Safety Helmet High Temperature Pre-Treatment Chamber
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Web: standard-groups.com
The safety helmet high-temperature pre-treatment chamber is manufactured according to the GB/T2812-2019 standard for safety helmets and is primarily used for the high-temperature pre-treatment of safety helmets. It is widely used in special labor protection equipment supervision and inspection stations, building science research institutes, construction engineering quality testing stations, power departments, and safety helmet manufacturing enterprises.
Application
It is mainly used for the extremely high - temperature pre - treatment of safety helmets.
Standard
GB/T2812-2019:Test methods for safety helmets
Feature
Precise Temperature Control: Utilizing an advanced temperature control system, typically within a range of 50℃±2℃, to ensure the accuracy of test results.
Multi-Station Design: Equipped with a large-sized headform platform and test chamber, allowing for the simultaneous pre-treatment of 1-4 safety helmets, improving testing efficiency.
Intelligent Control: Features PLC touchscreen control or an intelligent control instrument for pre-setting test times and automatic alarm notifications, making operation simple and easy to learn.
Independent Temperature Measurement System: Equipped with a multi-channel temperature measurement system to collect temperature data from both the inside of the test chamber and the inside of the headform, ensuring accurate and uniform temperature control.
High-Efficiency Heating System: Employs a full stainless steel finned heating system, utilizing efficient heat conduction to improve energy efficiency and ensure that the safety helmet, from shell to straps, is subjected to realistic high-temperature testing.
Parameters
| Technical Parameter | Description |
|---|---|
| Test chamber temperature | Range: Room temperature - 200°C; Standard operating temperature: 150±5°C |
| Test time | Range: 0 - 99 minutes, adjustable; Standard: 60±2 minutes |
| Number of test samples | 1 - 4 helmets |
| Head mold temperature | 50°C±2°C |
| Test head mold | Wall thickness > 1.5mm; Size according to No.1 in GB2812; Made of aluminum alloy with a hollow interior |
| Temperature - measuring point of the head mold | Distance from the mid - point of the head mold < 40mm |
| Instrument dimensions | 8707101100mm |
Accessoriess
Equipped with a 5-channel temperature measurement system, which collects data from both the interior of the test chamber and the interiors of the four head forms, with independent data acquisition and output for each unit.
Equipped with 5 independent airflow circulation devices to ensure that the temperature inside the test chamber and the head forms meets the standard requirements.
Equipped with four head forms made of aluminum alloy, conforming to GB2812 standard (Type 1).
Test Procedures
Open the chamber door and place the safety helmet to be tested on the shelf inside the heating chamber. Close the chamber door.
Connect the power supply and turn on the power switch; the power indicator light will illuminate.
The instrument will begin heating, and the temperature controller will display the temperature inside the chamber.
When the temperature reaches the required level, the timer will start. After the set time has elapsed, the operation will end.
The lower row of the display window will show "END," and the buzzer will sound for 30 seconds before all outputs are switched off.
After the test is complete, if no further testing is required, please turn off the power. The operating lights include the "RUN/AT" indicator light, the heating output indicator light, and the over-temperature alarm indicator light. During operation and use, the instrument enters the normal display state 3 seconds after power-on. The PV displays the actual temperature, and the SV displays the set temperature and operating time. To set the temperature and time, press "SET" to enter the temperature setting state, and use the shift and up/down keys to modify the set values.
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