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How to Use a Transit Level

 

Leica Jogger 24 Auto Level

	Leica Jogger 24 Working Range: ±15' Accuracy:0.5 Features Magnification: 24x Shortest focusing distance: 0.8 Automatic, air-damped compensator  Horizontal circle with 360 Degree Division 1-Year Warranty  Water resistant (IP54)	Leica Jogger 24 Package Leica Jogger Optical Level 24 Hard Carrying Case User Manual $236
Complete Description

 

Leica Runner 24 Auto Level

	Leica Runner 24 Working Range: ±15'  Accuracy: 0.5  Features Magnification: 24x  Shortest focusing distance: 1m  Automatic,air-damped compensator  Horizontal circle with 360 Degree  1:100 stadia for distance estimation  Accuracy leveling: 2.0 mm  1-Year Warranty  Water resistant (IP55)	Leica Runner 24 Package Leica Runner Automatic Level  24 Hard Carrying Case User Manual $331
Complete Description

Leica NA720 Auto Level

	Magnification: 20x  Working Range: 250'  Minimum Focus: 1.6'  Diameter of objective: 30mm  Accuracy: ±3/64" in 100'  Waterproof: IP57  Stadia  Horizontal Circle Grads: 1‹  Tripod: 5/8x11 Flat / Dome	Leica NA720 Auto Level Package NA720 in Carrying Case User Manual $470
Complete Description           Instruction Manual

Leica NA724 Auto Level

	Magnification: 24x  Working Range: 250'  Minimum Focus: 1.6'  Accuracy: ±3/64" in 100'  Waterproof: IP57  Stadia  Horizontal Circle Grads: 1ã  Tripod: 5/8x11 Flat or Dome	Leica NA724 Auto Level Package NA724 in Carrying Case User Manual $660
Complete Description           Instruction Manual

South NL32A Auto Level

	Magnification: 32x  Minimum Focus: .5m  Magnetically-Damped Compensator  Compensator Range: ±15'  All Weather Use	South NL32A Auto Level Package NL32 in Carrying Case User Manual $159

South NLGP24 Auto Level

	Magnification: 24x  Minimum Focus: .5m  Magnetically-Damped Compensator  Compensator Range: ±15'  All Weather Use	South NLGP24 Auto Level Package NLGP24 in Carrying Case Tripod 8' Grade Rod User Manual $199

Auto Level Info

Before the ELECTRONIC LEVEL, the AUTOLEVEL provided the fastest setup for leveling on the jobsite. The AUTOLEVEL has an Survey pendulum that eliminates the tedious back-and-forth adjustment of the leveling screws while trying to get the tubular vials of an older style instrument level.

When the AUTOLEVEL is adjusted to the bullseye bubble, the Survey pendulum (called the Compensator) swings to allow the Survey train to shoot level. If the instrument moves slightly, the Compensator will adjust for the deviation and continue to provide a level reading.

Most AUTOLEVELS have an azimuth ring which allows for course horizontal angle readings. Various magnifications from 18x to 32x are available. A 20x or 24x instrument is the typical power used on construction sites. Various degrees of "waterproofness" are available.

HINT: The rattling sound heard inside AUTOLEVELS is the Compensator rocking back and forth.

The Compensator is slowed from swinging by various methods, including air or magnetic dampening. If the instrument is knocked over and the compensator is damaged, inaccurate readings can result. To check an instrument which has taken a hit, set up the AUTOLEVEL and focus on a line some distance away. Tap the instrument so the horizontal crosshair rocks up and down. The crosshair should come back to the original target line.

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