product manual
03.18
HM-2850.3F
Humboldt
Multi-Speed Load Frame
Page 1: ...product manual 03 18 HM 2850 3F Humboldt Multi Speed Load Frame ...
Page 2: ...ndard soil tests The HM 2850 also incorporates a separate dedicated control to accommodate 2 00000 in min 50 80000mm for use in Marshall and TSR Testing as well as a rapid travel speed of 2 25 in min for moving the platen into position quickly Speeds are controlled through the use of edit keys and the digital display Product Use This product is intended for use only in accordance with the directio...
Page 3: ...ation is exceeded Electrical Warnings Typically there is no reason for the operator to open the machine However if the customer s engineers attempt to change settings to the circuit board connected to the back panel the machine must always be unplugged before this operation Unplugging the internal connection to the back panel circuit board while the machine is under power will result in permanent ...
Page 4: ...sly or subsequently sold Fitness for application The manufacturer makes no recommendations or claims regarding fitness for applications other than the specific tests as defined in this User Guide Installation and Set up Unpacking During your inspection make certain that the contents of your shipment match the documentation provided by your packing list Accessories that are part of your order may h...
Page 5: ...ndard wall receptacle for use in the United States Power Cord Your Multi use Test Machine is fitted with a molded vinyl grounding plug The cord is made of three conductors either American color coding Green Ground Earth White Cold Neutral Black Hot Live or International color coding Green Yellow Ground Earth Blue Cold Neutral Brown Hot Live Fuses The HM 2850 uses 2 5x20mm slo blow fuses in the IEC...
Page 6: ...ssing Motor Speed causes the display to display the motor speed keypad where you can enter the desired speed Speed Units Selection Press the unit to select in min or mm min Running a Test After selecting the desired speed and positioning the sample ini tiate a test by pressing the Up Arrow Upon conclusion of the test press the Stop Test key See Page 7 for a chart of common tests and test speeds Ra...
Page 7: ... will be maintained to 1 These are not closing gap speeds The speeds used in the various test are in fact the closing gap speed i e the distance between the cross beam and the platen These closing gap speeds will be dependent on the stiffness of the sample being tested and the compressibility of any load measuring device such as the load ring At high loads some machine stretch may occur The test s...
Page 8: ...C Consolidated Undrained 1 4 ASTM D4767 Para 5 2 028 or formula in Para 8 4 2 1 Cohesive Plastic Soils Marshall TSR ASTM D6927 5581 AASHTO T245 2 15 or 7 5 Mold Soil Cement ASTM D1633 Approx 05 Continuous w o shock CBR LBR Hveem Soil Cement ASTM D1883 D4429 field AASHTO T193 Approx 05 no pulses Continuous run at idle w o shock UU Unconsolidated Undrained quick triaxial 1 4 ASTM D2850 008 5 Brittle...
Page 9: ...nsducer HM 4170 Ball seat adapter HM 200387 Single channel readout choose HM 2350 HM 2350 4F NEXT software basic user defined included Pressure Pressure distribution panel for CU triaxial choose HM 4150 3F HM 4150M 3F Pressure distribution panel for UU triaxial choose HM 4140 3F HM 4140M 3F De airing system HM 4187A 3F Vacuum pump choose H 1763A H 1763A 4F Triaxial Cell choose 1 below 3 75mm dia c...
Page 10: ...50 Unconfined Compression Setup with HM 2850 Components Load 50kN 11240 lbf capacity HM 2850 3F Upper unconfined platen HM 2002 Displacement indicator platform HM 3000 10 2 Displacement indicator rod HM 3000 10 1 Load ring 500 lbf 2 5 kN H 4454 005 Dial gauge 2 0 travel 0 001 divisions H 4463 Typical Triaxial Sample Prep Items Components Part Qty Description HM 4180 XX 1 Membranes 12 pk HM 4181 XX...
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Page 12: ...r 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 shall not be responsible under this warranty if the goods have been improperly maintained installed operated or the goods have been altered or modified so as to adversely affect the operation use...
