INCREMENT BORER 

JEETEKNO 

INCREMENT BORER: 20cm of length, 5mm of core diameter, 2-threading. Increment Borer is a specialized tool to determine the age and the growth increment of a tree by exacting a section of wood tissue from a living tree with relatively minor injury to the plant. By examining the core sample, the user can reveal several indices of a tree, such as growth rate, age, compactness, even including pollution status of the environment where the tree lives and nutrient transport in the tree. Features: Made of high quality steel imported from Japan. Manufactured by advanced heat treatment and precision machining. Good quality, easy to take samples, complete, flat and smooth, etc. The handle is made of aluminum alloy with sand blasting and anodic oxidation treatment.

BAT DETECTOR

PETTERSSON-D100 Ultrasound Detector

 

Bat Detector 

PETTERSSON-D100 Ultrasound Detector The basic heterodyne detector. Features a microphone system for maximum sensitivity. With backlit frequency dial for easy reading at night. Type: Heterodyne. Microphone: Electret + ceramic. Frequency range: 10 - 120 kHz (min.). Bandwidth: 8 kHz (+/- 4 kHz), -6 dB. Battery: 1 x IEC 6LF22 (9 V). Quiescent current: 16 mA typ. Size: 113 x 71 x 33 mm (113 x 71 x 63 mm including knobs). Weight: 220 g including battery. Outputs: 2 x 3.5 mm jacks for headphones and recorder.

Globe Professional Edition Soil Color Book USA

 

 This professional edition includes Hues 10R to 5Y and Gley colors from 10Y to 5B. Organized in a ”waterfall” design, every color in each six-page set is visible at the same time, and the last page of each set functions as a convenient tab. Large color stripes measuring approximately 11/16” wide provide for easy color comparison. The book features lacquer-coated color stripes printed on water-resistant stock that can be cleaned with water and liquid soap if needed.http://www.jeetekno.com