Place the instrument on asteady and smooth even board, after the bubble fixed, the reading should be [a], then rotate level to 180 °, place it again on the original position and take the second reading [b] The Zeroerror of the level is 1/2 (a-b). Then loosen the fastening screw on one side of the spirit hex wrench of 8mm into the eccentric adjuster and start the zero-setting by turning the adjustrer. At this time, if the instrument is found to incline to the rear, and vice versa. For over 5 degrees, or the deviation of the bubble exceeds half a graduation, it will be necessary to make readjustment by turning the two adjusters on both sides of the level untl the bubble does not move to and frowith the tilting of the indtrument: Lastly, it is also necessary to check whether the zero point deviates or not. If it nolonger deviates, then lock the fastening screw, thus completing the cycle of the zero-setting.
What is TTL? Targeted Trade Leads is a new optional online e-mail service we provide to Wholesale Suppliers on demand. By using this service you can easily send tens, hundreds or even thousands of buy sell offers to importer exporter companies, directly to their Inbox! You can send TTL to Importers Exporters by Industrial Categories.
Step 1: Select country or countries for your targeted buy - sell offers. Step 2: Select industrial category / categories for your import - export demands. Step 3:
View how many companies will receive it based on your selection. Step 4: Enter your offer you wish to email to interested suppliers or buyers. Step 5: Receive confirmation of delivered Targeted Trade Leads by e-mail. Finally Just expect the replies immediately in your mailbox! Even by phone or fax.
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