Blume-Leiss Model BL6 Altimeter with Built-In Rangefinder and Target

BL6 Altimeter is Ideal for Finding Accurate Tree Heights

The height of the target can be read directly on the instrument scales with this BL6 Altimeter. Feature percent/degree conversions and degree/slope correction factors on the back. Baseline differences are in 15, 20, 30 and 40m. Both models also work as a clinometer with degree readings from –30° to 60°.
This Model BL6 Altimeter with Built-In Rangefinder and Target has a single-pendulum indicator allowing ease of operation in a simpler construction. Baseline distance must be determined with a measuring tape or rangefinder. Includes carrying case.