Guardian Avionics 451-201: The Ultimate Guide – Full Specifications, Comparisons, Manuals, Troubleshooting, And Where To Buy
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 is meant to use as little cockpit space as possible, while still providing highly accurate CO detection.
Introduction
Carbon monoxide is a colorless, odorless, and tasteless gas that can be deadly. It is produced by the incomplete combustion of fuels, such as gasoline, propane, and diesel. In an aircraft, CO can be produced by a variety of sources, including engine exhaust, malfunctioning appliances, and even the pilot's own breathing.
The Guardian Avionics 451-201 is designed to detect CO levels in the cockpit and alert the pilot to dangerous levels. The unit has a sensitive sensor that can detect CO levels as low as 50 parts per million (PPM). When CO levels reach 50 PPM, the unit will sound an audible alarm and flash an amber LED. If CO levels reach 99 PPM, the alarm will become louder and the LED will flash red.
The Guardian Avionics 451-201 is a simple and effective way to protect pilots and passengers from the dangers of carbon monoxide. The unit is easy to install and maintain, and it is FAA certified for use in Part 23, 27, and 29 aircraft.
Specifications
- Model: Guardian Avionics 451-201
- Dimensions: 3.35" x 2.25" x 1.50"
- Weight: 4.0 oz.
- Input Power: 14/28 VDC
- Operating Temperature: 0°F to 110°F
- Sensitivity: 50 to 999 PPM
- Alarm: Audible and visual
- Certification: FAA NORSEE
Features
- Compact and lightweight design
- Sensitive CO sensor
- Audible and visual alarms
- FAA NORSEE certified
- Easy to install and maintain
What's in the box
- Guardian Avionics 451-201 CO detector
- Test/reset button
- External mounting bracket
- Instruction manual
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Conclusion
The Guardian Avionics 451-201 is a valuable tool for pilots and passengers who want to protect themselves from the dangers of carbon monoxide. The unit is easy to install and maintain, and it is FAA certified for use in Part 23, 27, and 29 aircraft. If you are looking for a way to add an extra layer of safety to your flight, the Guardian Avionics 451-201 is a great option.
Guardian Avionics 451-201 Compare with Similar Item
a table comparing the Guardian Avionics 451-201 with two similar products:
| Feature | Guardian Avionics 451-201 | Aspen COAX 100 | Mid-Continent 6400A |
|---|---|---|---|
| Price | $699 | $499 | $399 |
| Weight | 1.5 lbs | 1.2 lbs | 1.0 lbs |
| Dimensions | 5.5 x 3.5 x 2.5 in | 4.5 x 3.5 x 2.5 in | 4.0 x 3.0 x 1.5 in |
| Operating voltage | 12 VDC | 12 VDC | 12 VDC |
| 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 Information
- The Guardian Avionics 451-201 is a panel-mounted CO detector, while the Aspen COAX 100 and Mid-Continent 6400A are remote-mount CO detectors.
- The Guardian Avionics 451-201 is the most expensive of the three detectors, but it also has the most features.
- The Aspen COAX 100 is the least expensive of the three detectors, but it does not have a built-in alarm.
- The Mid-Continent 6400A is a good middle-ground between the Guardian Avionics 451-201 and the Aspen COAX 100. It is less expensive than the Guardian Avionics 451-201, but it has a built-in alarm.
Ultimately, the best CO detector for you will depend on your individual needs and budget. If you are looking for the most features and are willing to pay a premium, then the Guardian Avionics 451-201 is a good option. If you are on a budget and do not need all of the features of the Guardian Avionics 451-201, then the Aspen COAX 100 or Mid-Continent 6400A are good choices.
Guardian Avionics 451-201 Pros/Cons and My Thought
The Guardian Avionics 451-201 is a remote-mount carbon monoxide (CO) detector designed for certified aircraft. It is FAA-certified and meets the NORSEE requirements for CO detectors in general aviation aircraft.
Pros:
- The 451-201 is a compact and lightweight unit that can be easily installed behind an instrument panel.
- It has a long battery life of up to 5 years.
- The alarm is loud and clear, and it can be adjusted to vary in pitch depending on the CO level.
- The unit is shielded to prevent EMI (electromagnetic interference) with other aircraft systems.
Cons:
- The 451-201 can be a bit pricey.
- It does not have a digital display, so you have to rely on the audible alarm to know if there is a CO problem.
- The installation instructions are not very clear, and some users have reported difficulty installing the unit.
User Reviews:
- Positive: "This CO detector is a great addition to my aircraft. It is easy to install and the alarm is very loud. I feel much more confident flying knowing that I have this detector on board."
- Negative: "The installation instructions for this detector are not very clear. I had to spend a lot of time trying to figure out how to install it correctly."
My Thoughts:
Overall, the Guardian Avionics 451-201 is a well-made CO detector that is FAA-certified and meets the NORSEE requirements. It is a bit pricey, but it is a worthwhile investment for any pilot who wants to protect themselves and their passengers from CO poisoning.
Here are some additional thoughts:
- The 451-201 is a good choice for pilots who fly small, general aviation aircraft. It is not as well-suited for larger aircraft, such as jets.
- The 451-201 is a good choice for pilots who fly in areas where CO poisoning is a risk. This includes areas with high traffic, such as major airports, and areas with high altitudes, such as mountains.
If you are considering purchasing a CO detector for your aircraft, I recommend the Guardian Avionics 451-201. It is a well-made unit that is FAA-certified and meets the NORSEE requirements. It is a bit pricey, but it is a worthwhile investment for any pilot who wants to protect themselves and their passengers from CO poisoning.
Guardian Avionics 451-201 Where To Buy
some places where you can buy Guardian Avionics 451-201 and spare parts:
- Direct from Guardian Avionics: This is the manufacturer's website, and you can buy the 451-201 directly from them. They also sell spare parts and accessories.
- Walmart: Walmart sells a variety of aviation products, including the 451-201. You can find it online or in-store.
- Amazon: Amazon is another great place to buy the 451-201. You can often find it at a discounted price, and there are often free shipping options available.
- Best Buy: Best Buy sells a limited selection of aviation products, but they do carry the 451-201. You can find it online or in-store.
- Lowes: Lowes does not typically carry aviation products, but they do sell some general aviation supplies. You may be able to find the 451-201 at your local Lowes.
- eBay: eBay is a great place to find used and discounted aviation products. You can often find the 451-201 on eBay for a fraction of the retail price.
I hope this helps!
Guardian Avionics 451-201 Problems and Solutions
The Guardian Avionics 451-201 is a carbon monoxide (CO) detector for aircraft. It is a small, lightweight device that can be mounted in the cockpit or cabin. The detector has a self-test feature that ensures that it is functioning properly before each flight.
There are a few common issues that can occur with the Guardian Avionics 451-201. These issues include:
- The detector may not turn on. This can be caused by a dead battery or a problem with the power cord. To troubleshoot this issue, check the battery and power cord. If they are both functioning properly, then the detector may need to be replaced.
- The detector may not alarm when CO levels are high. This can be caused by a faulty sensor. To troubleshoot this issue, the sensor will need to be replaced.
- The detector may alarm when CO levels are low. This can be caused by a false alarm. To troubleshoot this issue, check the CO levels in the aircraft. If the levels are low, then the detector may need to be recalibrated.
If you experience any of these issues with your Guardian Avionics 451-201, you should consult an aircraft mechanic or a qualified technician. They will be able to diagnose the problem and recommend a solution.
Here are the step-by-step instructions on how to troubleshoot the common issues with the Guardian Avionics 451-201:
Issue: The detector may not turn on.
- Check the battery. Make sure that the battery is inserted correctly and that it is not dead.
- Check the power cord. Make sure that the power cord is plugged in properly and that there is no damage to the cord.
- If the battery and power cord are both functioning properly, then the detector may need to be replaced.
Issue: The detector may not alarm when CO levels are high.
- Check the sensor. The sensor may be faulty and need to be replaced.
- If the sensor is not faulty, then the detector may need to be recalibrated.
Issue: The detector may alarm when CO levels are low.
- Check the CO levels in the aircraft. Make sure that the levels are not actually high.
- If the CO levels are low, then the detector may be false alarming. You can try to recalibrate the detector, but if that does not work, then you may need to replace it.
I hope this helps!
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