Gastec Formaldehyde 0.1-40.0ppm

Comes in boxes of 10.

​The Gastec Formaldehyde 0.1–40.0ppm Detector Tubes (Model 91L) are designed for accurately measuring formaldehyde vapor concentrations in industrial environments. These single-use glass tubes are compatible with Gastec sampling pumps and are factory-calibrated for precise readings. They cover a measuring range from 0.1 to 40 parts per million (ppm) and feature a clear color change from yellow to reddish-brown, facilitating straightforward interpretation of results. Ideal for applications in chemical manufacturing, laboratories, and environments where formaldehyde vapors are present, these tubes assist in maintaining workplace safety and ensuring compliance with occupational exposure limits. Each box contains 10 tubes, providing 10 tests per box. The shelf life of these tubes is typically up to 3 years, depending on storage conditions. Temperature correction is necessary, and the tubes should be stored refrigerated at 10°C (50°F) or below.

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