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Military Environmental ESS Test Temperature Cycling Chamber 10 ºC /Min

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Military Environmental ESS Test Temperature Cycling Chamber 10 ºC /Min

Military Environmental ESS Test Temperature Cycling Chamber 10 ºC /Min
Military Environmental ESS Test Temperature Cycling Chamber 10 ºC /Min Military Environmental ESS Test Temperature Cycling Chamber 10 ºC /Min Military Environmental ESS Test Temperature Cycling Chamber 10 ºC /Min Military Environmental ESS Test Temperature Cycling Chamber 10 ºC /Min

Large Image :  Military Environmental ESS Test Temperature Cycling Chamber 10 ºC /Min

Product Details:

Place of Origin: China
Brand Name: KOMEG
Certification: CE, , ISO
Model Number: ESS-1000LL10

Payment & Shipping Terms:

Minimum Order Quantity: 1SET
Price: negotiation
Packaging Details: Strong Plywood Case
Delivery Time: 50 days upon your deposit
Payment Terms: T/T, negotiable
Supply Ability: 1, 000 SETS / YEAR
Detailed Product Description
Product Name: Repid Temp Change Chamber Application: Reliability Testing, Research & Development Testing, Failure Analysis
Working Chamber Volume (L): 1000L Power Source: AC380V
Cooling Mode: Water Cooled Temp. Rate Of Change ºC /Min: 10 ºC /Min
High Light:

Thermal Cycle Chamber

,

environmental test chambers

Military Quality Standard ESS Test 10 ºC /Min Rapid-Rate Thermal Cycling Chamber

 

 

1. Advantages of Temperature Cycling:

 

 

Many independent studies have been conducted analyzing the effectiveness of various types of ESS processes. Conclusive data has been compiled by many manufacturers of electronic assemblies supporting today's thinking that temperature cycling is the most effective type of screening process.
 

 

While it has been demonstrated that both temperature cycling and random vibration together is the most effective screen in terms of identifying latent defects, if a single screen is to be used, temperature cycling is considered to be the single most effective screen in identifying latent defects. According to the ESSEH guidelines, temperature cycling regularly detected an average of two-thirds more latent product defects than with random vibration alone, which is ranked second most effective in identifying defects.
 

 

Stress uniformity is without question the most important aspect of the screening process. Temperature cycling provides the additional advantage of a uniform stress environment when air flow across the product is tightly controlled. All areas of the product must be subjected to an equal amount of stress throughout the screen profile. Some other methods of screening do not offer this uniformity across the product
 

 

 

 

2. Design for the environment
 

 

The environment to which a product is subjected must be considered early in the design stage - not as an after-thought when you know you have a problem. The following points should be clearly defined early in the design stage: Safety, Operating Environment, Mode of Transport (land, sea, and air), and geographic considerations.

 

For an effective screen, you should set temperature extremes as far apart as possible. Keep in mind the temperature limitations of the components on the board. The minimum range between hot and cold should be 100°C.

 

The rate of change of air temperature impinging on the part is 5°C to 20°C/minute, with the emphasis again on uniformity across all products in the chamber.

 

Uniformity will be controlled by air velocity across the product, with a recommended minimum of 750 FPM
 

 

 

 

3. Technical Parameter

 

Model

ESS-LL

1000SL10

Working Chamber Volume(L)

1000L

Temp Rate of Change(  ºC /Min)

10 ºC /Min

Temperature Range

 -70 ºC~+100 ºC( Rapid Temp Change -40 ºC~+85 ºC Full Linear Control)

Humidity Constancy

±0.5 ºC

Temp Constancy

±3.0 ºC

Exterior Material

Cold-rolled steel sheet (Rust proof & Plastic Spray treated )/ Stainless Steel

Interior Material

Stainless Steel Plate(SUS 304)

Insulation Material

Rigid Polyurethane Foam

Safety Devices

over pressure,over heat and over current protection for compressor, over temp. protection,

Compressor

Semi-Hermetic Compressor

Cooling Mode

Water Cooled

Control system

Balanced Temperature & Humidity Control System(BTC type)

Heater

Iron-chrome wire heater

Blower

Centrifugal Blower

Observation Window

Glass incorporating heat generator

Temp Sensor

Pt-100

Controller

Touch screen programmable controller

Ambient Temp.

+5ºC~+35ºC

Power

AC 380V/50Hz 3phase 5 wires+ Ground wire

Note: 1. We reserve the right to change specifications without prior notice 2. Customized sizes and configurations available

 

 

 

 

4. Equipment

 

 

It has been established that temperature cycling is an effective tool for improvement of the quality of manufactured products and associated reductions in field failures and their related cost to the manufacturer in both dollars and customer satisfaction.

 

There are three types of chamber design currently being used for ESS. Design selection is dictated by the temperature transition rate required.

a) Less than 10°C/min Traditional Design

b) 10°C/minute to less than 20°C/minute "Isolated Evaporator"

c) 20°C/minute and up Air-to-Air Thermal Shock

 

Military Environmental ESS Test Temperature Cycling Chamber 10 ºC /Min 0

Military Environmental ESS Test Temperature Cycling Chamber 10 ºC /Min 1

 

Contact Details
KOMEG Technology Ind Co., Limited

Contact Person: Ms Nancy Wong

Tel: +8618666481206

Send your inquiry directly to us (0 / 3000)