Pacific Testing Laboratories

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Pacific Testing Laboratories
Environmental Testing

A partial list of our "in-house", up-to-date, environmental test equipment includes the following:
  • Five Single-stage Thermal Shock Chambers
  • One Double-stage Thermal Shock Chamber
  • One Three-stage Thermal Shock Chamber
  • Five Humidity Temperature Cycling Chambers
  • One Impulse Shock Test System
  • Three Vibration Test Systems, including Sine, Random, and Sine with Random
  • More than twenty Laboratory Ovens
Our multi-million dollar inventory of Environmental, Measuring, and Test equipment allows us to offer our customers expedited testing services and rapid turn-around to meet their urgent requirements in the following areas:

  • Corrosion
  • Corrosive Gas Environment
  • Flame & Flammability
  • Fungus Resistance
  • Hydrolytic Stability
  • Moisture and Insulation Resistance
  • Outgassing
  • Temperature/Humidity Cycling
  • Salt Fog
  • Surface Insulation Resistance (SIR)
  • Steam Aging
  • Thermal Stress
  • Thermal Shock and Temperature Cycling
  • UV Radiation
  • Vibration and Shock
  • Weatherometer


A view of our Thermal Shock area featuring three-stage, two-stage, and single-stage thermal shock chambers. All chambers are equipped with LN2, provided from a single high capacity storagetank.
Also pictured are precision temperature forcing systems for small sample testing.



A variety of large capacity precision temperature/humidity chambers provide us with the capability of processing alarge number of samples simultaneously. All chambers feature multi-stage microprocessor programming and continuous chart recording of temperature, humidity, number of cycles, duration of cycles, etc.


Several bench top ovens being used in a long-term heat aging test of plastic materials. At the time this photowas taken, the pictured ovens had been in continuous operation for two years at the required test temperatures.