Process check meter
A calibrator and housing technology, applied in the field of process calibrators, can solve the problem of easy misreading of input and output sockets, and achieve the effect of avoiding confusing sockets
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Embodiment 1
[0024] see Figure 1 to Figure 5 , the present invention provides a process calibrator, including a housing, a light guide column 1 and a main board 10, the housing includes an upper housing 8 and a lower housing 9, and the main board 10 is fixed between the upper and lower housings 9 between; the main board 10 is provided with a plurality of input and output jacks 3, and each input and output jack 3 is provided with a corresponding indicator light 11; the jacks are horizontally arranged on the front end of the main board 10, and are provided with Corresponding to the through hole 4, when the instrument is fixed, the input and output jack 3 passes through the through hole 4 for display on the upper housing 8, which is convenient for users to identify and use. The positions of the indicator lights 11 are in one-to-one correspondence with the input and output jacks 3 . At the position corresponding to the indicator light 11 , a light guide column 1 is also arranged, and a plura...
Embodiment 2
[0033] On the basis of embodiment one, the different structures of lampshade are set, specifically as follows:
[0034] The top of the lampshade 2 is hollow so that the light can pass through. At the same time, the through hole of the lampshade 2 of the upper housing 8 is covered with a cover plate of a transparent material to prevent dust. In addition, the top of the lampshade 2 or It is the surface of the through hole of the lampshade 2 of the upper housing 8, adopting an optical lens with a light-gathering effect, or covering the interior of the lampshade 2 with a reflective layer to enhance the emission and brightness of light.
Embodiment 3
[0036] see Figure 5 , on the basis of Embodiment 1 or Embodiment 2, the structure of the lower case is improved, the back of the lower case 9 is provided with a fixed lock 14, and the fixed lock 14 is two symmetrical protrusions, Used for fixing with external support frame. In this way, when the instrument fixed on the support frame is tilted, due to the gravity of the instrument, there is a downward force on the support frame, so that the fixed lock 14 can be tightly engaged and fixed on the support frame.
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