ABB 07KR51 220VDC PLC Controller Module Industrial Spare

I. Product Overview

The ABB 07KR51 is an aluminum sample cell (gas cell) designed for ABB gas analyzers. Featuring a 175mm optical path, it is compatible with the AO2000 series infrared gas analyzers used in CEMS (Continuous Emissions Monitoring Systems) and serves as a core optical component for infrared spectroscopic detection. As a dedicated spare part, it is widely used for the maintenance of flue gas monitoring equipment and the replacement of parts in aging online monitoring systems; it is available as an in-stock spare part for industrial control analysis instruments.

II. Product Advantages and Features

1. Aluminum alloy body paired with calcium fluoride (CaF₂) optical windows; resistant to high humidity and corrosion from sulfur-containing flue gas, making it suitable for harsh operating conditions.

2. Standard 175mm optical path ensures stable measurement accuracy; suitable for multi-component flue gas detection (e.g., SO₂, NOₓ, CO₂).

3. Small chamber volume allows for rapid sample gas exchange and quick detection response, minimizing measurement errors caused by gas lag.

4. Excellent sealing performance with a low leakage rate ensures gas containment and prevents measurement data drift.

5. Modular, detachable structure allows for independent cleaning or replacement of optical windows, simplifying on-site maintenance and reducing equipment downtime.

　III. Technical Specifications

Brand: ABB

Model: 07KR51

Product Type: Aluminum sample cell (gas cell) for gas analyzers

Optical Path Length: 175mm

Material: Aluminum alloy chamber, CaF₂ (calcium fluoride) optical windows

Compatible Equipment: ABB AO2000 series infrared gas analyzers

Applicable Media: Flue gas, industrial process gases

Leakage Rate: ≤1×10⁻⁹ mbar·L/s

Response Time: T90 ≤ 5s

Net Weight: 0.35 kg

Note on Accessories: Tubing fittings and ferrules must be selected/purchased separately.

　IV. Functional Description

The ABB 07KR51 sample cell serves as the core optical unit of the infrared gas analyzer. Process flue gas is introduced into the cell, and an infrared beam passes through it; gas molecules absorb infrared light at specific wavelengths, and the detector calculates gas component concentrations based on changes in light intensity. The sample cell provides a stable optical detection space for the gas, ensuring a steady optical path and enabling continuous online monitoring of flue gas components; it is an indispensable core component of CEMS (Continuous Emissions Monitoring Systems).

V. Application Scenarios

Online CEMS monitoring for power plant flue gas, chemical process gas analysis, waste incineration exhaust monitoring, metallurgical furnace gas monitoring, and environmental monitoring stations. Commonly used for ABB AO2000 analyzer maintenance, spare part replacement, and environmental monitoring system upgrades.

VI. Selection Recommendations

1. Confirm that the analyzer model is the ABB AO2000 series and verify that the original equipment sample cell has an optical path length of 175mm.

2. Assess the gas medium and potential corrosive conditions at the site to ensure the window material is compatible with the operating environment.

3. Associated tubing ferrules and fittings must be purchased separately; please verify these requirements when placing an order.

4. It is recommended to stock up on spares in advance of scheduled maintenance for environmental monitoring equipment to minimize monitoring interruptions caused by downtime.

VII. After-Sales and Service Support

Supplied spare parts undergo leak and visual inspections prior to shipment and come with a warranty. Actual product photos can be provided before dispatch, and inspections are supported. Technical documentation and remote guidance are available should any technical questions arise during installation or operation. In-stock items can be shipped quickly; inquiries regarding other spare parts for the same ABB gas analyzer series are also welcome.