Height, Distance & Inclination
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The DME is a classic ultrasound measuring system and perfect to use in sample plots.

 

DME - Distance Measurer

The DME instrument system from Haglöf Sweden offers speedy and reliable results for distance measuring in the forest. The DME system works with ultrasound technique, making it especially useful in dense terrain and where underbrush is thick. The built-in BAF functions are useful for point/plot sampling work. Basal Area (BAF)

The complete DME system includes the small and rugged DME measuring instrument, a transponder T3 and plot staff/monopod with adapter. The monopod with transponder is placed in the plot center, allowing the user to measure and determine the plot radius.

 

 

Dense vegetation...

...is no problem for the DME

The DME works with ultrasound technique

Haglöf Sweden's ultrasound instruments are tested and proven reliable in all types of terrain and conditions.

 

Measure in a full, 360° circle

The exact plot radius can be measured from any direction to the plot center when the T3 transponder is mounted on the monopod and the custom 360° adapter.

 

BAF Functions built-in

With the Basal Area Factor (BAF) function you will know the minimum diameter for trees to be counted and included in the plot.

 

DME - DME

The DME can also work in pair, with two DME measuring instruments measuring the distance in between. This method is useful to maintain equal width for example in road construction work and when clearing along power lines.

 

pdf DME Product sheet (2.17 MB)


TECHNICAL SPECIFICATION

 
Physical 

Dimensions (LxWxH)

30x40x125mm/ 1.2x1.6x4.9"

Weight

90g/3.2oz                                  

Battery

9 V Alcaline

Current

7 mA

Temperature

-15°—+45°C / 59°113°F

Ultrasound

Ultrasonic frequency

25 kHz

Distance (max) to transponder T3

≈30m/100ft

Distance (max) to T3 with 360° adapter

20m/60ft

Resolution

0.01m/0.1ft

Accuracy

1% or better when calibrated

Transponder T3 

Dimensions

Diameter 70mm/2.8”

Weight

85g/5oz (battery included)

Battery

1x 1,5V AA Alkaline

Power consumption

9mW

Other

360° Adapter/Spreader

Plastic, weight app. 30g/1oz

Monopod/plot staff

4-parts, 33-140cm, weight app. 270g/9.5oz, aluminium/plastic

Some Haglöf Sweden Customers