1、 Technical parameters

Product Name: Environmental stress screening test chamber

Sample limitations

This experimental equipment prohibits:

Testing and storage of samples of flammable, explosive, and volatile substances

Testing and storage of corrosive substance samples

Testing or storage of biological samples

Testing and storage of radioactive material samples

Testing and storage of Highly toxic substance samples

Testing and storage of samples that may produce highly toxic substances during the testing or storage process

Test box volume and size

Nominal internal volume

Inner box size 1.0 m3

W1000×H1000×D1000m   

Vibration table size

500mm × 500mm (optional air hammer)

Overall dimensions

Approximately 2000mm wide, 2800mm long, and 2700mm high

Inner box material

Stainless steel plate (SUS # 304)

External material

Cold rolled steel plate, acid washed phosphating surface, electrostatic spraying, rust and corrosion prevention

Test hole

Can be used for external testing of power cords and signals (with a diameter of 100), located on the left or right side of the box

Insulation layer

Insulation layer, fire-resistant PU+insulation glass wool (insulation layer thickness 100mm)

Connection between the box and the vibration table

The bottom and vibration table are sealed with flexible silicone tape;

Box door

Double door, using front and rear opening method

Box door anti condensation

Adopting electric heat tracing device to prevent water vapor condensation

Control cabinet

On the right side of the box

Exhaust port

There is an exhaust port at the top of the box, which is connected to the main exhaust pipe by the user to prevent nitrogen from accumulating inside the box and spreading outside, thus preventing accidents

performance

Test environment conditions

Environmental temperature:+ 5℃～+35℃

Relative humidity ≤ 85% RH

Circulating cooling water temperature ≤+30 ℃ (non freezing), circulating cooling water supply pressure is 0.32 MPa~0.45MPa

There are no samples in the test chamber (unless otherwise specified)

test method

GB/T5170.2-2008 Temperature testing equipment

temperature range 

－100～+200℃

Temperature fluctuation

1.0 ℃ (in mechanical cooling mode)

Temperature deviation

≤± 2.0 ℃ (in mechanical cooling mode)

Temperature uniformity

≤ 2 ℃ (in mechanical cooling mode)

Temperature change rate

≧70℃/min

Vibration mode

Random vibration (pneumatic)

frequency range 

10Hz~10kHz, with the main energy concentrated within 8000Hz (such as frequency spectrum analysis of vibration, most of the energy is concentrated below 8000Hz)

Vibration level

Up to 100Grms (empty tabletop)

XYZ vibration quantity is consistent

±50%（80g）

9-point vibration consistency

±50%（80g）

Quantity of air hammers

12 of them

Maximum load

≧180kg

Work noise

Sound level A ≤ 82 dB (A)

(1m in front of the gate, 1.2m above the ground, in free space)

Establishing a soundproof room outside the test chamber can achieve A sound level ≤ 65dB (A)

control mode 

Multi axis control

Vibration table interface

Flexible sealed interface, vibration table and box integrated, no need for blind plates

transport

The main structure of the external dimension test box is an integral external ruler

The user guarantees the following conditions for use

field

The ground is flat, well ventilated, and free of flammable, explosive, corrosive gases and dust

There is no strong electromagnetic radiation source nearby

Ground bearing capacity of the venue: not less than 800kg/m2

Leave appropriate maintenance space around the equipment

environment condition

Temperature:+ 5℃～+35℃

Relative humidity: ≤ 85%RH

Air pressure: 86 kPa to 106 kPa

Water pipe joint

One pair of threaded joints (water-cooled type) are provided on other refrigeration units

Compliant with GB 50050-1995 Design Specification for Industrial Circulating Cooling Water Treatment

Suggest installing an electrostatic water treatment device (for descaling and algae removal) on the waterway

(If using the chilled circulating water of the air conditioning system, please declare in advance)

compressed air

0.7 MPa, flow rate 1m3/min

Equipped with refrigerated dryer, air filter, etc

Regular dust removal, water removal, and freeze-drying of air are sufficient to meet the requirements

Power Supply

AC (380 ± 38) V (50 ± 0.5) Hz three-phase four wire+protective earth wire

The grounding resistance of the protective grounding wire is less than 4 Ω; TN-S power supply or TT power supply

Require users to configure corresponding capacity air or power switches for the equipment at the installation site, and this switch must be independent and dedicated for the use of this equipment

Power capacity 135Kw

Requirements for storage environment

When the equipment is not working, the temperature of the environment should be maintained within 0 to+45 ℃ (without freezing)