Competitive Comparisons
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Dynamic Deflection Coefficients (DDC) and Maximum
Isolated Relative Motion (IRD) in Comparative Makes
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KSI
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Newport
+
|
TMC*
|
Melles Griot
+
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Ultimate Grade
|
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Model Number
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5312-4896
|
No Comparable Model Available
No Comparable Model Available
No Comparable Model Available
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Max. Dynamic Deflection Coefficient
|
0.3 (10)
-3
|
|
Max. Relative Motion (in) – IRDmax
|
0.8 (10)
-9
|
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Research Grade
|
|
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Model Number
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5212-4896
|
RS4000-48-12
|
784-655
|
07 0TR 012
|
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Max. Dynamic Deflection Coefficient
|
0.5 (10)
-3
|
0.4 (10)
-3
|
0.6 (10)
-3
|
0.5 (10)
-3
|
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Max. Relative Motion (in) – IRDmax
|
1.3 (10)
-9
|
1.0 (10)
-9
|
1.5 (10)
-9
|
1.3 (10)
-9
|
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Laboratory Grade
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Model Number
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5112T-4896
|
RS3000-48-12
|
783-655
|
07 0TP 012
|
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Max. Dynamic Deflection Coefficient
|
0.6 (10)
-3
|
0.6 (10)
-3
|
1.1 (10)
-3
|
0.9 (10)
-3
|
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Max. Relative Motion (in) – IRDmax
|
1.5 (10)
-9
|
1.5 (10)
-9
|
2.6 (10)
-9
|
2.2 (10)
-9
|
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Utility Grade
|
|
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|
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Model Number
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5112H-4896
|
RS2000-48-12
|
781-655
|
07 0TM 012
|
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Max. Dynamic Deflection Coefficient
|
0.7 (10)
-3
|
0.8 (10)
-3
|
1.4 (10)
-3
|
1.3 (10)
-3
|
|
Max. Relative Motion (in) – IRDmax
|
1.9 (10)
-9
|
2.5 (10)
-9
|
3.4 (10)
-9
|
3.3 (10)
-9
|
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Economy Grade
|
|
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Model Number
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5112-4896
|
RT-48-12
|
773-655
|
¾
|
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Max. Dynamic Deflection Coefficient
|
0.9 (10)
-3
|
2.8 (10)
-3
|
1.4 (10)
-3
|
¾
|
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Max. Relative Motion (in) – IRDmax
|
2.4 (10)
-9
|
5.7 (10)
-9
|
3.4 (10)
-9
|
¾
|
Comparison of maximum dynamic deflection coefficients and maximum isolated relative motion for various makes and grades of tables 4' x 8' x 12" thick in light traffic environment. W
Q
=10
-10
g
2
/Hz
* Calculated from catalog data.
+ Data taken from catalog and recalculated for lower PSD.
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