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Leica AP20 AutoPole Kit

Increase productivity and efficiency with Tilt Compensation, which removes the need to level the pole.  Easily overcome on-site obstacles by adjusting the height and tilting the pole to reach a hidden point.  The Leica AP20 AutoPole is truly a game changer.

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Leica AP20 AutoPole Kit

Unique smart system that boosts on-site productivity.

The Leica AP20 AutoPole is a unique and productivity-boosting smart system for our robotic total stations, removing the last analogue steps in your digital survey workflow. The easy-to-use AP20 AutoPole saves time spent on-site and reduces cumbersome post-processing corrections in the office with three powerful smart features that will transform the way you work.

The conditions on your worksites are dynamic and variable, and the AP20 AutoPole makes it easier to navigate challenges by allowing measurements with a tilted pole, providing automatic height readings and enabling target search and locking. Easily overcome on-site obstacles by adjusting the height and tilting the pole to reach a hidden point, quickly re-establish line of sight and relock to your robotic total station, even when multiple surveyors are working simultaneously – all with the confidence that your measurements have been accurately recorded.

With the AP20 AutoPole, you can continue and complete your tasks with fewer mistakes, high reliability and higher productivity, minimising rework and delays.


• Enables measurement with a tilted pole
• Automatic height reading, ensuring accuracy, and avoiding human error
• Auto target search and lock, saving time while auto-re-establishing line of sight and relock

Tilt Compensation

Increase productivity and efficiency with Tilt Compensation, which removes the need to level the pole. Measure and layout more points per day, conveniently and comfortably, while maintaining high job standards with control and clarity over the point quality. The Tilt Compensation feature allows point measurements with an arbitrary aligned pole, and therefore increases flexibility and productivity in the field to enable even upside-down and nearby hidden point measurements.


Save time and eliminate mistakes from both manual height reading and manual input into the field software, which are often wrong or even totally missed. PoleHeight functionality will update the height for you automatically as the pole height changes to ensure reliable and accurate measurements. This removes the need to read, check and enter height changes, and eliminates time consuming post-processing effort to fix incorrectly entered or forgotten target heights. Less time spent for adjustment, more time to work!


Be unstoppable using the Leica AP20 AutoPole with the TargetID feature! Automatic target search, identification and lock on your target prevents locking to foreign targets and avoids work interruptions that can occur on a busy site. TargetID enables the total station or MultiStation to identify your target on the fly during search. This prevents locking onto other targets, especially important when there are several surveyors working simultaneously at busy locations, increasing your operative time on the pole.


In the box

  • 1x 922838 AutoPole AP20 – Height + Tilt + ID
  • 2x 898414 GEB321 Battery
  • 1x 913902 GLS51F Telescopic Pole, ft
  • 1x 922840 RH18 Radio Handle
  • 1x 879372 1.5m USB 3.1 Type A to C Cable 3A


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Additional information

Weight 6 lbs



Accuracy in height At snap-lock position =/- 1.0mm  


Additional pole tip uncertainty1 for tilt down to 90°, typically

  Target height (m) Horizontal (2D) Vertical (1D)
  0.228* 1 mm + 0.1 mm/° tilt 1 mm + 0.05 mm/° tilt
  1.600 3 mm + 0.6 mm/° tilt 1 mm + 0.05 mm/° tilt
  2.000 4 mm + 0.7 mm/° tilt 1 mm + 0.1 mm/° tilt
Tilt range2 +/- 180°    
Range to total station3 Typically 300 m    


Number of different IDs 16    
Working range Typically 150 m    


Power management Exchangeable Lithium-Ion battery
Operating time up to 16 h for AP20 H / AP20 ID and 6 h for
AP20 T / AP20
Weight AP20 including battery 0.5 kg (1.1 lbs)  
Power management Working temperature range
Storage temperature range
Dust & Water (IEC 60529) / Humidity
-30°C to +60°C (-22°F to 140°F)
-40°C to +80°C (-40°F to 176°F)
IP67 / 95%, non-condensing



  AP20H AP20ID AP20 T AP20
PoleHeight X
Tilt Compensation4 X X
TargetID5 X X



  GLS516 GLS51 F7 CRP46 CRP57
Surveying, stub interface X X
Construction, 5/8″ screw interface X X
Snap lock position every 5 cm 0.2 ft 5 cm 1.0 ft

=Standard    X=Not available

1. Measurement precision, accuracy, reliability and time for initialisation are dependent
upon various factors including angular and distance accuracy of the total station,
target type, atmospheric conditions, target height and level of pole tilt.
2. Free line of sight to target required
3. Using radio handle RH18 or CCD18, connected to CS20 with internal LR-BT
4. Requires total station with target lock functionality and radio handle RH18 or CCD18
5. Requires total station with PowerSearch functionality
6. Metric scale
7. Feet scale

* 0.228 m refers to height with CRP10 attached to GRZ122