01.
Introduction The inspection vane is used to measure in-situ undrained shear strength in clays. It is primarily intended for use in trenches and excavations at depths up to 3m. This can be extended with additional optional extensions. The range of the instrument is from 0 to 260kPa when three different size vanes are used. Accuracy should be within 10% of the reading. Description The measuring part of the instrument is a spiral-spring, (max. torque transmitted 30 kgcm).
Working Instructions General Procedure 1. Connect required vane and extension rods to the inspection vane instrumen WHILE SCREWING VANE OR RODS TO INSTRUMENT, HOLD ONTO LOWER PART of the instrument. 2. Push vane into the ground to the required position. MAKE NO TWISTING MOTION TO VANE DURING PENETRATION. 3. Make sure that the graduated scale is set to 0 position. 4. Tum handle clockwise. TURN AS SLOWLY AS POSSIBLE WITH CONSTANT SPEED. 5.
Warranty Humboldt Mfg. Co. warrants its products to be free from defects in material or workmanship. The exclusive remedy for this warranty is Humboldt Mfg. Co., factory replacement of any part or parts of such product, for the warranty of this product please refer to Humboldt Mfg. Co. catalog on Terms and Conditions of Sale. The purchaser is responsible for the transportation charges. Humboldt Mfg. Co.
