Ohio Lumex - Model RA-915M -Portable Zeeman Mercury Analyzer

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The RA-915M is widely accepted as the most accurate and sensitive mercury vapor analyzer on the market. Whether used as a standalone instrument for mercury vapor measurements or with attachments to analyze solids, liquids, and complex matrices, the RA-915M is unrivaled in its capabilities. As an updated version of the RA-915 Plus, the RA-915M offers the same quality design and engineering as its predecessor but includes features such as a new lightweight outer casing, built-in backlit screen display, automated calibration test cell, and a USB cable connection.

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ambient air monitoring

simple to operate, fully automated, self-validating analyzer;
rugged/versatile design for laboratory and field conditions;
ultra low detection limit at 2 ng/m3
real-time operation mode for air and gases;
built-in performance verification test cell and auto zero function;
wide dynamic measuring range
controlled by a keypad and/or computer via USB interface;
data logger for 122 hrs of data acquisition, averaging, and storage;
rechargeable battery with charge lasting up to 12 hours.

Principle of Operation

Based on differential Zeeman Atomic Absorption spectrometry using high frequency modulation of light polarization.

Emergency response to mercury spills and verification of spill clean up
Listed on US EPA Emergency Response Equipment List
Precise determination of mercury in: ambient air, natural gas, stack gases and with additional attachments, soil, coal, sorbent traps, crude oil, food, pharmaceuticals, water and waste water
Listed on US EPA Emergency Response Equipment List