Tubular spirit levels
The tubular spirit levels that our company manufactured are in special glass tubing, grinding inside of the tube we obtain the radius which gives the sensibility to the levels.
After the cleaning and printing process, with working flame obtained one vial according to the required length, which filled and sealed, it is tested according to DIN2276 schedule or on request.
There are two categories:
Centesimal Levels ( < di 20”x2mm );
Decimal levels ( > di 20”x2mm ).
The list at the bottom has only aim to indicate the affinity among diameter, length and sensibility, it is not set the standards.
The levels are produced about the customer requirements
| Ø x length – (from/to) | α x 2 mm - (from/to) | S x 2 x 1000 mm - (from/to) |
|---|---|---|
| 6 x 20/30 | da 1'40'' a 10 | da 0,50 a 3 |
| 7 x 25/35 | da 40'' a 6'40'' | da 0,20 a 2 |
| 8 x 25/40 | da 40'' a 5' | da 0,20 a 1,5 |
| 9/11 x 35/62 | da 20'' a 6'10'' | da 0,10 a 1,25 |
| 12/13 x 50/80 | da 20'' a 1'30'' | da 0,10 a 0,45 |
| 14/15 x 60/100 | da 20'' a 1' | da 0,10 a 0,30 |
| 12/15 x 70/100 | da 20'' a 10'' | da 0,02 a 0,05 |
| 14/15 x 90/100 | 2'' | 0,01 |
