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Stable Lead Time ESS Thermal Cycling Chamber for PV Module Tesing​

KOMEG Technology Ind Co., Limited
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KOMEG Technology Ind Co., Limited
City: Dongguan
Province/State: Guangdong
Country/Region: China
Tel: +86-769-23321820
Contact Person:
Mr Louis Long

Stable Lead Time ESS Thermal Cycling Chamber for PV Module Tesing​

Brand Name : KOMEG
Model Number : ESS-225SL15
Certification : CE, , ISO
Place of Origin : China
Price : negotiation
Payment Terms : T/T, negotiable
Supply Ability : 1, 000 SETS / YEAR
Delivery Time : 50 days upon your deposit
Packaging Details : Strong Plywood Case
Product Name : Repid Temp Change chamber
Application : reliability testing, research & development testing, failure analysis
Working Chamber Volume (L) : 225L
Power Source : AC380V
Cooling Mode : Water Cooled
Temp. Rate of Change ºC /Min : 15 ºC /Min
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Stable Lead Time ESS Thermal Cycling Chamber for PV Module Tesing​

1. ESS Solar Panel Test Chamber Overviews:

Temperature adaptability test under the condition of rapid change, or gradient for electrical, electronic, instruments and other products or spare parts, particularly applies to environmental stress screening test (ESS)

Environmental stress screening (ESS) refers to the process of exposing a newly manufactured or repaired product or component (typically electronic) to stresses such as thermal cycling and vibration in order to force latent defects to manifest themselves by permanent or catastrophic failure during the screening process. The surviving population, upon completion of screening, can be assumed to have a higher reliability than a similar unscreened population.

ESS can be performed as part of the manufacturing process or it can be used in new product qualification testing.

ESS Testing Purpose

Testing at the physical environmental conditions (shock, vibration, temperature, altitude, humidity, etc.) that simulate those encountered over the operational life of the component. Random vibration and temperature cycling have proven to be the most successful forms of ESS in terms of effective flaw precipitation.

2. Thermal Cycling Chambers' Features:

Standard Water cooled systems
Copper tubing cooling coils with aluminum fins;
Solder-in-place components minimize leakage;
High temperature silphosed or silver soldered joints
Stainless steel drip pans in both compressor and cascade compartments contain condensate;
HFC refrigerants;

Electrical Features
Nichrome wire heating elements;
Fail safe fusible link high heat limit protection;
Door interlocks to prevent test interruption;

Lockable enclosed cabinet
Cable access ports
Fast Product Change Rates
Vertical or horizontal airflow configuration and
Ethernet Interface

3. ESS Test Chambers Specifications

Working Chamber Volume(L)225L
Temp Rate of Change( ºC /Min)5 ºC /Min
Temperature Range-70 ºC~+100 ºC( Rapid Temp Change -55 ºC~+85 ºC Full Linear Control)
Humidity Constancy±0.5 ºC
Temp Constancy±3.0 ºC
Exterior MaterialCold-rolled steel sheet (Rust proof & Plastic Spray treated )/ Stainless Steel
Interior MaterialStainless Steel Plate(SUS 304)
Insulation MaterialRigid Polyurethane Foam
Safety Devicesover pressure,over heat and over current protection for compressor, over temp. protection,
CompressorSemi-Hermetic Compressor
Cooling ModeWater Cooled
Control systemBalanced Temperature & Humidity Control System(BTC type)
HeaterIron-chrome wire heater
BlowerCentrifugal Blower
Observation WindowGlass incorporating heat generator
Temp SensorPt-100
ControllerTouch screen programmable controller
Ambient Temp.+5ºC~+35ºC
PowerAC 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. ESS Test Chambers Application on Solar Panel PV Module Industrial:

Solar Panel Test Conditions is as below:

Thermal Cycle Test Profile

Suggested Test Profile:
Step 1: Ramp from ambient to -40 ℃ (100 ℃/hr max on module, or 39 minutes) (UL ramp is air temp.)

Step 2:Hold -40 ℃ for 10 minutes minimum (±2 ℃)

Step 3: Ramp to 85 ℃ (100 ℃/hr max on module, or 75 minutes) (UL 90 ℃, ramp is air temp.)

Step 4: Hold at 85 ℃ for 10 minutes minimum (±2 ℃) (UL 90℃)

Step 5: Ramp to 23 ℃(100 ℃/hr max on module, or 36 minutes) (UL ramp is air temp.)

Step 6: Go to step 1. Cycle 50 or 200 times.(UL 200 times)

Testing time:
Note: Total time per cycle is not to exceed six hours.
Fastest cycle time is 170 minutes/2.8hours (ramping at 100 ℃/hr)
Slowest cycle time is 360 minutes/6hours (ramping at 44 ℃/hr)

Total test time: Maximum ramp rate: 6 days or 24 hours.

Humidity-Freeze Test Profile

Suggested test profile:
Step 1: Ramp from ambient to 85 ℃/85%(100 ℃/hr max on module, 36 minutes)

Step 2: Hold 85/85 for 20 hours minimum (±2 ℃, ±5%)

Step 3: Turn off humidity control. Ramp to 0 ℃ (100 ℃/hr max on module, 51 minutes)

Step 4: Ramp to -40 ℃ (200 ℃/hr max on module, 12 minutes)

Step 5: Hold -40 for 0.5 hour (±2 ℃, 30 minutes)

Step 6: Ramp to 0 ℃ (200 ℃/hr max on module, 12 minutes)

Step 7: Ramp to 23 ℃(100 ℃/hr max on module, 51 minutes)

Step 8: Go to step 2 . End test after ten cycles.

Maximum total time for steps 3 to 7, plus step 1, is four hours.
Minimum time possible is 156 minutes, or 2.6 hours.

Total test time: 9.4 – 10 days

Product Tags:

environmental test chambers


temperature cycling chamber

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