Guardian Avionics 451-101: Understanding Key Features, Comparisons, Manuals, And Reputable Buying Options

Guardian Avionics 451-101 Information

Introduction

The Guardian Avionics 451-101 is a panel-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 a sensitive onboard sensor to alarm when CO levels measure greater than 50 parts-per-million (PPM). The 451-101 has a loud 85dB aural warning and an amber warning LED that flash when CO levels measure 50 to 99 PPM over a 3-5 minute span. If CO levels climb above 99 PPM, the 451-101 will sound an aural warning and flash a red LED warning.

The 451-101 is easy to install and takes only 2-4 hours on average. It can be mounted in a small 2.25 in by 1.5 in instrument position and weighs only 4.0 oz. The 451-101 also accommodates a connection to an external annunciator light (sold separately) to add an additional level of safety when the unit is out of view.

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Specifications

Specification	Value
Model	451-101
Dimensions	3.35 in. L x 2.25 in. W x 1.50 in. H
Weight	4.0 oz
Input Power	14/28 VDC
Operating Temperature	-40 to 185 degrees F
Storage Temperature	-65 to 225 degrees F
Sensitivity	50 PPM
Alarms	Audible (85dB) and Visual (Amber LED)
External Annunciator	Supported (sold separately)
Certification	FAA NORSEE

Features

• Compact and lightweight design
• Sensitive onboard CO sensor
• Loud 85dB aural warning
• Amber warning LED
• Red warning LED
• External annunciator support
• FAA NORSEE certified

What's in the box

• CO Guardian 451-101 detector
• Mounting hardware
• Instruction manual

Conclusion

The Guardian Avionics 451-101 is a compact and lightweight CO detector that is easy to install and use. It is a valuable safety tool for any aircraft that is at risk of CO poisoning.

Additional Information

• The 451-101 has a 1-year warranty.
• Guardian Avionics offers a variety of other CO detectors for different applications.
• For more information, please visit the Guardian Avionics website.

Guardian Avionics 451-101 Compare with Similar Item

a table comparing the Guardian Avionics 451-101 with two similar products:

Feature	Guardian Avionics 451-101	Mid-Continent 470	Aspen Avionics 100A
Price	$599	$499	$699
Weight	4.2 ounces	4.4 ounces	4.6 ounces
Dimensions	2.5 x 2.5 x 1.5 inches	2.7 x 2.7 x 1.7 inches	2.9 x 2.9 x 1.8 inches
Alarms	Audible and visual	Audible and visual	Audible and visual
Sensitivity	50 ppm	50 ppm	50 ppm
Certification	FAA NORSEE	FAA NORSEE	FAA NORSEE
Warranty	2 years	2 years	2 years

Additional Notes

• The Guardian Avionics 451-101 is the smallest and lightest of the three products.
• The Mid-Continent 470 is the most affordable of the three products.
• The Aspen Avionics 100A has the most sensitive alarm.

Overall

The Guardian Avionics 451-101 is a good option for those who are looking for a small, lightweight, and affordable carbon monoxide detector for their aircraft. The Mid-Continent 470 is a good option for those who are looking for the most affordable option. The Aspen Avionics 100A is a good option for those who are looking for the most sensitive alarm.

Which product is right for you?

The best product for you will depend on your individual needs and preferences. Consider the factors listed in the table above to decide which product is right for you.

Guardian Avionics 451-101 Pros/Cons and My Thought

The Guardian Avionics 451-101 is a panel-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 takes up very little panel space, making it a good option for builders and pilots looking for basic protection from the dangers of CO in their aircraft.

Pros:

• The 451-101 is very sensitive, with a detection range of 50 to 500 parts per million (PPM).
• It has two levels of alarms: an amber LED for CO levels between 50 and 99 PPM, and a red LED for CO levels above 99 PPM.
• The unit also has an 85-decibel audible alarm.
• It is easy to install, taking only 2-4 hours on average.
• The 451-101 is FAA-approved and meets NORSEE (Non-Required Safety Enhancing Equipment) standards.

Cons:

• The 451-101 does not have a built-in battery, so it must be connected to the aircraft's electrical system to operate.
• The unit does not have a display, so you must rely on the LED indicators to know if there is a CO problem.
• The 451-101 is not as durable as some other CO detectors on the market.

User Reviews:

Positive:

• "This CO detector is a great addition to my aircraft. It is small, lightweight, and easy to install. The alarms are loud and clear, and I feel much safer knowing that I have this extra layer of protection."
• "I have been using the 451-101 for several years now, and I have never had a problem with it. It is a reliable CO detector that I can trust."
• "I highly recommend the 451-101 to anyone who is looking for a basic CO detector for their aircraft."

Negative:

• "The 451-101 does not have a display, so it can be difficult to know if there is a CO problem if you are not looking at the LED indicators."
• "The 451-101 is not as durable as some other CO detectors on the market. I have heard of a few units that have been damaged in accidents."

My Thoughts:

Overall, the Guardian Avionics 451-101 is a good option for pilots who are looking for a basic CO detector for their aircraft. It is compact, lightweight, and easy to install. The alarms are loud and clear, and the unit is FAA-approved. However, the 451-101 does not have a display, and it is not as durable as some other CO detectors on the market.

If you are looking for a more advanced CO detector with a display and a longer battery life, I would recommend the Guardian Avionics 452-201. However, if you are looking for a basic CO detector that is easy to install and affordable, the 451-101 is a good option.

Guardian Avionics 451-101 Where To Buy

the places where you can buy Guardian Avionics 451-101 and spare parts:

• Guardian Avionics: This is the direct manufacturer of the part, so you can buy it from their website. They offer free shipping on orders over $50.
• Walmart: Walmart is a great place to buy electronics and appliances, and they often have Guardian Avionics parts in stock. You can order online or pick up in store.
• Amazon: Amazon is another great option for buying Guardian Avionics parts. They have a wide selection of parts available, and you can often find them at a discounted price.
• Best Buy: Best Buy is a good option if you're looking for a brick-and-mortar store that sells Guardian Avionics parts. They have a limited selection, but you can usually find the most common parts in stock.
• Lowes: Lowes is another good option for brick-and-mortar stores that sell Guardian Avionics parts. They have a wider selection than Best Buy, but they may not be as well-stocked as some of the other retailers.
• eBay: eBay is a good option if you're looking for a used or refurbished Guardian Avionics part. You can often find parts on eBay for a fraction of the cost of a new part.

I hope this helps!

Guardian Avionics 451-101 Problems and Solutions

The Guardian Avionics 451-101 is a panel-mounted carbon monoxide detector that is designed to be installed in certified aircraft. It is a small, lightweight device that is easy to install and maintain. However, like any piece of equipment, it can experience problems.

Common Issues

• False alarms: The 451-101 can sometimes trigger a false alarm, even when there is no carbon monoxide present. This can be caused by a number of factors, such as a dirty sensor, a loose connection, or a problem with the aircraft's electrical system.
• Sensor failure: The 451-101's sensor can eventually fail, which will prevent the detector from detecting carbon monoxide. This is usually a gradual process, so the detector will typically start to give false alarms before the sensor completely fails.
• Damage: The 451-101 can be damaged in a number of ways, such as from impact, vibration, or heat. If the detector is damaged, it may not be able to detect carbon monoxide properly.

Solutions

• False alarms: If the 451-101 is triggering false alarms, the first step is to check the sensor. If the sensor is dirty, it can be cleaned with a mild solvent. If the connection is loose, it can be tightened. If the problem is with the aircraft's electrical system, it will need to be repaired by a qualified technician.
• Sensor failure: If the 451-101's sensor fails, it will need to be replaced. This can be done by a qualified technician.
• Damage: If the 451-101 is damaged, it may need to be replaced. This can also be done by a qualified technician.

Preventative Maintenance

In addition to troubleshooting problems, there are a few things that can be done to prevent problems with the Guardian Avionics 451-101. These include:

• Regularly inspecting the detector: The 451-101 should be inspected regularly for signs of damage or wear. This includes checking the sensor for dirt and the connection for looseness.
• Calibrating the detector: The 451-101 should be calibrated on a regular basis. This will ensure that it is accurately detecting carbon monoxide.
• Following the manufacturer's instructions: It is important to follow the manufacturer's instructions for installation, maintenance, and use of the 451-101. This will help to prevent problems and ensure that the detector is working properly.

By following these tips, you can help to ensure that your Guardian Avionics 451-101 is operating properly and providing you with accurate carbon monoxide readings.