MIL-STD-810G high concentration Laminar Airflow Sand And Dust Test Chamber

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Sinuo Testing Equipment Co. , Limited

City: guangzhou

Province/State:guangdong

Country/Region:china

Tel:86--13527656435

Contact Person:
Ms.Zoe Zou View Contact Details

MIL-STD-810G high concentration Laminar Airflow Sand And Dust Test Chamber

Brand Name	Sinuo
Model Number	SN441
Certification	Calibration Certificate (Cost Additional)
Place of Origin	China
Minimum Order Quantity	1
Price	Customized
Payment Terms	T/T
Supply Ability	10 sets per month
Delivery Time	30 Days
Packaging Details	Plywood Case
Inner chamber size	1000 × 1000 × 1000 mm (L×W×H)
Outer dimensions	7500 × 2500 × 4500 mm (L×W×H)
Metal mesh aperture	Diameter 50µm
Airflow velocity	5m/s±0.5m/s
Temperature range	RT±10-80℃
Humidity range	<25%RH

Detailed Product Description

MIL-STD-810G high concentration Laminar Airflow Sand And Dust Test Chamber

Product Overview:

This equipment is suitable for testing electrical and electronic products, automotive and motorcycle parts, and seals in dusty environments to prevent sand and dust from entering the seals and housings. It verifies the performance of electrical and electronic products, automotive and motorcycle parts, and seals in dusty environments during use, storage, and transportation. The purpose of the test is to determine the potential harmful effects of airflow-carried particles on electrical products. The test can be used to simulate open dusty air environments induced by natural environmental factors or human disturbances such as vehicle movement.

Design Principle: A conical funnel with a dust collection port at the bottom is designed. A high-pressure turbine circulating fan is installed at the dust extraction port (on the right side) to draw up the dust and send it to the bottom of the inner chamber, through the bottom to the left side of the chamber, and then into the pretreatment chamber. Dust is blown into the test chamber from the left, and the dust is blown horizontally to the right, thus starting a continuous cycle.

Applicable Standards:

Conforms to MIL-STD-810G, IEC 60068-2-68 etc.

Technical Specifications:

Chamber inside dimensions	1000×1000×1000 mm(W×H×D)
Approx. Outer dimensions	Approximately 7500×2500×4500 mm (W×H×D) (actual dimensions may vary) including air duct
Temperature range	RT±10-80℃ (adjustable)
Humidity range	<25%RH
Fine dust	≤75um
Coarse dust	≤150um
Concentration	2±0.5g/m3
Airflow velocity	5m/s±0.5m/s;
Talc dosage	2-5kg/ m³(This equipment requires 25 kg)
Standards	GB2423.37-2006 Test Lc1 / IEC 60068-2-68
Power supply	380V±10%V (three-phase five-wire, with a separate 80A circuit breaker; the circuit breaker must have terminals; power cord must be at least 10 square millimeters).
Pollution, electromagnetic radiation	Meets relevant standards and requirements

Chamber Structure Features:

Structural method (Integrated controller and test chamber)	1. The bottom of the chamber is funnel-shaped, with a bottom dust-recovery motor assisting in the dust collection process. 2. The test chamber is approximately cubic, with its side length in the airflow cross-section being at least three times the maximum value of the vertical or horizontal side length of the sample cross-section perpendicular to the airflow direction. The test chamber has a heating function. 3. The test chamber includes a pretreatment chamber, and both chambers have the same airflow cross-section. An air guide vane is installed behind the inlet of the airflow channel leading to the pretreatment chamber. A horizontal laminar airflow is generated through the overall arrangement. A blower device for generating airflow is located at the rear of the test chamber. Air is drawn from the test chamber and sent into the pretreatment chamber through the airflow channel. The dust removal device is external and connected via ductwork.
Exterior wall material	High-quality SUS304 stainless steel
Inner chamber material	SUS304 stainless steel
Observation window	The chamber door has a large observation window.
Air duct	The unique air duct design ensures that the chamber generates a high concentration of laminar airflow.
Basic structure	It consists of a pretreatment chamber, a test chamber, a dust suction port, a dust collection box, a circulating dust blowing device, a vacuum system, a dust storage tank, a flow valve, a heating system, a backflow vane, a sample turntable, a protective mesh, a concentration meter dust return pipe, etc.
Observation window	The door is equipped with an observation window, a resistance film heating anti-frost observation window.
Lighting	The chamber is equipped with high-intensity LED lighting at the top, which projects light into the chamber through a light-transmitting window at the top; it is controlled by an independent switch.

Control System:

Touchscreen	PLC and Touch Screen Intelligent Control System (Self-developed by SINUO)
Concentration meter	Analog control signals are transmitted to the PLC module for precise control.
Heating system	316 Stainless Steel Heating Wire
Vacuum system	Pressure regulator valve, nozzle, pressure regulator kit, connecting pipe, vacuum pump
Controller	A programmable logic controller (PLC) is used (this controller has a variety of arbitrarily set control functions as described below). Dust blowing time (stop, blow) h/m/s adjustable Cycle period: arbitrarily adjustable Preset test time: 0s～999h99m99s arbitrarily adjustable Power on: Off-On-Off
Metal mesh size	Nominal wire diameter 50µm, nominal wire spacing 75µm or less than 150µm
Fan	All-plastic centrifugal fan

Safety Protection Functions:

Reliable grounding protection device;
Leakage/open circuit protection;
Heater short circuit protection;
Blower motor overload protection;
Independent over-temperature and audible/visual alarm for the working chamber;
Undervoltage, overvoltage, and phase loss protection;

Equipment Usage Conditions:

Voltage: AC 380V±10%, 50 Hz, three-phase four-wire + grounding wire
Ambient Temperature: 5～35℃
Ambient Humidity: < 85% RH (25℃)
Atmospheric Pressure: 86～106kPa
Site Requirements: The equipment should be placed horizontally in a well-ventilated test chamber, with sufficient space around it for operation and maintenance.

Environmental Conditions: The equipment site should be free from strong vibrations, strong electromagnetic interference, high concentrations of dust and corrosive substances, direct sunlight, or direct radiation from other heat sources.

Test System Display:

Product Tags: MIL-STD-810G dust test chamber laminar airflow environmental chamber sand and dust test equipment

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