Armstrong Monitoring Corporation AMC-310 사용 설명서 - 페이지 17
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7 Duct Sampling Option
7.1 Overview
The duct sampling option is used to divert a portion of the duct airflow through the Model 310.
The difference between the total pressure at the upstream sample port and the static pressure
at the downstream return port propels the sample stream. Minimum recommended flow rate is
200 feet per minute.
A Model 310 with the duct sample option has a sample draw adapter fitted to the bottom of its
enclosure. The duct probe assembly is connected to tubing nipples on the adapter.
Figure 3: Duct Sampling Schematic
7.1.1 Duct Kit Contents
1 dust filter 2 sheet metal screws
1 duct probe assembly 2 lengths of 1/8" ID tubing
AMC-310 AirSense Infrared CO
Analyzer
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