1. Ham, Amateur Radio Communication For Sale
  2. sku: 10676204314595671
  3. ELECTRO METRICS ALR-25

ELECTRO-METRICS ALR-25 Magnetic Loop Hoop Antenna Emr Emi KHZ-30

Khz-30 Electro-metrics Alr-25 Magnetic Loop Hoop Antenna 10 Mhz Emr Emi Testing

( Brand: Electro-metrics ), ( Manufacturer Part Number: ALR-25 ), ( Type: Loop Antenna ), ( Compatible Brand: Multiple ), ( Country/region Of Manufacture: United States )

Review ELECTRO METRICS Magnetic Loop Hoop Antenna Mhz Emr Emi Testing

The Electro-Metrics ALR-25 Magnetic Loop Hoop Antenna is a versatile and high-performance radio frequency (RF) receiving device, designed to operate within the frequency range of 10 kHz to 30 MHz. This antenna is specifically engineered to provide excellent performance in the detection of electromagnetic radiation (EMR) and electromagnetic interference (EMI).

The ALR-25 features a unique magnetic loop design, which utilizes a hoop-shaped copper wire coil surrounded by a ferromagnetic material. This design allows the antenna to capture and focus RF energy, resulting in increased sensitivity and reduced noise levels. The copper wire coil is carefully wound to ensure optimal impedance matching with commonly used receivers, ensuring a clean and robust signal.

The antenna's magnetic loop design also provides excellent directional characteristics, enabling users to tune in to specific RF sources with precision. This makes the ALR-25 an ideal choice for applications such as radio communications monitoring, spectrum analysis, and investigating EMI/RFI issues.

The Electro-Metrics ALR-25 Magnetic Loop Hoop Antenna is constructed using high-quality materials, ensuring durability and long-term performance. The hoop and the wire coil are made of robust materials, resistant to weather conditions and environmental factors. The antenna is also easy to install and can be set up in various configurations, making it a flexible solution for a wide range of applications.

In summary, the Electro-Metrics ALR-25 Magnetic Loop Hoop Antenna is a powerful and versatile tool for RF reception, offering excellent sensitivity, directional characteristics, and durability. Its wide frequency range and magnetic loop design make it an ideal choice for various applications, such as radio communications monitoring, spectrum analysis, and EMI/RFI investigation.

Pros of purchasing a Electro-Metrics ALR-25 Magnetic Loop Hoop Antenna:

1. Frequency Range: The antenna covers a wide frequency range of 10 kHz to 30 MHz, making it suitable for various radio applications.

2. Portability: Its compact and lightweight design allows for easy transportation and setup, making it ideal for fieldwork or temporary installations.

3. No Ground Requirement: Since it's a magnetic loop antenna, it doesn't require a ground system, which can save you installation time and effort.

4. Low Noise Figure: The ALR-25 has a low noise figure, ensuring that weak signals can be picked up clearly.

5. Reduced Interference: Its design helps to reduce EMF and EMI interference, which is beneficial in noisy environments.

Cons of purchasing a Electro-Metrics ALR-25 Magnetic Loop Hoop Antenna:

1. Limited Gain: Compared to other types of antennas, magnetic loop antennas have a lower gain, which might not be ideal for long-distance reception.

2. Directivity: Magnetic loop antennas have a directional pattern, which means they may not pick up signals from all directions equally.

3. Bandwidth Limitations: While the frequency range is broad, the bandwidth for each frequency is relatively narrow, which might limit the reception of certain signals.

Conclusion:

The Electro-Metrics ALR-25 Magnetic Loop Hoop Antenna offers a convenient, portable solution for radio applications that require a wide frequency range and reduced interference. However, its lower gain and directivity might limit its effectiveness for certain uses, such as long-distance reception or omnidirectional signal pickup.

Recommendation:

If you're in need of a versatile, portable antenna for radio applications in a noisy environment, the Electro-Metrics ALR-25 is a suitable choice. However, if long-distance reception or omnidirectional signal pickup is essential, you might consider other types of antennas with higher gain and broader directivity.

Details:

Manufacturing technology was not the same as it is today so imperfections should be expected. The previous owner was a Ham Radio operator who collected all of these interesting items over the years. Also, these items may have been in storage for 40-80 years and could be dusty, greasy or surface rust, spider webs, etc. The previous owner kept notes on nearly everything as it seemed to be his life-long hobby collect, test, and document he owned.

Magnetic Loop Hoop Antenna 10 KHz-30 MHz EMR EMI Testing Electro-Metrics ALR-25, Includes rare Power / Control Ribbon Cable, Measurements: Approximately 22-3/8 inches tall, Base is 9-1/4 long, 7-1/4 wide, 4-1/2 approximately 16-7/8 outer diameter, Excellent previously used condition - May be New Old Stock.

part #: alr25 price

  • $400.00

specifications hamamateuradio:

  • brand: Electro-metrics
  • mpn: Alr-25
  • type: Loop Antenna
  • compatible brand: Multiple
  • country/region of manufacture: United States

general hamamateuradio:

  • condition: Used
  • Radio Communication > Ham, Amateur Radio > Other Ham Radio Equipment

seller hamamateuradio:

  • # reviews: 8734
  • rating: 99.5%
  • city: Las Vegas, Nevada

shipping hamamateuradio:

  • transit: 8-13 Days
  • type: Calculated
  • carrier: UPS, FedEx
  • cost: $43.49
  • service: UPS Ground, FedEx Ground or FedEx Home Delivery
  • class: Standard

payments hamamateuradio:

  • wallet: Paypal
  • credit card: Visa
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returns hamamateuradio:

  • paid by: Seller
  • policy: Returns Accepted
  • method: Money back
  • time: 30 Days

offer hamamateuradio:

  • availability: In Stock
  • options: Ship-to-home
  • quantity: 1
  • started: September 25, 2024
  • sold: 0
type: loop antenna, compatible brand: multiple, country/region of manufacture: united states,
category: electronics > radio communication > ham, amateur radio > ham radio equipment, sku: 10676204314595671,
Electro-metrics ALR-25 Is Similar To:
  • (20.4% similar) On board rectification and smoothing then feeds the 5 volt regulator a great addition to the test bench. A variable output potentiate allows the output square wave shape to be trimmed if needed. 1 x x 3 approx it can be built into a small box or tin for bench portable use, or is small enough to be ...(November 20th, 2015)
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3 offers $400.00–$400.00 USD
  • For parts or not working. Offer #1 priced at $400.00 + $74.64 shipping estimate = $474.64* total. Unable to test, sold as is.+$74.64 shipping
  • For parts or not working. Offer #2 priced at $400.00 + $74.64 shipping estimate = $474.64* total. +$74.64 shipping
  • For parts or not working. Offer #3 priced at $400.00 + $74.64 shipping estimate = $474.64* total. +$74.64 shipping

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