ESL2
Precise Automatic Level
ESL2 is used in geodetic control, construction of roads and industrial applications. The ESL2 with ESM1 can supply higher accuracy and be used in monitoring structural deformation etc. The use of automatic compensator speeds up work and improves accuracy. ESL2 supply the possibility to operate in the temperature from -30℃ to +50℃.
- Equipped with a press button for compensator checking.
- Dismountable eyepiece and assorted accessories such as Diagonal Eyepieces.
- Adopt crossing suspender frame and compensator of air damper.
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Accuracy |
|
|
1Km Error |
≤ ±1 mm |
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With ESM1 |
≤ ±0.5 mm |
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Telescope |
|
|
Image |
Erect |
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Magnification |
32x |
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Field Angle |
1°20' |
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Minimum Focus |
1.6 m |
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Field of View at 100m |
2.3 m |
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Object Aperture |
45 mm |
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Multiplication Factor |
100 |
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Additive Constant |
0 |
|
|
|
|
Compensator |
|
|
Compensator Type |
Pneumatic |
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Compensator Range |
±14’ |
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Setting Accuracy |
≤±0.3” |
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Setting Time |
≤ 2 s |
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Sensitivity of Circular Level Per 2mm Run |
8’ /2 mm |
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|
|
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Physical Specification |
|
|
Dimension |
130 x 215 x 140 mm |
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Weight |
2.5 Kg |
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Operating Temperature |
-30℃ ~ +50℃ |
|
|
|
|
Parallel Plate Micrometer ESM1 ( Optional accessory) |
|
|
Range |
10 mm |
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Interval |
0.1 mm |
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Estimation |
0.01 mm |
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Weight |
1.25 Kg |
|
|
|
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