| 摘要 |
A rotatable manometer has a manometer body, an electronic device and a tying stripe. A pivotal unit is installed between the electronic device and the tying stripe so that the electronic device is rotatable on the tying stripe. The pivotal unit has a pivotal hole and a pivotal seat. The pivotal hole is formed with a recess and the pivotal seat is formed with a stop block corresponding to the recess; by the engagement of the recess and the stop block, the orientation of the electronic device is adjustable with respect to the tying stripe. Or the pivotal hole has a teethed groove and the pivotal seat is formed with a stop block corresponding to the teethed groove; by the engagement of the teethed groove and the stop block, the orientation of the electronic device is adjustable with respect to the tying stripe.
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