SUUNTO PRECISION HIGH hypsometer PM-5/1520
* Price: € 178.00
* Precision: High accuracy (0.33 º )
* Method of measurement:
1) Measure the horizontal distance from the base of the tree to a point where
can be seen the extent required (eg. the apex);
2) Observe the point with one eye and the other on the scale, until the images
imposed appear on the tree;
3) Read the scale as a percentage and multiply by the horizontal distance;
4) Observe the base of the tree and repeat steps 2-3;
5) Combine readings of steps 3 and 4 to determine tree height
use* Speed: fast to use, easy and maneajable.
* Robustness: 110 g.
* For measurement of height to distance from target 15, 20, 30 or 40 meters Provider:
Blume-Leiss
* Price: 256 Euros
* Precision: precision medium-high
* Method of measurement:
1) Select and measure a distance, preferably 15, 20, 30 or 40 m from the base
tree from a point where it can be seen the extent required (eg.
apex) ;
2) Loosen the indicator by pressing the side of the device;
3) Observe the extent required, wait for the needle to settle down and fire the shutter
;
4) Read the height directly on the appropriate scale (15, 20, 30 or 40 m);
5) Look at the base of the tree and repeat steps 2-4;
6) Combine the readings in steps 4 and 5 to determine the height of the tree.
use* Speed: very fast to use, easy and maneajable.
* Robustness: 180g.
* For measurement of height to distance from target 15, 20, 30 or 40 meters, with slopes between 30 and 60 degrees Provider:
http://www.benmeadows.com/search/Blume-Leiss/1307/?type=brand
dendrometer / VERTEX LASER RANGEFINDER
* Price: 3,100 Euros
* Precision: Very high
* Method of measurement:
1) Turn and place the sensor at 1.3 m in the trunk of the tree;
2) Leave the tree to a point where I can see the sensor and the point
required (eg. The apex);
3) Press the power button and point it towards the sensor. Press and release the
red button until the red light starts flashing (the vertex measured for
horizontal distance and the slope of your eye to the sensor);
4) Repeat reading other desired points;
5) Combine the readings and multiply by the distance to get the height of the tree
.
* Robustness: 260 g.
* Instrument measure heights, angles, distances, terrain slopes, measure heights from 30 m with the ultrasonic system and from 400 m to the laser range finder system, records up to 6 different heights designed, get maximum precision due to the red dot focus on cross. Provider: http://www.weboryx.com/phtml/ficha.phtml?Total=1&buspalabra=forcipula&tipo=3&menu=equipo
dendrometer VERTEX IV - 360
* Price: 1,850 Euros
* Precision: Very high
* Method of measurement:
1) Turn and place the sensor at 1.3 m in the trunk of the tree;
2) Retire tree to a point where I can see the sensor and the point
required (eg. the apex);
3) Press the power button and point it towards the sensor. Press and release the
red button until the red light starts flashing (the vertex measured for
horizontal distance and the slope of your eye to sensor);
4) Repeat the reading with other desired points;
5) Combine the readings and multiply by the distance to get the height of the tree
.
* Robustness: 160 g.
* An instrument for measuring heights, angles, distances, terrain slopes, measure heights from 30 m with the ultrasonic system and from 400 m to the laser range finder system, records up to 6 different heights designed , get the highest precision thanks to the red dot on the cross. Provider:
http://www.weboryx.com/phtml/ficha.phtml?Total=0&buspalabra=forcipula&tipo=3&menu=equipo
BUSHNELL-LASER-RANGEF
* Price: 795 €:
* Precision: Very high
* Method of measurement: instrument for measuring the height and diameter of trees , uses laser light to determine distance to a tree, the user enters the numbers you read on the telescope and device calculates the height or diameter.
* Robustness: 480 g.
Provider:
http://es.ucables.com/ref/BUSHNELL-LASER-RANGEF-R38108
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