SIEMENS QRA55.D27 Flame Detector 1PCS

( Brand: Siemens ), ( Part Type: Flame Detector ), ( Manufacturer Part Number: QRA55.D27 )

Review SIEMENS 1pcs New Flame Detector

The Siemens QRA55.D27 Flame Detector is a reliable and advanced safety device designed to detect the presence of flames in industrial and hazardous environments. This flame detector is part of Siemens' QRA55 series, known for its high-performance and robust design.

The heart of this flame detector is its advanced, high-performance ultraviolet (UV) flame sensing technology. This technology uses a UV lamp to excite specific molecules in the flame, emitting radiation that is then detected by a photodiodes array. The detector is capable of sensing both large and small flames, making it an ideal choice for a wide range of applications.

The QRA55.D27 flame detector is designed with a high degree of sensitivity and selectivity, ensuring that it can accurately distinguish between real flames and other sources of radiation, such as welding arcs or hot surfaces. This is achieved through the use of advanced signal processing algorithms and a sophisticated self-diagnostic system.

The detector housing is made of rugged and corrosion-resistant materials, making it suitable for use in harsh industrial environments. It is also designed to be explosion-proof, meeting the requirements of various international safety standards, including ATEX, IECEx, and NEPSI.

The QRA55.D27 flame detector is easy to install and maintain, with a clear and intuitive user interface and a range of mounting options. It also features a built-in self-test function, which allows users to quickly and easily check the status of the detector and diagnose any potential issues.

The detector comes with a variety of output options, including analog 4-20 mA, NPN and PNP transistor, and relay contacts. This allows users to integrate the detector into their existing safety systems and receive alerts when a flame is detected.

In summary, the Siemens QRA55.D27 Flame Detector is a high-performance and reliable safety device that is ideal for use in industrial and hazardous environments where the presence of flames needs to be detected quickly and accurately. Its advanced UV flame sensing technology, rugged design, and ease of use make it a popular choice among safety professionals and industrial automation engineers.

Siemens QRA55.D27 Flame Detector: A Comprehensive Analysis

The Siemens QRA55.D27 flame detector is a reliable and effective safety device designed to detect and extinguish fires in industrial applications. This section offers an in-depth analysis of the advantages and disadvantages of investing in this flame detector.

1. High Sensitivity: The Siemens QRA55.D27 flame detector boasts a high sensitivity that enables it to detect small flames, ensuring early fire detection and minimizing potential damage.

2. Robust Design: The flame detector features a rugged, explosion-proof design that can withstand harsh environments, making it a suitable choice for use in industries with high fire risks.

3. Versatile Application: This flame detector can be used in various industries, including oil and gas, chemical, petrochemical, and power generation, among others.

4. Easy Maintenance: The Siemens QRA55.D27 flame detector comes with a user-friendly design and straightforward maintenance procedures, ensuring minimal downtime and reduced maintenance costs.

5. Advanced Technology: The device incorporates state-of-the-art infrared technology, which is more accurate and less susceptible to false alarms than traditional ultraviolet flame detectors.

1. High Cost: The Siemens QRA55.D27 flame detector is relatively expensive compared to other flame detectors in the market.

2. Complex Installation: The installation process for this flame detector can be more complex than other models due to its advanced features and specifications.

3. Limited Battery Life: The battery life of the Siemens QRA55.D27 flame detector is shorter than some other models, necessitating more frequent battery replacements.

The Siemens QRA55.D27 flame detector offers several advantages, including high sensitivity, robust design, versatile application, easy maintenance, and advanced technology. However, it also comes with some disadvantages, such as a high cost, complex installation, and limited battery life.

For industrial applications where early fire detection and reliability are paramount, the Siemens QRA55.D27 flame detector is a worthwhile investment. Despite its higher cost and complex installation, the advanced features and superior performance make it a top choice for fire safety in various industries. However, for smaller-scale applications or applications with limited budgets, other, more affordable flame detectors may be more suitable.

part # qra55d27 prices

• $1765.24-$1966.77

specifications detectoshould:

• brand: Siemens
• part type: Flame Detector
• manufacturer part number: QRA55.D27

offer detectoshould:

• quantity: 3
• started: November 17, 2025
• options: Ship-to-home
• sold: 0
• best offers: True
• availability: In Stock

shipping detectoshould:

• service: Standard
• type: Fixed
• class: Standard
• cost: $0.00
• transit: 3-8 Days

general detectoshould:

• condition: New
• Test, Measurement Inspection > Test Meters Detectors > Gas Detectors Monitors

returns detectoshould:

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

seller detectoshould:

• # reviews: 81
• rating: 100.0%

payments detectoshould:

• other
• wallet: Apple-pay
• credit card: Mastercard

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