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Cold chambers are and integral part of any cable test laboratory. They are helpful in performing cold bending, cold elongation and cold impart tests as per latest revision of IEC-60811 5 and 6 series. Techtrivial has many different designs and sizes for vertical cold chambers ranging from -15 degree Celsius to -86 degree Celsius.

A hydraulic press is a multi-use device as it can be used to mold the plastic samples for several testing requirements as well as day to day inspection such as Color matching tabs can be made with it, Limiting oxygen index test samples as per ISO 4589 can be prepared. The use of it is quite simple, but the granules on the dies of expected shape and press it on prescribed temperature, and within some minutes you get your sample as required.
The hardness tester is used for understanding the suitability of plastic compound material such as PVC, LSZH, EVA, PE, etc.
The test itself becomes very important when it is crucial to decide the temperature profile and tensile strength required for the product in the design phase. The hardness of the compound also determines flexibility of cable up to some extent.
IEC 60811-504 describes the cold bend test method for cables under low temperatures. The cold bend test on cable is only possible upto a maximum diameter of 12.5mm. The test is mainly conclusive to understand the flexibility and strength of plastic used over cable under low temperatures.
Whereas cold impact test on cables is performed according to IEC 60811-506. This test is mainly designed to simulate the plastic’s capacity to resist mechanical shock under cold environment.Here from a certain height, mandrels of specific weight are dropped on the cable.
• The gap between the walls is filled up with special grade glass wool for proper
insulation to avoid heat losses.
• Temperature Control, Thermostat (Temperature accuracy +/- 3 Deg C)
• On/Off Control (Temperature accuracy +/- 2 Deg C)
• PID Control (Temperature accuracy +/- 1 Deg C)
• Microprocessor control (Temperature accuracy +/- 0.5 Deg C
• Please specify the kind of controller and accuracy required at the time of
ordering.
• Water Circulation
• Water circulation using separate motor or stirrer.
• Elements
• Heating elements are made of high quality heaters which are put inside the
water bath and placed at the bottom of the bath
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