Environmental Sensors Co.'s Formaldehyde Meter is a portable desktop instrument that measures formaldehyde concentration in a range of 0-30 ppm and a resolution of 0.01ppm.
The instrument makes it possible to monitor formaldehyde vapor in air. The insturment has an LCD display giving concentrations in ppm every 10 seconds, a low battery indicator, and an audible alarm that can be set at any level from 0-30 ppm.
With the touch of a button, the meter displays STEL (average of every 15 min.), TWA (8 hour average) and Peak.
The internal pump makes it possible to sample from hard-to-reach areas or confined spaces by attaching a flexible tube to the meter.
The Z-300XP meter stores all of the exposure points for up to 5 logs (a log is created in the instrument's internal memory each time it is used). A log contains: date, time, number of exposure points, the interval between each point, and the actual exposure points. All of the log files can be easily uploaded to PC using components vailable within the Microsoft Windows Operation System or the termianl software included with the instrument.
Filter Technology Eliminates Interferences
The Z-300XP formaldehyde monitor uses an active filter to eliminate potential interference from common chemicals. With no filter in place, the sensor is exposed to formaldehyde and the chemicals that may interfere. When the filter is added, the formaldehyde is removed. The instrument then accurately determines the difference in the signal from the sensor. This is proportional to the amount of formaldehyde, with elimination of potential interference from other chemicals. The procedure is automatic when the command to measure is given.
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