Vertical Conveyor Furnaces from Harper International
Harper’s patented Vertical Conveyor furnace, Vertical calciner is the company’s most ……...

Claim back valued laboratory space with the WS-4 Compact Vibration Isolation Table!
Features of the WS-4
Regain valuable lab space with a compact device.
A visual Load Adjustment Indicator for simply ascertainment of the best possible settings.
Enjoy a fully passive 6 degree of freedom system that needs no electricity or air to run.
An easy to use Vertical Stiffness Adjustment Screw that allows the user to dial in guaranteed with natural frequencies of 1/2 Hz or less in the vertical direction.
Manual alterations can be made using the Vertical Load Adjustment Crank which makes for a simple vertical load.
Customizable range for a tailored application.
A damped Phenolic top feature in the table that incorporates finding holes need for leveling feet of the BM-4 and the BM-1. This is an economical device that prevents ambient vibration with a stand that can withstand weight loads of 1000 lbs and perform with frequencies of 1/2 Hz in both vertical and horizontal directions.
Included in the product page are performance graphs that show the WS-4 offering 10-100 times improved results than a standard high-performance air table.

| . | . | . |
|---|---|---|
| Table Weight: Approximately 134 lb (62 kg)Isolator: Approx. 80 lb (36 kg)Stand: Approx. 54 lb (25 kg) | ||
| Dimensions:24" W x 24" D x 33" H(610 mm W x 610 mm D x 838 mm H) | ||
| Approximate payload weight range: | ||
| Model | Payload Range* | Price** |
| 100WS-4 | 60 - 100 lb(27 - 48 kg) | $5,205.00 |
| 150WS-4 | 90 - 155 lb(41 - 70 kg) | $5,255.00 |
| 250WS-4 | 180 - 270 lb(82 - 123 kg) | $5,580.00 |
| 350WS-4 | 290 - 370 lb(132 - 168 kg) | $6,020.00 |
| 500WS-4 | 360 - 525 lb(164 - 239 kg) | $6,115.00 |
| 650WS-4 | 500 - 680 lb(227 - 309 kg) | $6,280.00 |
| Weight: Approximately 90 lb (41 kg) - Dimensions - an additional 0.675" taller than the above units | ||
| 850WS-4 | 630 - 900 lb(285 - 408 kg) | $7,480.00 |
| 1000WS-4 | 890 - 1050 lb(403 - 476 kg) | $7,695.00 |
| 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. |
||
| Part#: WS-4 StandWeight: Approximately 54 lb (25 kg) | ||
| Dimensions: 24" W x 24" D x 23" H(610 mm W x 610 mm D x 533 mm H) | ||
**For International Orders, A Handling Fee of 5% is added.
Standard transmissibility graphs show performance curves that can be expected for this device: Below are examples of the vertical curve that illustrated the expected vertical 1/2 Hz performance. And the horizontal one illustrations a somewhat higher natural frequency.


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