Miniature. Diaphragm. Bending

Transcription

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2 Bending Beam Shear Beam Miniature Diaphragm Column Single point weighbeam Shear pancake Diaphragm Diaphragm pancake Single Column Bending Beam Clevis Pin Bending Beam Multiple Column Cannister Donut Column Donut S Type 2

3 Retail weighing OEM Industrial weighing Specialist Force Measurements Process Weighing Scientific weighing Research/Calibration Force measurement 3 Test & Measurement

4 FORCE MEASUREMENT INDUSTRIAL WEIGHING OFFICE WEIGHING RETAIL WEIGHING 4

5 Tension Compression 5

6 10V 6

7 LOAD 10V 7

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29 # $ " 29

30 Connection to structure Mounting considerations Size Weight Connection to measurement system Electrical Connection Signal O/P Excitation Sensitivity Additional O/Ps Sensor Properties Internal Measurement Type Range Accuracy External Environmental Extraneous Loads Temperature Range Overload protection 30

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51 Mechanical failure Load Range Overload Range Progressive Damage Usually same as load range 51

52 Specials Model TG Model TH Model MPB Model WG Model LFH-71 Model 73 Model 43 Model 53 Model D Model 13 Model RM, RH, RF Model 82 Model 81 Model RGM, RGH, RGF Model 45 Model 46 Model 75 Model UG Model 41 Model 11 Model 34 Model ,000 10, ,000 1,000,000 Lbs Load Range Tension Compression Fatigue rated version Tension & Compression Fatigue rated version 52 Bending

53 " Model 47 Model 49 Model UG Model WG Model GR Model SP Model 82 Model 81 Model 41 Model 75 Model MBL Model 73 Model 43 Model 31 Model 34 Model TG Model RM,RH,RF Model RGM,RGH,RGF Model TH Model MPB Model 53 Model D Model 13 Model 11 Model LFH COMPRESSION TENSION

54 Mod el M PB 10,000 lbs 0.02% 0.03% 0.03% 0.02% 0.03% TEN SION/COMPR ESION TENSI COM ON PRESION M Mod odel UG 0.02% Model %0.02% 49Model 41Model 75 Model MPB Mode el TG WGMode Model 43 Model 73 l 73 Model UG 47 Model 49 Model RGM,RGH,RGFModel 31 Model 41 Model WG l TH Model 75 TH 53Model LFH-71Model D l MPBModel LFH-71 Model 13 el 53 Model 13 Model 43 Mode Model RM,RH,RF l Model RM,RH,RF Model 82 UG Model RGM,RGH,RGF 47Model Model Model 1 Model D 43Model 73 Model UG Model 34 41Model 75Model 31 49Model 47 DModel 53Model LFH-71M odel Model % 0.03% 0.03% 0.02% 0.03% 0.03% 0.02% 0.03% 0.03% 0.02% 0.03% 0.03% & 100,000 lbs 10,000 lbs 1,000 lbs 100 lbs 10lbs TENSION/COMPRESSION Model UG Model % 0.03% 0.03% Model % 0.03% 0.03% Model UG 0.02% 0.03% Model 47 Model 49 Model 41 Model RGM,RGH,RGF Model 75 Model 31 Model UG Model 47 Model 49 Model 41 Model RGM,RGH,RGF Model 34 Model 31 Model 11 Model UG Model 47 Model 49 Model 34 Model 31 Model 11 Model 41 Model 34 Model 31 Model 11 Model 41 Model 75 Model 75 Model 75 Model 41 COMPRESSION Model TG Model 43 Model WG Model MPB Model TH Model 73 Model WG 73 Model 73 Model MPB Model D Model TH 73 Model 43 Model LFH-71 Model 53 Model 53 Model 13 Model Model D Model LFH-71 Model 43 Model 53 Model 13 Model 73 Model D Model LFH-71 Model 43 Model D Model 53 Model 13 Model 43 TENSION Model 82 Model RM,RH,RF Model 82 Model RM,RH,RF Model 82 Model 81 54

55 ' " ( " +, - + -,.///. 55

56 ( " TORQUE OFF AXIS LOADING SIDE LOADING 56

57 ( " %& 0/1 1 %& 57

58 ( " % Distance from centerline to gauges Distance from centerline to gauges 58

59 ( ", Poor Better Good Best 59

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63 ( ", 2 63

64 " Load Cells Pancake 64

65 " Load Cells Pancake Miniature 65

66 " Load Cells Pancake Miniature Cannister 66

67 " Load Cells Pancake Miniature Cannister Donut Style 67

68 " Load Cells Pancake Miniature Cannister Donut Style Rod End Style 68

69 " Load Cells Pancake Miniature Cannister Donut Rod End Z Beam Style Style 69

70 " Load Cells Pancake Miniature Cannister Donut Rod End Z Beam Dynamic Style Style Load 70

71 " Load Cells Pancake Miniature Cannister Donut Rod End Z Beam Dynamic Style Style Load Special Applications 71

72 10,000 lbs Model 73 Model 0.02% 0.03% 0.02% 0.03% Model 73 Model 0.02% % 0.03% 0.02% 0.03% 0.03% " Load Cells Pancake Miniature Cannister Donut Rod End Z Beam Dynamic Style Style Load Special Applications Fatigue Rated Non-Fatigue Rated Tension Compression Model 75 Tension Compression Model 41 Compression only 73 Compression only 43 Ultra High Precision 0.02% 0.03% Model 45 Ultra High Precision Model % 0.03% Model 47 Model 49 72

73 " Load Cells Pancake Miniature Cannister Donut Rod End Z Beam Dynamic Style Style Load Special Applications Sub miniature Miniature Tension Compression Model 11 Tension/Compression Male thread Model 31 Compression only Model 13 Tension/Compression Female Thread Model 34 High Capacity Compression Low Cost Compression Only Model 53 Model LFH-71 73

74 " Load Cells Pancake Miniature Cannister Donut Rod End Z Beam Dynamic Style Style Load Special Applications Tension & Compression Compression Only 100 to 200,000 lbs 0.03% 10,000 to 500,000 lbs 0.03% Model WG Model UG 50,000 to 500,000 lbs 0.1% Model TG Model TG 15,000 to 3,000,000 lbs 0.25% Model MPB 74

75 " Load Cells Pancake Miniature Cannister Donut Rod End Z Beam Dynamic Style Style Load Special Applications Compression only 150 grms to 30,000 lbs 15,000 to 200,000 lbs Model D Model TH 75

76 " Load Cells Pancake Miniature Cannister Donut Rod End Z Beam Dynamic Style Style Load Special Applications Tension Compression Tension Model RGM Male-Male Thread Male-Male Thread Model RM Model RGH Male-Female Thread Male-Female Thread Model RH Female-Female Thread Female-Female Thread Model RGF Model RF 76

77 " Load Cells Pancake Miniature Cannister Donut Rod End Z Beam Dynamic Style Style Load Special Applications Tension Only ,000 lbs Lbs Model 82 Model 81 77

78 " Load Cells Pancake Miniature Cannister Donut Rod End Z Beam Dynamic Style Style Load Special Applications 1000 lbs 10,000 lbs Model DLN Model DLS 78

79 " Load Cells Pancake Miniature Cannister Donut Rod End Z Beam Dynamic Style Style Load Special Applications Clevis Pins Single Point Compression Build from scratch special 79

80 " Load Cells Pancake Miniature Cannister Donut Rod End Z Beam Dynamic Style Style Load Special Applications Clevis Pins Single Point Compression Specials Standard Product Build from scratch special 80

81 % ) *+ FORCE MEASUREMENT INDUSTRIAL WEIGHING OFFICE WEIGHING RETAIL WEIGHING 81

82 % ) *+, ' % " # + # # # 3!* #!( #, #, # # 4* 8 # 5 #, # # 3! #!, # # ( # ( #, # 67 82

83 , Difficult to seal 83

84 , Barometric pressure Single sided diaphragm Hermetically sealed 84 9/

85 , Barometric pressure Diaphragm each side equalizes pressure effects Barometric pressure 85

86 , :.0/ 9// ( ( ( 86

87 '9/, ;<; : /-9; /-./; =-0/: 4! 87

88 " Supply + 2 mv/v Ground Signal +ve Signal to noise ratio = 20 (Digitizer error as much as 10%) Signal = 20 mv maximum Noise = 1 mv 88

89 " Internal amplifier fitted Supply V DC Supply Ground Signal +ve 0-10V output 89

90 " Supply V Ground Signal +ve Signal to noise ratio = 10,000 (Digitizer error only 0.01%) Signal = 10 V maximum Noise = 1 mv 90