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SoftwareGibitre
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The Gibitre temperature-controlled test chamber is a professional instrument for the accelerated aging of elastomeric materials in air and liquids at temperatures up to 250 °C. It is designed to perform laboratory tests in compliance with major international standards, including ISO 188, ISO 1817, ASTM D865, and ASTM D471, ensuring reliable and repeatable results.
The four independent test stations allow for the simultaneous processing of different samples, reducing test times and improving laboratory efficiency, as well as facilitating direct comparison between materials.
Temperature control is managed by a PT100 probe paired with a PID temperature controller featuring an integrated timer and automatic heater shut-off, ensuring controlled, stable, and reproducible aging cycles.
The structure features a thermally insulated stainless steel housing, an aluminum block with calibrated holes for glass test tubes, and a safety switch to prevent overheating, ensuring high standards of safety, reliability, and durability.
The external rack facilitates sample preparation and handling. Available accessories include glass test tubes (Ø 38 mm, length 300 mm) and water-cooled reflux condensers, ideal for liquid aging tests.
CE-marked, the Gibitre temperature-controlled block offers a practical and robust solution for laboratories requiring elastomer testing equipment capable of delivering consistent, comparable, and standards-compliant results.
Thermal regulated Block for the performance of aging tests in air and in liquids of elastomeric materials at temperatures up to 250°C conforming to ISO 188, 1817 ASTM D 471 and 865 Standards.
Aging tests are typically carried out to measure the variation of characteristics of an article before and after the aging process. The characteristics that are most frequently measured before and after aging are:
• Variation of mechanical characteristics (loading, lengthening, tearing)
• Variation of hardness
• Percentage variation of mass and volume.
Gibitre, in addition to providing this tool to perform accelerated aging in air or in liquid, also provides the tools to measure changes in the properties of the article and to produce the related reports.
The instrument is fitted with:
• Aluminium block contained in a stainless steel housing with thermal insulation with 4 calibrated holes designed for the insertion of 4 glass test tubes
• Heating resistance
• PT 100 thermal probe for temperature measurement
• PID thermoregulator
• Timer for the set of the heating time with automatic switch off of the heater at the end of the set time
The instrument is equipped with a timer that can be set between 0 and 99 hours and 59 minutes. The instrument automatically stops at the end of the set test time.
The Timer allows you to activate aging cycles by ending the test automatically in the absence of the operator.
4 glass tubes with a diameter of 38 mm and a length of 300 mm can be inserted into the instrument.
The specimens can be inserted into the glass tubes and locked using the fasteners provided.
Fixing devices allow the specimens to be placed in order to avoid contact with the glass tube walls.
The glass tubes are closed in the upper part with PTFE plugs provided with holes for the insertion of the glass pipes requested for the aging test in hot air according to ASTM D865
For aging tests in volatile liquids it is necessary to use condensation columns connected to a water supply. The condensation columns allow to condense the volatile part of the test liquid and make it fall back into the tube. In this way, the amount and formulation of the liquid in the glasses will remain unchanged.
A condensation column can be applied to each test tube.
Together with the instrument are supplied two side supports for housing the glass tubes not in use. The supports can be removed to reduce the overall dimensions of the instrument.
• Safety switch to prevent overheating
• Safety Push-button
• CE Labelling
The calibration is performed with reference to the requirements of ISO 1817 standard.
The service includes:
• Ordinary maintenance of the instrument
• Calibration of the temperature inside the testing tubes (at 70°C, 150°C, 200°C, 250°C).
• Issue and e-mail shipment of the Calibration Certificate with traceability to primary standards.
The instrument is totally developed and produced in the plant of Gibitre Instruments in Italy.
All the mechanical parts are produced in the company workshop using modern CNC machines.
Components and sensors from well-known brands are selected in order to ensure the maximum reliability in the measures
Internal trained personnel takes care of all the production stages: assembly, start-up, calibration, packing, shipment and installation.
