LBT-27DZR Electronic Semiconductor Thermal Vacuum Balance High-Temperature Test Chamber
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Description
Product Introduction:
This product series conducts thermal cycling tests on specimens under vacuum conditions. It is suitable for use in the aerospace, intelligent manufacturing, new energy, electronic instrumentation, electrical materials, automotive, metallurgical, and electronic product industries, as well as for evaluating the performance characteristics of various electronic components in high‑temperature vacuum environments and for quality management purposes. It is also employed for drying, baking, and heat‑treating materials. Furthermore, it can simulate the vacuum, cold‑black, and solar radiation conditions of space in a ground‑based setting, enabling thermal vacuum tests and thermal balance tests. Additionally, it can replicate the extreme thermal conditions of the space environment, allowing for thermal vacuum testing of test articles while providing effective control, monitoring, and recording of their temperatures in a vacuum. This furnishes essential experimental conditions for research on related aerospace products. During simulated testing, specimens are typically operated under working conditions, with their operational and environmental parameters continuously measured.
Product Features:
l A single‑use, high‑temperature‑resistant silicone rubber door seal, integrally molded in one piece, is installed between the chamber and the glass door to ensure effective sealing and maintain a high vacuum level inside the chamber.
l Buckle-type elastic adjustment door lock, ensuring excellent vacuum integrity.
The enclosure is made of high-quality cold-rolled steel sheet, with an electrostatic powder-coated finish that provides a hard, durable coating and excellent rust resistance.
l The worktop is made of high-quality stainless steel, featuring rounded corners, a smooth and streamlined design, and easy-to-clean surfaces.
The space between the cabinet body and the working chamber is filled with ultra-fine glass wool insulation, providing excellent thermal insulation and ensuring stable, accurate internal temperatures while minimizing environmental influences.
The chamber door features a double-layer tempered glass construction, allowing clear observation of the heated items inside while providing excellent thermal insulation. This effectively prevents burns to operators.
The heater is mounted on the outer surface of the chamber to maximize temperature uniformity within the enclosure and facilitate interior cleaning.
Technical Specifications:
| Device Model/Name | LBT-27DZR Electronic Semiconductor Thermal Vacuum Balance High-Temperature Test Chamber |
| Temperature control range | RT+10~250℃ |
| Vacuum chamber dimensions | 300*300*300mm (width*depth*height) |
| Ultimate vacuum level | ≤5.0×10⁻⁵ Pa (under no-load, ambient temperature conditions) |
| Operating vacuum level | ≤1.3×10⁻³ Pa |
| Temperature resolution | 0.1℃ |
| Temperature fluctuation degree | ±0.5℃ |
| Power Supply/Voltage | 220V/50HZ |
| Noise | 75 dB(A), measured at a distance of 1 meter directly in front of the cabinet. |
| Main Pump System | Forepump: Rotary vane oil pump (rapidly starts to reduce pressure when the pressure drops from atmospheric to 10 Pa) Secondary pump: oil diffusion pump (pressure reduction begins when the pressure drops from 10 Pa to 10⁻⁵ Pa) (molecular pump available as an option) |
| Temperature Monitoring System | Samsung Electronics PT100 |
| Cooling and temperature reduction method | Dedicated water-cooled circulator |
| Vacuum degree display method | Independent vacuum level display system |
| Temperature display mode | Color touchscreen digital display; features real-time temperature recording, batch recording and query of curve data, and storage and historical review of alarm and fault logs. |
| Vacuuming method | Automatic vacuuming |
| Enclosure structure | An independent heating chamber is controlled, and the vacuum system is connected to the heating chamber via piping. |
| Equipment material | The inner liner is made of high-quality SUS304 stainless steel, while the outer frame is constructed from cold-rolled steel sheets welded to channel sections, with an electrostatic powder coating on the surface. |
| Box door structure | Made by joining tempered, bulletproof double-layer glass doors with stainless steel panels. |
| Door seal material | The door closure tightness is adjustable, and the unit features an integrally molded, Japan‑imported silicone rubber door seal to ensure a high vacuum inside the chamber. |
| Insulation material | High-Temperature-Resistant Fireproof Aluminum Silicate |
| Sensor | High-temperature thermocouple |
| Safety device | Over-temperature alarm that cuts off the heating power supply, leakage protection, filament‑break alarm, phase‑loss protection, grounding protection, and other safeguards. |
| Heating method | External bundled heating (external heating) |
| Note | ① If the material to be processed contains a high moisture content, please inform our technical staff prior to purchase to confirm whether an additional water‑vapor condensation and collection unit is required. ② When handling materials that contain corrosive or volatile substances, please consult our technical staff in advance to determine whether to select corrosion‑resistant equipment materials and collectors. |
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