Minus K’s highest capacity bench top isolator. A cost effective product for weight loads up to 1000 lb. and 1/2 Hz performance vertical and horizontal.

  • No Air or Electricity
  • Vertical Load Adjustment Crank – Simple manual adjustment compensates for changes in vertical load.
  • Vertical Load Adjustment Indicator – Easily determine optimum setting using this simple visual indicator.
  • Vertical Stiffness Adjustment Screw – Dial in Guaranteed 1/2 Hz or less Vertical natural frequency using this simple adjustment.
  • They can also be made cleanroom and vacuum compatible.

See a typical performance curve in the specification sheet.

No Electricity logo for Minus k
No Air logo for Minus k
ROHS logo for Minus k
Weight: Approximately 80 lb (36 kg)
Dimensions:
24″ W x 22.5″ D x 9″ H

(610mm W x 572mm D x 216mm H)

Approximate payload weight range

Model

Payload Range*

 

100BM-1

60 – 100 lb 
(27 – 48 kg)
 

150BM-1

90 – 155 lb 
(41 – 70 kg)
 

250BM-1

180 – 270 lb 
(82 – 123 kg)
 

350BM-1

290 – 370 lb 
(132 – 168 kg)
 

500BM-1

360 – 525 lb 
(164 – 239 kg)
 

650BM-1

500 – 680 lb 
(227 – 309 kg)
 
Weight: Approximately 90 lb (41 kg) 
Dimensions: an additional 0.675″ taller than the above units

850BM-1

630 – 900 lb 
(285 – 408 kg)
 

1000BM-1

890 – 1050 lb 
(403 – 476 kg)
 

Performance

  • Vertical natural frequency of 1/2 Hz or less can be achieved over the entire load range.
  • Horizontal natural frequency is load dependent. 1/2 Hz or less can be achieved at or near the nominal load.

Simple Set-Up and Adjustment

*Contact us for custom payload ranges