LED
  • Low Battery Audible Signal:  1 beep per minute
  • Malfunction Visual Signal:  Flashing Red LED
  • Malfunction Audible Signal:  1 beep per minute
  • Case Color:  White
  • Case Size:  6½” x 3¾” x 1¾”
  • Applicable Standards:  ANSI/UL 2034-05,
    CSA 6.19-01, IAS 6-96 2nd Ed., NFPA 720-05
  • Test Laboratory:  Underwriter’s Laboratories
  • Warranty:  Five Year Limited Factory Warranty

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