If you're going to sell into the communications industry, earthquake testing is required per GR-63-CORE. Customers in seismically active areas ask all other industries how earthquake “resistant” or “proof” their equipment is before making a purchase decision. This specification will influence a customer buy decision for products such as appliances, surgical/medical, diagnostic, manufacturing, structural, data processing equipment, as well as many others.

Testing to seismic requirements will give you an additional sales tool for this revenue stream of customers. APT can supply a full range of testing from Zone 1 through 4. Unless you are courting a customer in a location that is not seismically active, we will test to Zone 4 requirements. Under-testing may exclude customers in seismically active areas such as San Francisco, the pacific northwest USA, South America, parts of Europe, Asian regions and many other areas.

The Earthquake Simulator, or "shake table," was the first of its kind ever to be located in Colorado. We have the only table of this kind in this part of the USA. The servo-hydraulic system is capable of imparting all test stimuli prescribed by various testing regimens. Test product weights to 3000 pounds can be evaluated throughout the dynamic range of .1 to 500 Hz. The earthquake simulator can handle individual components to fully configured product systems of immense weight and dimension. The extremely large simulator test bed size will allow for a wide variety of test articles in support of many industries. Both the operational and packaged conditions of product may be verified in response to required product protocols.

Integrated seismic test table system

• Comprised of one vertical and one horizontal are configured to produce motions that can be programmed and controlled utilizing the latest digital control systems.
• Coupled together, these features can reproduce vibratory, mechanical shock and time history events in compliance with customer test requirements.
• The wide dynamic range provided through the 12 inch stroke actuator of the multi-axial system make it a perfect test device for synthesizing any large amplitude event seen in product handling, shipping or use.

Seismic test machine

• Energized by a huge hydraulic power supply with 3000 psi precharged hydraulic lines, the test system is capable of quick dynamic response and delivery of 14,000 lbs of dynamic force.
• Applied vibration or mechanical shock tests are faithfully reproduced per customer requirements in the horizontal or vertical directions. These may include transportation and handling test environments.
• The product under test is secured to the test table as per standard test protocols and may be instrumented to determine response acceleration, frequency and displacement data.

Specifications:
MIL-STD-202, 810
RTCA / DO-160
NEBS-GR-63

Equipment:
Vertical seismic test table:

• 3000 lb. capacity
• Full zone 4
• 1-1500 Hz capable
• 48” x 48” table

• 3000 lb capacity
• Full zone 4