KM Bolt-On Weight Sensors - Kistler-Morse

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Number of Similar Vessels Vessel Type (Select closest type 101-104) Leg Type (If pipe leg - use Microcells in same configuration as L-Cells) LEG TYPES A C B I-BEAM Area = (A x 2B) x C A C B ANGLE Area = (A + B) x C Live Load (Working capacity) lbs Number of Legs Live Load per Leg (See formula) Steel Area Calculation (See Leg Type formula) Load Factor (See formulas) Percentage ±Error (From chart at right) ± Accuracy (In pounds) ± Proceed to STEP 3 lbs in 2 psi % lbs FORMULAS A T T D B TUBULAR Area = (2A + 2B) x T PIPE Area = 3.14 x D x T Live Load per Leg = Live Load (Working capacity) ÷ Number of Legs Load Factor (psi) = Live Load per Leg ÷ Steel Area Calculation Accuracy in Pounds = Live Load x ±Error% (From chart at right) Number of Similar Vessels Vessel Type (Select closest type 502-602) LEG TYPE A D Live Load (Working capacity) Number of Support Beams lbs I-BEAM Shear Area = A x D Live Load per Support Point Beam (See formula) Steel Area Calculation (See Shear Area formula) lbs in 2 FORMULA Load factor (See formula) psi Percentage ±Error (From chart at right) ± % Accuracy (In pounds) ± lbs Proceed to STEP 3 Number of Similar Silos Silo Type (<strong>Bolt</strong>ed or Welded) SILO TYPE Live Load (Working capacity) lbs Vessel (D)iameter (In inches) in Skirt (T)hickness (In inches) in T Load Factor (See formula) psi D Percentage ±Error (From chart at right) Accuracy (In pounds) ± ± % lbs FORMULA Load Factor (psi) = Live Load (Working capacity) ÷ (3.14 x D x T) Proceed to STEP 3 Accuracy in Pounds = Live Load x ±Error% (From chart at right)
LEG ACCURACY CHART {± ERROR %} 9 8 7 6 5 4 3 2 1 CONSULT FACTORY {3089 psi} {example} Outside N=0 Outside N=1 Outside N=2 Inside N=0 Inside N=1 Inside N=2 EXAMPLE {see example to the left} Storage silo located outside with a capacity of 120,000 lbs. It is supported by four 10” I-Beam legs (that are type W10X33). There are no braces. Vessel Type 101 Leg Type I-Beam W10X33 (10” x 8”) Live Load 120,000 lbs Number of Legs 4 Live Load per Leg 120,000 ÷ 4 = 30,000 lbs per Leg Steel Area Calc. 9.71 in 2 Load Factor 3,089 psi Accuracy ±2.5% of 120,000 lbs = ±3,000 lbs 2 L-Cells per leg with appropriate electronics. 0 0 1000 2000 3000 4000 5000 6000 7000 8000 9000 {STRESS IN PSI} See Vessel Drawing for N value. HORIZONTAL ACCURACY CHART {± ERROR %} 9 8 7 6 5 4 3 2 1 0 0 CONSULT FACTORY {example} {3600 psi} 1000 2000 3000 4000 5000 6000 7000 8000 9000 {STRESS IN PSI} 4 Cells/Beam 2 Cells/Beam 1 Cell/Beam EXAMPLE {see example to the left} Load out vessel located outside with a capacity of 120,000 lbs. It is beam supported by four diagonal 12” I-Beams (that are type W12X53). There are no other support points. NOTE: In load out applications, batch accuracy is typically greater than inventory accuracy as stated. Vessel Type 551 Leg Type I-Beam W12X53 (12” x 10”) Live Load 120,000 lbs Number of Beams 4 Live Load per Beam 120,000 ÷ 4 = 30,000 lbs per support Beam Shear Load per Beam 30,000 ÷ 2 = 15,000 Steel Area Calc. 4.161 in 2 Load Factor 3,605 psi Accuracy ±1.75% of 120,000 lbs = ±2,100 lbs 2 L-Cells per support beam with appropriate electronics. STEP 3 SKIRT ACCURACY CHART {± ERROR %} 18 16 14 12 10 8 6 4 2 CONSULT FACTORY {2123 psi} {example} Best Case Worst Case Working Area EXAMPLE {see example to the left} Receiving silo for flour is a Peabody bolted TecTank ® that is 12’ in diameter by 56’ tall and located outside. It has a skirt thickness of 3/16” and holds 180,000 lbs. The fill method is pneumatic and the use of the system will be for inventory purposes. Vessel Type Skirted Silo (<strong>Bolt</strong>ed) Live Load 180,000 lbs Vessel Diameter 144 in (12 Feet) Skirt Thickness 3/16 in (0.1875) Load Factor 2,123 psi Accuracy ±3.0 to 5.0% of 180,000 lbs = ±5,400 to 9,000 lbs 4 sets of L-Cells per silo with appropriate electronics. 0 0 1000 2000 3000 4000 5000 6000 7000 8000 9000 {SKIRT STRESS IN PSI}
Page 1 and 2: {INTRODUCTION} As you fill and empt
Page 3: {LEG SUPPORTED VESSELS} Is this a s
Page 7: NOTES: P/N 97-5092 KM is represente

KM Bolt-On Weight Sensors - Kistler-Morse

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