5-40% CO2 Colorimetric Gas Detection Tubes | Single-Use Carbon Dioxide Tester

The 5-40% CO2 Colorimetric Gas Detection Tubes provide a fast, accurate, and low-cost solution for measuring extremely high concentrations of Carbon Dioxide (CO2) in hazardous industrial environments. In the oil and gas industry, high-level CO2 exposure is a critical hazard, particularly in enhanced oil recovery (EOR) operations, confined space entry, and around specialized gas-processing skids. While electronic monitors are essential for continuous background detection, these single-use chemical tubes offer an immediate, on-the-spot compound-specific measurement without the need for field calibration, battery charges, or complex sensor warm-ups.

Designed to be used seamlessly with a standard spring-less piston hand pump, these tubes draw a precise 50cc or 100cc air sample directly through the chemical bed. As the sample passes through, the reagent inside the tube instantly reacts with the carbon dioxide, changing color in direct proportion to the gas concentration. The bold, easy-to-read printed scale allows field technicians and safety managers to immediately verify CO2 levels ranging from 5% up to an extreme 40% by volume.

Because they require absolutely zero calibration or routine maintenance, these colorimetric tubes are an invaluable backup safety tool. They are easily stored in a safety manager’s truck or a rig maintenance doghouse, ensuring that reliable gas detection is always available when verifying atmospheric safety prior to breaking containment on sour iron or entering a deep trench.

Features & Benefits

• Instant Visual Reading: Chemical reagent changes color instantly upon contact with CO2, providing an unmistakable, direct-read measurement against the printed scale.

• Broad High-Range Detection: Accurately measures severe CO2 concentrations ranging from 5% to 40% by volume, ideal for heavy industrial and EOR applications.

• Zero Calibration Required: Unlike electronic gas monitors, these single-use tubes require no bump testing, sensor calibration, or battery maintenance prior to use.

• Compound-Specific Accuracy: Engineered to minimize cross-sensitivity with other common oilfield gases, ensuring a reliable reading of Carbon Dioxide.

• Easy Field Deployment: The simple break-and-draw operation works seamlessly with standard ergonomic hand pumps, even when wearing heavy winter or chemical gloves.

Specifications & Technical Details

Applications

The 5-40% CO2 Colorimetric Tubes are a staple for industrial hygienists, HSE managers, and confined space rescue teams. They are heavily utilized for spot-checking atmospheric conditions inside bulk storage tanks, verifying gas mixtures in CO2 injection lines, and ensuring trenches and low-lying areas are safe for personnel prior to hot work or maintenance.

Quality Assurance

Manufactured under strict laboratory conditions to ensure absolute consistency in the chemical reagent mix. Each batch is rigorously tested against known calibration gases to guarantee the printed scale delivers highly accurate, repeatable readings in the field. The tubes are hermetically sealed in heavy-duty glass to prevent contamination and degradation prior to use. (Note: Hand pump sold separately).

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