
One, High Temperature Test Chamber Product Application Scope Industry:
Guangdong Hongjun Instrument & Equipment Co., Ltd.'s HJ/CQ series testing equipment is used for testing the heat resistance, cold resistance, high-temperature resistance, and moisture resistance of various products and materials. Suitable for factories producing electronics, silicon chips, batteries, photovoltaic modules, electrical appliances, food, vehicles, metals, chemicals, laptops, LEDs, 5G, mobile phones, communication, telecommunications, aerospace, aviation, semiconductors, chips, diodes, transistors, auto parts, new energy, lithium batteries, building materials, etc., as well as for production workshops, laboratories, and research institutions to conduct temperature and humidity environmental testing on finished and semi-finished products. Guangdong Hongjun Instrument & Equipment Co., Ltd. understands.
II. High-Temperature Test Chamber Specifications:
1. Internal dimensions: 600mm (width) × 600mm (depth) × 600mm (height); (Custom made for non-standard specifications!)
2. External dimensions approx.: 900 (width) × 830 (depth) × 1520 (height) mm; actual item measurement applies.
3. Cabinet Structure: Integrated unit, vacuum pump located at the bottom of the machine.
4. Separator: Internally divided into two layers, with two stainless steel mesh plates, which are removable and adjustable.
5. Panel Installation: The control panel is installed beneath the machine.
6. Door Opening: Open from right to left; door features a visible window, size W300*H350mm.
7. Inner material: 5.0mm thick stainless steel plate; reinforced inner box, vacuum sealed without deformation.
8. Material: Cold-rolled steel plate, thickness 1.2mm, powder coated (beige white).
9. Insulation material: high-temperature-resistant rock wool, excellent thermal insulation performance.
10. Equipped with brake-mounted swivel casters for easy movement.
Section 3: High-Temperature Test Chamber Temperature Control System
1. The temperature controller is a digital indicator, featuring single-point temperature control, automatic calculation, simultaneous display of PV/SV, and key settings.
2. Timer Function: Utilizes an Omron timer to stop heating and vacuum extraction upon completion of the set time, with an alarm to notify.
3. Thermocouple wire (Type K)
Output: 3-32V
5. The current controller is a PID + SSR solid-state relay.
6. Heating Method: Uses a three-sided radiant heat method (left, right, and bottom sides).
7. Heat materials include: high-temperature stainless steel heating tubes.
8. Temperature Range: Room temperature +30℃ to 250℃ (adjustable and controllable in between)
9. Control Precision: ±0.5℃
10. Display Accuracy: 0.1℃
11. Internal Temperature Deviation: ±5.0℃ (No vacuum, unloaded test)
Section 4: High-Temperature Test Chamber Vacuum System
1. Door Sealing Method: The machine door uses high-density silicone sealing strips for sealing.
2. Vacuum Display Method: Vacuum gauge used for indicating vacuum level.
3. The vacuum control method is: automatic control. The vacuum pump stops when the vacuum reaches the set value, and automatically replenishes vacuum if it falls below the upper limit, cycling to maintain a constant vacuum state.
4. Pressure Relief Method: After testing, manually initiate the pressure relief function for pressure release; controlled by an electromagnetic valve.
5. Machine vacuum range: ≤1.0×10^5~1.0×10^1 (Pa), [i.e., 10 Pa]
6. Vacuum preservation leakage rate: 0.01 Pa/L per second.
7. Vacuum Tube: Stainless steel vacuum corrugated tube used.
8. Vacuum Sensor: Utilizing KF16 vacuum resistance gauge tube.
9. Vacuum Setting Method: The vacuum level can be freely set according to need, such as a vacuum level of (100Pa) for gauge setting (1.0 E 2), a vacuum level of (10Pa) for gauge setting (1.0 E 1), and so on. It employs upper and lower limit control for vacuum extraction and stopping.
10. Vacuum Control Valve: Equipped with KF40 fitting, high vacuum differential pressure valve with filling pressure.
11. Vacuum Pump Configuration: Double-stage direct-connected oil pump used.
12. Vacuum Degree Display: Utilizes a resistive vacuum gauge to display the vacuum value, with the display format in scientific notation.
V. Nitrogen Filling Equipment for High-Temperature Test Chambers
1. Pressure Regulator: Controls nitrogen pressure, typically adjusting to 2-3 kilograms under normal operation.
2. Flowmeter: Controls the amount of nitrogen entering the box, range of 10L/min to 60L/min.
3. Nitrogen Filling Pipeline: The nitrogen pipeline enters the box from the back, equipped with a 2-meter long 8mm air tube.
4. Nitrogen inflation port: One nitrogen port fills the box.
5. Nitrogen Source: The using company shall provide the nitrogen source.
Six, High-Temperature Test Chamber Power Supply Rating:
Voltage: AC 380V/50Hz, 3-phase 5-wire system
2. Current: 14A
3. Power: 9.5 kW
Section 7: High-Temperature Test Chamber Protection System
Over-temperature Protection System: Automatically stops heating and power supply when the temperature exceeds the set over-temperature protection limit, thereby protecting the product and machine from safety risks.
2. Circuit Protection Systems: Grounding protection, quick-disconnect insurance, phase failure protection, overload protection, circuit breakers, etc.































