Guardian Avionics 451-201 Vs. Competitors: In-depth Comparison Of Specs, Performance, And Price
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. 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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Full specifications
| Specification | Value |
|---|---|
| Model | CO Guardian 451-201 |
| Part Number | 451-201 |
| Weight | 4.0 oz |
| Dimensions | 3.35 in. L x 2.25 in. W x 1.50 in. H |
| Input Power | 14/28 VDC |
| Operating Temperature Range | 0 °F to 110 °F |
| Sensitivity | 50 PPM |
| Alarms | Audible (85 dB) and visual (LED) |
| Certifications | FAA NORSEE |
Features
- Compact and lightweight design
- Highly accurate CO detection
- Simple installation
- Two-level audible and visual alarms
- FAA NORSEE certified
What's in the box
- CO Guardian 451-201 detector
- Test/reset button
- External mounting bracket
- Solder cup connector
- Crimp connector kit
- Instructions
How to install the Guardian Avionics 451-201
The Guardian Avionics 451-201 is a remote mounted CO detector, which means that it is not installed directly in the cockpit. Instead, it is mounted behind the instrument panel and connected to a reset/test button and an annunciator/alert light. The installation process is relatively simple and can be completed in 2-4 hours by a qualified technician.
How to use the Guardian Avionics 451-201
The Guardian Avionics 451-201 is a self-contained unit that does not require any user intervention. The detector will automatically detect CO levels and sound an alarm if the levels exceed 50 PPM. The alarm will consist of an audible tone and a flashing LED light. The alarm will continue to sound until the CO levels return to safe levels.
The Guardian Avionics 451-201 is a valuable safety device that can help to protect pilots and passengers from the dangers of carbon monoxide poisoning. It is a compact, lightweight, and easy-to-install unit that provides highly accurate CO detection. If you are looking for a CO detector for your certified aircraft or helicopter, 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 similar items:
| Feature | Guardian Avionics 451-201 | Midtronics 3000A | Aircraft Spruce & Specialty CO Monitor |
|---|---|---|---|
| Model | 451-201 | 3000A | CO Monitor |
| Certification | FAA NORSEE | FAA TSO C144a | FAA TSO C144a |
| Detection range | 50-1000 PPM | 50-1000 PPM | 50-1000 PPM |
| Alarms | Audible and visual | Audible and visual | Audible and visual |
| Weight | 4 oz | 4.8 oz | 4.5 oz |
| Dimensions | 2.5 x 2.5 x 1.5 in | 2.8 x 2.8 x 1.5 in | 2.7 x 2.7 x 1.5 in |
| Price | $399 | $449 | $429 |
As you can see, the Guardian Avionics 451-201 is very similar to the Midtronics 3000A and the Aircraft Spruce & Specialty CO Monitor. All three detectors are FAA certified, have a detection range of 50-1000 PPM, and have audible and visual alarms. The Guardian Avionics 451-201 is the lightest of the three detectors, but it is also the most expensive. The Midtronics 3000A is slightly heavier and more expensive than the Guardian Avionics 451-201, but it comes with a lifetime warranty. The Aircraft Spruce & Specialty CO Monitor is the least expensive of the three detectors, but it does not come with a lifetime warranty.
Ultimately, the best carbon monoxide detector for you will depend on your individual needs and budget. If you are looking for the lightest and most affordable option, the Aircraft Spruce & Specialty CO Monitor is a good choice. If you are looking for a detector with a lifetime warranty, the Midtronics 3000A is a good option. And if you are looking for the most accurate detector, the Guardian Avionics 451-201 is a good option.
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
- Temperature compensated
- Built-in fan for optimum sensing
- Shielded to prevent EMI interference
- FAA NORSEE certified
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 flying with it in my aircraft."
- "I've had this detector for a few years now and it's still going strong. It's definitely worth the price."
- "I was a little hesitant to spend so much on a detector, but I'm glad I did. It's the best one I've ever used."
- Negative:
- "This detector is way too expensive."
- "The battery life is not very good. I have to change it every few months."
- "I've had a few false alarms with this detector."
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 great feature, and the temperature compensation is also a nice touch. The only real downside is the price, but if you're serious about safety, I think it's worth it.
Here are some additional thoughts:
- The Guardian Avionics 451-201 is designed for use in certified aircraft and helicopters. If you're flying an experimental aircraft, you may want to check with the manufacturer to make sure it's compatible.
- The detector comes with a two-year warranty. If you have any problems with it, the manufacturer will repair or replace it free of charge.
- The Guardian Avionics 451-201 is FAA NORSEE certified. This means that it meets the specific safety requirements set forth by the FAA for carbon monoxide detectors in aircraft.
If you're looking for a reliable and accurate carbon monoxide detector for your aircraft, I would definitely recommend the Guardian Avionics 451-201. It may be a bit pricey, but it's worth the investment for peace of mind.
Guardian Avionics 451-201 Where To Buy
Guardian Avionics 451-201 is a panel-mounted carbon monoxide detector that is designed for FAA-certified Part 23 aircraft and Part 27 and 29 rotorcraft. It is available for purchase directly from Guardian Avionics, as well as from several online retailers, including:
- Aircraft Spruce sells the Guardian Avionics 451-201 for $199.95. They also offer a variety of spare parts for the detector, including replacement sensors and mounting hardware.
- Amazon sells the Guardian Avionics 451-201 for $219.95. They also offer a variety of spare parts for the detector, but their selection is not as extensive as Aircraft Spruce's.
- Walmart does not currently sell the Guardian Avionics 451-201.
- Best Buy does not currently sell the Guardian Avionics 451-201.
- Lowe's does not currently sell the Guardian Avionics 451-201.
- eBay is another option for purchasing the Guardian Avionics 451-201. Prices on eBay vary, but you can often find the detector for less than the retail price.
It is important to note that the Guardian Avionics 451-201 is not a certified FAA instrument. If you are looking for a carbon monoxide detector for your aircraft that is FAA certified, you will need to purchase a different model.
Guardian Avionics 451-201 Problems and Solutions
The Guardian Avionics 451-201 is a carbon monoxide detector for certified aircraft. It is a small, lightweight device that can be mounted behind an instrument panel. The detector is designed to alert the pilot to the presence of carbon monoxide in the aircraft cabin.
The most common issue reported with the Guardian Avionics 451-201 is false alarms. This can be caused by a number of factors, including:
- A dirty or damaged sensor
- A loose connection
- A faulty circuit board
If the detector is giving false alarms, the first step is to check the sensor. The sensor is located on the front of the detector and is covered by a small plastic cover. To remove the cover, gently pry it off with a small screwdriver. Once the cover is removed, use a clean, dry cloth to wipe the sensor. If the sensor is dirty, this may be the cause of the false alarms.
If the sensor is clean, check the connections. The detector has two connectors, one for power and one for ground. Make sure that both connectors are tightly connected. If one or both connectors are loose, this could be causing the false alarms.
If the connections are tight and the sensor is clean, the problem may be a faulty circuit board. In this case, the detector will need to be replaced.
Here are the steps on how to troubleshoot and fix the common issues of Guardian Avionics 451-201:
- Check the sensor. The sensor is located on the front of the detector and is covered by a small plastic cover. To remove the cover, gently pry it off with a small screwdriver. Once the cover is removed, use a clean, dry cloth to wipe the sensor. If the sensor is dirty, this may be the cause of the false alarms.
- Check the connections. The detector has two connectors, one for power and one for ground. Make sure that both connectors are tightly connected. If one or both connectors are loose, this could be causing the false alarms.
- Replace the circuit board. If the sensor and connections are clean and tight, the problem may be a faulty circuit board. In this case, the detector will need to be replaced.
If you are not comfortable troubleshooting the detector yourself, you can take it to a qualified aviation mechanic for assistance.
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