Comprehensive verification table of gas alarm instrument
A technology of alarm instrument and calibration table, applied in the direction of instruments, scientific instruments, material inspection products, etc., can solve the problems of affecting users' emotions, work efficiency, heavy equipment, etc., to achieve convenient adjustment of parallelism, low production cost, Test the effect of fast speed
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[0013] Such as Figure 1-Figure 5 As shown, a comprehensive calibration bench for a gas alarm has a housing 6 and a test system installed on the housing 6. The test system includes a plurality of control valves 2, a plurality of flow meters 3, Multiple inlet pipes 4, multiple outlet pipes 5, flow divider 7 and one-way valve 9; each inlet pipe 4 is correspondingly connected to a control valve 2, and multiple control valves 2 are connected to the flow divider 7 through the one-way valve 9 to divide the flow The device 7 is connected to the flow meter 3, and each flow meter 3 is connected to an external instrument to be inspected through an air outlet pipe 5.
[0014] In this embodiment, there are 4 control valves, 4 air inlet pipes, 12 air outlet pipes 5 and flow meters 3, and the diverter 7 has 13 holes. The inlet pipe 4 and the outlet pipe 5 are both silicone tubes. 12 products can be inspected at a time, four different concentrations of gas can be passed at one time, and the i...
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