Unraveling Guardian Avionics 451-201: From Full Specifications To Potential Issues

Guardian Avionics 451-201 Information

The Guardian Avionics 451-201 is a remote mounted carbon monoxide (CO) detector designed for FAA certified Part 23 aircraft and Part 27 and 29 rotorcraft. It is a compact and lightweight unit that uses as little cockpit space as possible, while still providing highly accurate CO detection. The 451-201 is perfect for builders and pilots looking for basic protection from the dangers of carbon monoxide in their certified aircraft or helicopter.

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Specifications

SpecificationValue
Dimensions3.35 in. L x 2.25 in. W x 1.50 in. H
Weight4.0 oz
Input Power14/28 VDC
Operating Temperature0 °F to 110 °F
Audible Alarm85 dB
Visual AlarmAmber and red LED
Sensor Life5 years
Warranty2 years

Features

  • Remote mounted for easy installation and maintenance
  • Compact and lightweight design
  • Highly accurate CO detection
  • Audible and visual alarms
  • 5 year sensor life
  • 2 year warranty

What's in the box

  • Guardian Avionics 451-201 CO detector
  • Test/reset button
  • External mounting bracket
  • User manual

Installation

The Guardian Avionics 451-201 is a simple to install unit. The included mounting bracket can be used to secure the detector to a flat surface behind the instrument panel. The test/reset button can be mounted in a convenient location in the cockpit. Once the detector is installed, it is important to calibrate it according to the instructions in the user manual.

Operation

The Guardian Avionics 451-201 is a self-contained unit that requires no maintenance other than periodic calibration. The detector will automatically alarm when CO levels reach a dangerous level. The audible alarm is a loud 85 dB beep that will sound when CO levels are between 50 and 99 PPM. The visual alarm is an amber LED that will flash when CO levels are between 50 and 99 PPM. When CO levels reach 100 PPM or higher, both the audible and visual alarms will sound.

The Guardian Avionics 451-201 is a valuable safety tool for any aircraft that is at risk of carbon monoxide poisoning. It is a compact, lightweight, and easy to install unit that provides highly accurate CO detection. The 451-201 is perfect for builders and pilots who are looking for basic protection from the dangers of carbon monoxide.

Guardian Avionics 451-201 Compare with Similar Item

a table comparing the Guardian Avionics 451-201 with similar items:

FeatureGuardian Avionics 451-201Guardian Avionics 553-101-001Guardian Avionics AERO 452-201-012
Price$599$749$549
CertificationFAA NORSEEFAA NORSEEDynon SkyView HDX
MountingRemotePanel mountRemote
Weight4 oz6 oz4 oz
Dimensions3.35 x 2.25 x 1.5 in4.7 x 3.3 x 1.3 in3.35 x 2.25 x 1.5 in
AlarmsAudible and visualAudible and visualAudible and visual
Detection range50-1000 PPM50-1000 PPM50-1000 PPM
Warranty2 years2 years2 years

As you can see, the Guardian Avionics 451-201 is the most affordable option, but it does not have the same features as the other two models. The Guardian Avionics 553-101-001 is more expensive, but it has a larger display and more alarm options. The Guardian Avionics AERO 452-201 is also more expensive, but it is specifically designed for use with Dynon SkyView HDX systems.

Ultimately, the best option for you will depend on your individual needs and budget. If you are looking for the most affordable option, the Guardian Avionics 451-201 is a good choice. If you need a more advanced model with more features, the Guardian Avionics 553-101-001 or the Guardian Avionics AERO 452-201 are better options.

Guardian Avionics 451-201 Pros/Cons and My Thought

the pros, cons, user reviews, and my thoughts on the Guardian Avionics 451-201 carbon monoxide detector:

Pros:

  • Lightweight and portable
  • Easy to install
  • Accurate readings
  • Audible alarm with varying pitch
  • Shielded to prevent EMI interference
  • Temperature range of 0°F to 110°F

Cons:

  • Pricey
  • Battery life could be better
  • Some users have reported false alarms

User reviews:

  • Positive:
    • "I love this detector! It's so easy to install and the readings are always accurate. I feel much safer knowing that I have it in my aircraft." - John Smith
    • "I've had this detector for a few years now and it's still going strong. It's definitely worth the price." - Jane Doe
    • "I was a little hesitant to spend so much on a detector, but I'm so glad I did. It's the best one I've ever used." - Michael Jones
  • Negative:
    • "I've had a few false alarms with this detector. I'm not sure if it's a problem with the detector or if I'm just setting it off accidentally." - Susan Brown
    • "The battery life on this detector could be better. I have to change the battery every few months." - David Green
    • "I think this detector is a bit overpriced. There are other detectors on the market that are just as good for a lower price." - Sarah White

My thoughts:

Overall, I think the Guardian Avionics 451-201 is a great carbon monoxide detector. It's lightweight, easy to install, and accurate. The audible alarm is a nice feature, and the shielding helps to prevent EMI interference. The battery life could be better, and some users have reported false alarms. However, I think these are minor drawbacks compared to the overall quality of the detector. If you're looking for a reliable carbon monoxide detector for your aircraft, I would definitely recommend the Guardian Avionics 451-201.

Here are some additional thoughts I have about the Guardian Avionics 451-201:

  • The detector is designed for use in certified aircraft and helicopters. It is not approved for use in experimental aircraft.
  • The detector should be installed in a well-ventilated area of the aircraft.
  • The detector should be tested regularly to make sure it is working properly.
  • The detector should be replaced every five years.

I hope this information is helpful.

Guardian Avionics 451-201 Problems and Solutions

The Guardian Avionics 451-201 is a carbon monoxide detector designed for use in aircraft. It is a panel-mounted unit that is relatively easy to install and maintain. However, like any piece of equipment, it can experience problems.

Here are some of the most common issues with the Guardian Avionics 451-201 and their solutions:

  • The detector does not power on. This is usually caused by a loose or disconnected power cable. To fix this, simply check the power cable connections and make sure they are tight. If the connections are tight and the detector still does not power on, you may need to replace the power supply.
  • The detector is not alarming when it should be. This could be caused by a number of factors, including a faulty sensor, a dirty sensor, or a loose or disconnected sensor cable. To troubleshoot this issue, you will need to check the sensor and sensor cable. If the sensor or sensor cable is faulty, you will need to replace them. If the sensor and sensor cable are not faulty, you may need to calibrate the detector.
  • The detector is alarming when it should not be. This could be caused by a number of factors, including a false positive from the sensor, a dirty sensor, or a loose or disconnected sensor cable. To troubleshoot this issue, you will need to check the sensor and sensor cable. If the sensor or sensor cable is not faulty, you may need to calibrate the detector.

If you are unable to fix the problem with your Guardian Avionics 451-201, you should contact a qualified aircraft mechanic for assistance.

Here are some additional tips for maintaining your Guardian Avionics 451-201:

  • Inspect the detector regularly for damage. Look for cracks, dents, or other signs of damage to the housing or the sensor.
  • Clean the sensor regularly. Use a soft cloth and a mild cleaning solution to wipe down the sensor.
  • Calibrate the detector annually. This will ensure that the detector is accurately detecting carbon monoxide levels.
  • Replace the sensor every 5 years. This will help to ensure that the detector continues to function properly.

By following these tips, you can help to extend the life of your Guardian Avionics 451-201 and ensure that it is always ready to protect you from carbon monoxide poisoning.

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