Description
The Allegro 9804‑03 Flow Meter (0–20 LPM) is a precision instrument designed for air sampling applications where accurate flow calibration is essential. This flow meter is used separately from the sampling pump so a single meter can be shared across multiple pumps, improving efficiency on field or lab jobs.
It features an expanded readable scale and includes adapters for use with various particulate sampling cassettes (such as asbestos or lead monitoring cassettes). Compact and lightweight, it’s ideal for environmental professionals and industrial hygienists conducting air quality assessments that comply with OSHA and AHERA guidelines.
Key Features
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Measures airflow from 0 to 20 LPM for precise control.
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Designed to be used separately from the pump, allowing one meter for multiple units.
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Expanded scale for easier and more accurate reading.
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Includes adapters for use with common sampling cassettes.
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Compact and portable for field and lab work.




