廠家品牌：ELCONTROL

型號UV5  控制件

型號 UVH6 紅外探測件 UVH6/FP/MKI IIB Flameproof Self-Checking UV Viewing Head.

焰檢測器控頭UVH6
火焰檢測器主板UV5

UVH6/FP/MKI  in casework

The UVH6 explosion proof version is our type number UVH6/FP/MKI IIB Flameproof Self-Checking UV Viewing Head.  Casework material is LM25 （Aluminium）.
Supply voltage to be advised when ordering.
Standard white paint finish.  ATEX Certified II 2G EEXD IIB T5.

One of the photographs that you sent us with the serial number 91476 shows part of the grey case.
 

The picture on the first page of the data sheet is the newer ABS case. The same PCB fits in either case.

The price of 317 for the PCB is for the PCB shown in your photo. This is the standard UV5.

It is the PCB with all the components fitted but no case.

The serial number of the unit in the photograph 72350 dates back to 1988.

We can, however, supply the internal PCB's only at a price of 317 each nett or alternatively we can supply in an ABS enclosures