NAL series levels are water-proof automatic levels. They can be used in 3rd and 4th order leveling and also meet the needs of various surveying of construction engineering and leveling. The compensator improves performance and obtaining higher efficiency different survey demands. The main features as followed.

1)reliable air-damping and wire-hung compensator
2)checking button for compensator
3)sealed structure for using in various weather condition
4)proof water and dust IP55IEC529
5)beautiful designer