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March 13, 2010
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68-500 SERIES
High-Capacity Vibration Isolation Lab Tables
   
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68-500 High Capacity Lab Tables

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  General Specifications
Isolator natural frequency:
  High Input
    Vertical = 1.0 Hz
    Horizontal = 0.8 Hz
  Low Input
    Vertical = 1.2-1.7 Hz
    Horizontal = 1.0-1.5 Hz
  Isolation efficiency @ 5 Hz:
    Vertical = 80-90%
    Horizontal = 80-90%
  Isolation efficiency @ 10 Hz :
    Vertical = 90-99%
    Horizontal = 90-99%
  Gross load Capacity:
    4,000 lbs. (1800kg) @80psi
  Net load Capacity :
    1200 lbs. (545kg)
  Finish:
    Medium texture black powder coat frame; stainless steel top.
  Facilities required:
    80 psi nitrogen or air
   
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For table applications that require isolating over 350 lbs (160 kg) of net load, we recommend our 68-500 Series tables. They are similar in design to our 63-500 Series tables, with higher capacity isolators and a more massive stainless steel top plate.

In addition to high load applications, 68-500 Series tables are also recommended for payloads with unusually high centers of gravity and equipment with moving stages. These applications should benefit from the increased stability of the 68-500 design.

With a stiffer, more massive top plate, a lower natural frequency isolator, and stiffer, heavier leg frames, 68-500 Series tables provide performance that is markedly superior to any other passive table in the industry.


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  Features Accessories
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  • front support bar
  • rear support bar
  • sub shelf
  • casters
     
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Ordering Chart

Table Model

   Description

Length
Depth
Height
C
68-561
Complete Table
3 ft x 4 ft
47 in.
(1,200 mm)
35.75 in.
(908 mm)
30 in.
(760 mm)
2.2 in.
(56 mm)
68-571
Complete Table
3 ft x 5 ft
60 in.
(1,500 mm)
35.75 in.
(908 mm)
30 in.
(760 mm)
9 in.
(225 mm)

Optional Accessories

High-capacity casters that retract inside the leg frames are a convenient option with this table. It is advisable to decide on the High-capacity casters with the original order because retrofitting requires dismantling of the table.

A rigid front support bar, not in contact with the isolated surface, is useful as an armrest and can be easily retrofitted. This support bar is compatible with the armrest pads and articulated armrest. Click here for more information

A rear support bar is required to allow mounting of sliding shelves when combined with front support bars. For sliding shelf ordering information, Click here for more information

An equipment subshelf, mounted to the tiebars beneath the isolated surface, is made of wood covered with black plastic laminate and is easy to retrofit, Click here for more information

Accessory Ordering Chart

Model   

Description

Length  
81-401-01
      
   Front support bar and mounting clamps
48 in.
(1,200 mm)
81-401-02
   Front support bar and mounting clamps
60 in.
(1,500 mm)
81-402-01
   Rear support bar and mounting clamps
48 in.
(1,200 mm)
81-402-02
   Rear support bar and mounting clamps
60 in.
(1,500 mm)
81-421-01
   Subshelf
 
83-013-01
  Set of 4 retractable casters
 

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