Automatic EL Tester With Dual Slide Rail and PU Belt Conveying
Inline electroluminescence inspection for PV module lines, covering modules from 1634 mm to 2500 mm in length and 986 mm to 1400 mm in width at 0-20 m/min.
Automatic EL Tester, YNTECH automatic EL testing machine for photovoltaic module lines
The YNTECH Automatic EL Tester is a conveyor-based electroluminescence inspection machine built for photovoltaic module production lines. Modules are transferred on a double slide rail frame with a PU belt, and the glass-side surface is covered with green cloth to reduce scratching during inspection. A speed control motor lets operators match conveying speed to line takt across a 0-20 m/min range.
The machine handles module lengths of 1634-2500 mm and widths of 986-1400 mm. It requires a 0.6-0.8 MPa air supply and a 3-phase, 5-wire, 380 V, 50/60 Hz power supply rated at 1 kW. The light-shield housing, camera cover and optical glass form the inspection chamber, while the carbon steel frame carries the conveyor structure.
Key Features
1Double slide rail designModules travel on a dual-rail frame that slides smoothly, supporting stable transfer of long-format panels up to 2500 mm.
2PU belt with green cloth surfaceThe PU belt conveys and translates the module, and the green cloth layer on the belt surface effectively reduces glass scratches.
3Brand speed control motorConveying speed is adjustable from 0 to 20 m/min so the tester can be tuned to the throughput demand of the production line.
4Steel structure frameThe whole equipment uses a steel structure, giving the conveyor high strength and high stability during continuous production.
5Light-shield inspection chamberLight-shield housing, camera cover and optical glass enclose the optical path for consistent EL imaging conditions.
6Pendant jog operation, 24/7 dutyOperators jog each individual mechanism through the operating pendant, and the equipment is available for continuous 24/7 production.
Technical Specifications
Model
Automatic EL Tester
Type
Automatic EL Tester (electroluminescence inspection)
Applicable panel length
1634-2500 mm
Applicable panel width
986-1400 mm
Conveying speed
0-20 m/min, adjustable via speed control motor
Power
1 kW
Voltage
3 phase, 5 wire, 380 V, 50/60 Hz
Air source
0.6-0.8 MPa
Structure material
Carbon steel
Inspection chamber materials
Light-shield housing, camera cover, optical glass
Conveying system
Double slide rail + PU belt with green cloth surface
Operation
Operating pendant for jogging each mechanism; 24/7 availability
Working environment
Indoor, ambient temperature -10 to 40 degrees C, clean and dust-controlled workshop
Models and Options
One model, the Automatic EL Tester, covers the full module range stated above: length 1634-2500 mm and width 986-1400 mm. Within that range, conveying speed remains adjustable from 0 to 20 m/min, so a single machine configuration can be matched to different line takt times rather than being fixed to one speed.
Electrical connection is specified at 3 phase, 5 wire, 380 V, 50/60 Hz with 1 kW installed power, and the machine requires an on-site air supply of 0.6-0.8 MPa. Buyers should confirm their module format and plant utilities against these figures before ordering.
Materials and Structure
The frame and overall equipment body are built in carbon steel, which gives the conveyor high strength and high stability under continuous operation. The conveying section combines a double slide rail with a PU belt; the belt surface carries a green cloth layer that reduces glass scratching as modules pass through the inspection position.
The optical area is enclosed by a light-shield housing with a camera cover and optical glass, creating the dark chamber needed for electroluminescence inspection while keeping the camera path protected. The speed control motor is mounted on the conveyor drive to regulate belt speed.
Applications
The tester is intended for PV module manufacturers, including plants carrying out line upgrades, retrofitting existing lines and manual-to-automatic transformation projects. It sits inside a solar panel production line and is described by the manufacturer as suitable for conventional, TOPCon, HJT and BC module production.
PV module manufacturingProduction line upgradeManual-to-automatic transformationInline EL inspection
Customization
YNTECH provides layout design for automatic production lines, together with equipment manufacturing, factory installation, commissioning, technical training and after-sales maintenance. Because the tester is specified against a module size range and a line takt, plant layout and conveyor interface are reviewed during line design rather than taken from a fixed catalogue drawing.
Customization requests should include module length and width, required conveying speed, available air supply and the electrical configuration at site.
Case Study
Production Line Upgrade Project, India
A solar photovoltaic manufacturer in India installed 8 units of YNTECH EL testing equipment as part of production line upgrade projects. The customer reports improved production efficiency, enhanced PV module quality through continuous production with reduced material loss, and reduced labor costs.
Client typeSolar Photovoltaic Manufacturing
CountryIndia
Quantity8 units
ApplicationProduction line upgrade projects
Duration10 years
HighlightReduce costs and boost profits
FAQ
What module sizes can this automatic EL tester handle?
The machine accepts module lengths from 1634 mm to 2500 mm and widths from 986 mm to 1400 mm. Modules outside this window need to be discussed with the manufacturer before ordering.
What conveying speed is available?
Conveying speed ranges from 0 to 20 m/min. A brand speed control motor allows quick adjustment according to production line demand.
What utilities must the factory provide?
The tester needs a 3 phase, 5 wire, 380 V, 50/60 Hz supply with 1 kW installed power, plus a compressed air source of 0.6-0.8 MPa.
How does the machine protect module glass during transfer?
Modules are carried on a PU belt whose surface is covered with green cloth, which effectively prevents glass scratches. The double slide rail design keeps the transfer smooth.
Can it be added to an existing production line?
Yes. The manufacturer lists line upgrade, retrofitting and manual-to-automatic transformation as target applications, and the India reference covers 8 units supplied for production line upgrade projects.
What workshop conditions are required?
Install indoors in a dry, well-ventilated area free of corrosive gases, with ambient temperature between -10 and 40 degrees C. Keep the operating area clean so debris and dust do not enter the equipment.
How do operators control the machine?
Operators jog each individual mechanism using the operating pendant, and the equipment is available for continuous 24/7 production.
Is the tester suitable for TOPCon, HJT or BC modules?
YNTECH equipment is described as adapting to conventional, TOPCon, HJT and BC solar module production. Final specification should be confirmed against your module format and line layout.
Inquiry Information
Send module size, required conveying speed and plant utility details for a configuration review.
ContactNikita Lee
Emailnikita@ynsolarpv.com / info@ynsolarpv.com
Tel / WhatsApp+86 130-0653-6876
CompanyYN Solar PV Equipment Co., Ltd. (YNTECH)
AddressHuangwu Industrial Park, Dongkeng Town, Dongguan City, Guangdong Province, China
Websitewww.ynsolarpv.com
Image Filename and Alt Suggestions
File: automatic-el-tester-dual-slide-rail-front.png Alt: Automatic EL Tester for PV modules with light-shield housing on a solar module production line
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