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| Valco Instruments Co. Inc. | Houston, TX | |
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.jpg) | Dynacalibrators® • Deliver precise concentrations from ppb to high ppm • Use Dynacal® permeation devices as the trace gas source • Proprietary constant temperature system controls chamber temperature at a set point with 0.1°C accuracy • Front panel access to permeation chamber • Choice of plumbing and flow configurations VICI Metronics Dynacalibrators® allow you to verify the accuracy of analytical data from air pollution monitoring, industrial hygiene surveys, odor surveys, and other instruments measuring gas concentration. All models enable calibrations traceable to NIST standards for almost any gas analyzer, in the lab or in the field. | ||
.jpg) | Dynacal® permeation devices Permeation devices are small, inert capsules containing a pure chemical compound in a two phase equilibrium between its gas phase and its liquid or solid phase. At a constant temperature, the device emits the compound through its permeable portion at a constant rate. Permeation devices are typically inserted into a carrier flow to generate test atmospheres for calibrating gas analyzer systems, testing hazardous gas alarms, or conducting long-term studies of effects on materials or biological systems - in short, any situation requiring a stable concentration of a specific trace chemical. | ||
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