Sokkia PL1 and PL1S

PL1 Tilting level


Meets first-order specifications for repeatability of line of sight.
Accuracy is ensured by the tubular vial, sensitive to 10 seconds / 2mm.
A “coincidence system” makes it easy to center the bubble.
The optical parallel plate micrometer reads to .001 in. (0.1mm).
Choose either inch-reading or metric.

Click here for more information on the PL1

PL1S Precise Tilting Level

Precise Measuring

Choose the PL1S for applications that require precise measurement of differences in elevation, or when direct measurement is impossible. Accurate to hundredths or even thousandths of an inch, the PL1S has many special applications:

Use it during industrial construction to set and check the pads that machines, turbines, etc. are placed upon
Confirm design specifications
Check alignment of components or tools for aircraft construction, repair and maintenance
Confirm that paper mill rollers are level and in proper alignment with other rollers
Precise laboratory measurements
Collimated base line of sight references
Precise leveling of equipment
Measuring flatness of machine ways or beds

The PL1S’s combination of a tilting mechanism sensitive to 10’ / 2mm, a coincidence-type vial observation system accurate to 0.5” or better, and an integral optical micrometer direct-reading to 0.001 in. guarantee precise leveling and accurate measurements.

And it’s easy to adjust the optical to the mechanical axis—just rotate the optical wedge until the line of sight is horizontal. You won’t find an easier-to-use, more accurate level anywhere.

 

7375-50 PL1  Precise Level (metric reading), complete with SE14A carrying case, screwdriver, adjusting pins, lens brush, lens cap, dust cover, and operation manual. $7,890.00
7375-51 PL1E Precise Level (inch reading), complete with same equipment as above. $7,890.00
7375-52 PL1S Precise Level, complete with SE14A carrying case, screwdriver, adjusting pins, lens brush, lens cap, dust cover, and operation manual. $7,890.00

Accessories

7311-06 LA8 Illumination Unit - B20, B21
7311-11 LA4 Illumination Unit - B1, B1C
7372-14 OM1F Optical Micrometer - B1, B1C (feet)
7372-15  OM1 Optical Micrometer - B1, B1C (metric)
7372-20  OM5F Optical Micrometer - B20, B21 (feet)
7372-21 OM5 Optical Micrometer - B20, B21 (metric)
7311-06 LA8 Illumination Unit - B20, B21
7329-46 EL5 40x eyepiece - B20

Technical Specifications

Telescope PL1 PL1S
Image Erect Erect
Magnification 42x 42x
Resolving Power 2” of arc 2” of arc
Field of View 1° 10' (2.0 ft. @ 100 ft.) 1° 10'
(2.0 ft. @ 100 ft.)
Minimum Focus 6.6 ft. (2m) 1 ft. (0.1m)
Stadia Ratio 1:100 1:100
Compensator — PL1 (split-image tubular vial); all others (wire-hung; magnetically damped)
Setting Accuracy n/a n/a
Range n/a 001 in.
Leveling Accuracy (all models)—in 1.0 km (1 mile) of double-run leveling
Standard Deviation
± 0.2mm /
001 ft.
3.5' / 2mm
w/ micrometer .001 in (0.1m)  
Level Vial (all models) — circular
Sensitivity 3.5' / 2mm 3.5' / 2mm

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(800)821-1954

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