The testo 310 residential combustion analyzer represents a new class of instruments for Testo and provides exceptional value and expanded capabilities in combustion testing. The 310 sets a new standard in reliable combustion tuning with its rugged housing, simple design and advanced sensor technology. The easy-to-read backlit display shows more measurements which provides a more complete picture of the combustion process.
I googled the patent number and found the following info. The figures on the patent sketches looks slightly different than the piece. Patent number: US 3497806
This UK Adaptor BS5733 is BRAND NEW and ONLY to be used with CEE7 (XVI) BS EN 50075 Europlugs The lid is hinged to to body of the connector. Very access to the external FUSE (5Amp ) BS1362Approved by BSI LIC. No.
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