Description

Aluminum alloy code bar box staff The principle technical specifications 1.Specification length: 1m, 2m, 3m, 4m, 5m, 6m, 7m, 8m 2.Allowance of whole staff length:≤±0.3mm/8m 3.Allowance of scale space in meter: ≤±0.1mm 4.Allowance of scale space in decimeter: ≤± 0.*5mm ***** score allowance: ≤±0.*4mm ***** point difference of a staff: ≤±0.*6mm The accuracy of the staff (the standard deviation in 1km double- run leveling): ≤±1.5mm. This kind of bar code staff can be used to water leveling mapping of 3th and 4th grade. Notes: A variety of the grades, length, and bodies of the bar code leveling staffs are variable of the customer’s demand, all of which can be used with all kinds of digital water levels.