The 42i Ammonia Oxide Analyzer
The Nitrogen Oxide (NO-NO-NOx) Analyzer adopts Thermo Fisher Scientific's 42i Chemical Luminescence Analyzer, known for its stable and reliable performance, simplicity, and ease of use. The 42i NO-NO-NOx Analyzer utilizes chemiluminescence technology to analyze the concentrations of NO, NO, and NOx in flue gas. It can simultaneously output the concentrations of NO, NO, and NOx, and provides the ability for independent calibration of each gas type. The minimum detection limit can reach as low as 0.4 ppb.
The 42i Analyzer features a single reaction chamber and a single photomultiplier tube design. It switches between NO and NOx modes through an electromagnetic valve. The instrument can be configured to operate in either dual-range or automatic-range modes and is equipped with temperature and pressure compensation functions.
- Chemiluminescence Technology: Provides high sensitivity, excellent stability, and a low detection limit.
- Reliable and Effective Operation: Capable of analyzing nitrogen oxides (NO, NO, NOx) in the range from a few ppb to 100 ppm.
- Fault Diagnosis Functionality: Allows real-time monitoring of various operational parameters for immediate diagnostics.
- Remote Access: Can be accessed remotely via a local area network (LAN), allowing users to download analysis results from a distance.
- Large LCD Display: Equipped with a large screen display and customizable "soft key" functionality for an enhanced user experience.
- Enhanced Data Storage: Uses flash memory to improve data storage performance.
- Optimized Design: The design improves the general versatility and integration of the electronics.
- Ease of Maintenance: The internal layout is designed for easy maintenance, making it more accessible for servicing.
Measurement Range |
- Pre-set Range: 0 - 0.05, 0.1, 0.2, 0.5, 1, 2, 5, 10, 20 ppm
- Extended Range: 0 - 0.1, 0.2, 0.5, 1, 2, 5, 10, 20, 50 mg/m³
- User-defined Range: 0 - 0.2, 0.5, 1, 2, 5, 10, 20, 50, 100 ppm
- Extended Range: 0 - 0.5, 1, 2, 5, 10, 20, 50, 100, 150 mg/m³
- Detection Limit: 0 - 0.05 to 100 ppm; 0 - 0.01 to 150 mg/m³
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Zero Drift (24-hour) |
- <0.2 ppb RMS (60-second average time)
- Minimum Detection Limit: 0.4 ppb (60-second average time)
- Accuracy: ±1% Full Scale
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Response Time |
- 40 seconds (10-second averaging time)
- 80 seconds (60-second averaging time)
- 300 seconds (300-second averaging time)
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Precision |
±1% Full Scale |
Sample Flow Rate |
Standard: 0.6 - 0.8 L/min |
Operating Temperature |
15°C to 35°C (0°C to 45°C also possible for safe operation) |
Power Supply |
100 VAC, 115 VAC, 220-240 VAC ±10% @ 300W |
Dimensions/Weight |
- 425 mm (W) × 219 mm (H) × 584 mm (D)
- Weight: 25 kg
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Outputs and Inputs |
- 16 digital inputs (standard)
- 8 analog inputs (0-10 V DC, optional)
- 6 analog voltage outputs (0-100 mV, 1, 5, 10 V)
- RS232/RS485 communication
- TCP/IP
- 10 status relays, power-off indicator (standard)
- 0-20 or 4-20 mA isolated current output (optional)
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We focus on the market, prioritize quality, drive continuous innovation, master core technologies, and serve our customers with dedication. The company is equipped with the necessary detection equipment and technical capabilities to produce high-quality gas detection instruments, demonstrating professionalism and commitment. With a strong reputation in the gas detection field and high customer recognition, we provide reliable support for pre-sales consultation and after-sales service.
Our product development, design, and research are aligned with market demands as well as quality and technical standards. The instruments feature elegant designs, stable detection performance, and explosion-proof configurations, suitable for both fixed gas detectors and portable devices. Thanks to our consistent product quality, we have obtained national licenses for manufacturing measuring instruments, national explosion-proof electrical product certifications, and qualifications for the installation and maintenance of explosion-proof electrical equipment.
Guided by the service philosophy of "perfection, efficiency, and innovation," we are committed to offering society and enterprises safe and reliable solutions to ensure stable production and secure everyday life.
1. How can I choose the suitable one?
Dear customer, please tell us your detailed requirements via email or online, and we will recommend the most suitable product according to your request.
2. Is your price competitive?
Dear customer, we ensure to provide you with the best quality products at a competitive price.
3. How can I pay?
Dear customer, we accept various payment methods, including T/T and Western Union.
4. When will I receive the product after payment?
Dear customer, standard models can typically be delivered within 5-7 days. Please contact us for more details on the transport time to your address.
5. How do you deliver the product?
Dear customer, we can deliver by Express, Sea, or Air.
6. Will the product be damaged during transport?
Dear customer, please rest assured. We use standard export packaging to ensure the product's safety during transportation.
7. What should I do if I don't know how to use the product?
Dear customer, please don't worry. A user manual will be included with the product. Additionally, you can contact us for further technical support.
8. What should I do if some parts are broken?
Dear customer, please don't worry. Our products come with a 12-month warranty (excluding wear parts). After the warranty period, you can still purchase replacement parts from us.
9. Can you provide OEM/ODM services?
Yes, we offer product customization services to meet your specific needs.
If you have additional questions, feel free to contact us!