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Technical Reference Guide
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This technical reference details acceleration, displacement, frquency, compliance and presure, temperature along with conversion charts.
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| Conversion Charts |
| Sinusoidal Motion (zero-peak) |
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Displacement (D)
(in.) |
Velocity (V)
(in./sec) |
Acceleration (A)
(g) |
Displacement (D)
(in.) |
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D = 0.159 V/ƒ |
D = 9.78 A/ƒ2 |
Velocity (V)
(in./sec) |
V = 6.28 ƒD |
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V = 61.4 A/ƒ |
Acceleration (A)
(g) |
A = 0.102 ƒ2D |
A = 0.0163 ƒV |
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ƒ = frequency, Hz
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| Sinusoidal Wave Forms Multiplier x (A = xB) |
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B |
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|
Peak |
Peak to Peak |
RMS |
Average |
| A |
Peak |
1 |
0.5 |
1.414 |
1.570 |
| Peak to Peak |
1 |
1 |
2.828 |
3.140 |
| RMS |
0.707 |
0.354 |
1 |
1.110 |
| Average |
0.637 |
0.319 |
0.901 |
1 |
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| dB |
Gain |
| 60 |
1000 |
| 40 |
100 |
| 20 |
10 |
| 10 |
3.16 |
| 6 |
2.00 |
| 3 |
1.41 |
| 1 |
1.12 |
| 0 |
1.0 |
| -1 |
0.891 |
| -3 |
0.708 |
| -6 |
0.5 |
| -10 |
0.316 |
| -20 |
0.1 |
| -40 |
0.01 |
| -60 |
0.001 |
dB = 20 log (Vout/Vref)
Vout = log-1 (dB/20) |
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Average Value = 0.637 x Peak Value
RMS Value = 0.707 x Peak Value
Peak Value = 1.414 x RMS Value
Peak to Peak Value = 2 x Peak Value
Peak to Peak Value = 2.828 x RMS Value
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| Acceleration |
1 g = 32.174 ft/sec2
1 g = 9.807 m/sec2
in./sec2 = 0.0254 m/sec2
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| Displacement |
1 mil = 0.001 in.
1 mil = 0.0254 mm
1 in. = 25.4 mm
1 cm = 10 mm
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| Frequency |
1 Hz = 1 cps
1 Hz = 0.159 rad/sec
1 Hz = 60 rpm
1 rpm = 0.0167 Hz
1 rpm = 1 cpm
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| Compliance and Pressure |
mm/N = in./lb x 5.7
in./lb = mm/N x 0.175
psi = kg/cm2 x 14.223
kg/cm2 = psi x 0.0703
psi = Pascal (Pa) x 1.45 x 10-4
Pascal = psi x 6895
Pascal = kg/cm2 x 9.8 x 104
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| Weight |
1 oz = 28.35 grams
1 kg = 2.205 lbs
1 N = 0.2245 lbs
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| Temperature |
| °C |
°F |
| -50 |
-58 |
| -40 |
-40 |
| 0 |
32 |
| 25 |
77 |
| 80 |
176 |
| 120 |
248 |
| 200 |
392 |
| 260 |
500 |
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| Environmental Noise Sources |
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| Typical properties of materials used for table construction |
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Density
lb/in3 (103kg/m3) |
Young’s Modulus
106 psi (GPa) |
Shear Modulus
106 psi (GPa) |
Thermal Expansion Coefficient
10-6/°F (10-6/°K) |
Thermal Conductivity
BTU/hr-ft-°F (W/m-°K) |
Specific Heat
BTU/lb=°F
(103 J/kg-°K) |
| Ferromagnetic Materials |
| Carbon Steel |
0.28 (7.8) |
29.0 (200) |
11.0 (76) |
5.6 (10) |
26 (45) |
0.11 (0.46) |
| 400-Series Stainless Steel |
0.28 (7.8) |
29.0 (200) |
11.0 (76) |
5.6 (10) |
14 (24) |
0.11 (0.46) |
| Super Invar at 20°C |
0.29 (8.0) |
21.5 (148) |
8.7 (60) |
-0.1 (-0.2)
at 50°C approx. 0 |
6 (10) |
0.12 (0.50) |
| Cast Iron |
0.26 (7.2) |
15.2 (105) |
6.1 (42) |
6.0 (11) |
28 (48) |
0.13 (0.54) |
| Nonferromagnetic Materials |
| 300-Series Stainless steel |
0.29 (8.0) |
29.0 (200) |
12.5 (86) |
9.2 (16.6) |
9 (16) |
0.12 (0.50) |
| 6061-T6 Aluminum |
0.10 (2.8) |
9.9 (69) |
3.8 (26) |
13.0 (23) |
96 (166) |
0.21 (0.88) |
| Granite |
0.10 (2.8) |
7.0 (48) |
3.0 (21) |
4.0 (7) |
2 (3.5) |
0.20 (0.84) |
| Concrete |
0.09 (2.5) |
3.0 (21) |
1.3 (9) |
8.0 (14.4) |
0.5 (0.9) |
0.16 (0.67) |
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