| 摘要 |
A load cell (24, 31, 40, 51, 58, 62, 64, 68, 92, 96, 97) having flame proof function has a load cell body (2) and a flame proof enclosure (25, 33, 36, 41, 69, 78) for covering at least a strain gage carrying portion (5) of the load cell body (2). A load receiving portion (4) connected with the strain gage carrying portion (5) for transmitting a load to the strain gage carrying portion, projects outwardly from the flame proof enclosure. A gap (30) is defined between a first surface of the load cell body and a second surface of the enclosure, so that the load receiving portion (4) and the strain gage carrying portion (5) are freely movable relative to the enclosure. The size of the gap width W1 and of the gap length L1 are selected for realizing the flame proof function.
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