Sand and Dust Test Chamber for Automotive Connectors

The sand and dust test chamber for automotive connectors meets the requirements of protection - class tests for the enclosures of household appliances, low - voltage electrical appliances, automobiles and motorcycle components specified in GB2423, GB4706, GB4208 and DIN. It cannot meet the sand and dust test with an air source in GJB150.

Operating Conditions:

Ambient temperature: 5°C～+28°C (average temperature within 24 hours ≤28°C); Ambient humidity: ≤85%

Technical Parameters:

1. Nominal spacing of the metal mesh is 50μm, and the nominal spacing between wires is 70μm

2. Airflow velocity: ≤2m/s (standard type) or ≥2m/s (specify when placing an order) 3. Continuous or periodic dust - blowing can be freely selected, or time can be set 4. Talcum powder dosage: 2kg - 4kg/㎡ 5. Dust for testing: Dry talcum powder, portland cement, soot, etc. 6. Vibration time: adjustable from 0 to 9999 minutes (M represents minutes) 7. Fan cycle time: 0 to 9999 minutes (M represents minutes) 8. Standard configuration: The sand and dust testing equipment is equipped with 2 specimen racks and 2kg of talcum powder 9. Power requirements: AC380(±10%)V/50HZ, three - phase five - wire

Product Applications:

This equipment is suitable for dust - proof and dust - resistance tests of various automotive components, including vehicle lamps, instruments, electrical dust - proof sleeves, steering systems, door locks, etc., to verify the sealing quality of products.

Structural Features:

1. Material of the chamber outer shell: High - quality carbon steel plate, with phosphating and electrostatic powder spraying on the surface, and hairline treatment for SUS304 stainless - steel strips; 2. Inner liner material: Imported SUS stainless - steel polished plate; 3. Chamber door: Tempered glass door, facilitating the observation of the tested samples inside the test chamber; 4. High - quality fixed PU casters are used at the bottom; 5. There is a dust - replacement device at the bottom of the test chamber;

System Structure:

1. Control system: The sand and dust testing equipment is controlled by a programmable logic PLC controller to manage the time and sequence of the dust - blowing, vibration and vacuum systems 2. Actuating components: "Schneider" AC contactors, switches, buttons; "Fuji" intermediate relays; "Panasonic" dust - proof sockets 3. Dust pre - heating system: Stainless - steel mica heating jacket, with stable and safe heat; it has timer - controlled heating; Vacuum system: Equipped with a pressure gauge, air filter, pressure - regulating triple unit and connecting pipes (the vacuum pump is provided separately, please specify when placing an order) 4. Power socket for test specimens: Dust - proof socket, AC220V 16A 5. Circulating fan: Low - noise motor with a multi - blade centrifugal impeller 6. Protection system: With protection functions against electric leakage, short - circuit, over - temperature, motor overheating, over - current / power - off memory protection for the controller