The Haglof Vertex IV Range Finder 15-105-1010 is great surveying tool that measures heights up to 3,275 feet. This range finder features a large display to present all the measurements and it's very easy to navigate using only three keys, two arrows and one ON button. For better visibility, this Vertex model has a red cross to aim the target more accurately. To transfer all the results this rangefinder has built-in Bluetooth technology and infrared laser.

Great Measuring Range
The Haglof IV has a height measuring range from 0 ft to 3,275 ft with an accuracy of +/- 0.1 ft. This range finder can also be used to measure angles and distances with an accuracy 0.1 ft and 0.1 degrees respectively.

Depending on the surroundings The Haglof Vertex IV Rangefinder can be used in different ways. In areas with thick vegetation this surveying tool performs very good using the ultrasound technique. In order to use the ultrasound we would need the optional T3 Transponder, in fact the transponder can be used with the Vertex IV to measure heights placing it directly to a tree or a pole. The Vertex IV can even use a monopod staff to measure full circles for sample plots. To attach the monopod to the transponder an adapter is needed. This is an excellent feature for engineers and land surveyors.

Basal Area Factor - BAF
The Vertex IV Rangefinder features the BAF function. This option allows you to point sample an area, that is basically a method used to sample the trees based on their size rather than the amount of them. Using the Basal Area Factor this tool also determines whether or not to count a tree on the sample, it does a really good job sampling the borderline trees.

The Haglof IV also works with different measuring units: meters, feet, degrees, grads and percent.

Packages Choices
This rangefinder has additional accessories to enhance its functionality. Select your desired option from the pull-down menu above.

Lightweight and Low Battery Consumption
The Haglof IV Rangefinder uses 1 AA alkaline battery and the battery life is phenomenal. It comes in gray and it only weights 5.6 oz., it's also water resistant and rugged. This very small and robust tool comes with a 1 year limited warranty.

Features:
- Up to 0.1 foot distance accuracy
- 0.1 degree inclination accuracy
- Ultrasound
- Built-in loud speaker
- Optional 360 degrees T3 Transponder
- Circular measures in sample plots
- BAF functions
- Degrees, grads and percent
- Feet and meters
- Reinforced display
- 98 ft distance measuring range or better 
- 3,275 ft height measuring range
- Comes in grey
- Measures distance, horizontal distance, angles and heights
- Power: 1 x 1.5V AA
- Data transfer via Bluetooth, slave serial profile and Infrared
- Optional 360 degrees monopod
- Rubber coated aluminium
- Weights 5.6 oz

What's in the Box:
- (1) Haglof 15-105-1009 Vertex IV Hypsometer 60° Kit
- (1) T3 Transponder
- (1) Adapter
- (1) Monopod staff
- (1) Lanyard
- (2) AA batteries
- (1) User manual
- (1) Carrying case