Electronics Engineering Lab in Bangladesh
Testing, Repair & Calibration Solutions
AJFSES operates a specialized clean-ESD electronics engineering laboratory in Ashulia, Dhaka. We deliver component-level industrial PCB repair, VFD inverter restoration, automated semiconductor curve-tracing, thermal hot-spot diagnostics, and precision NIST-traceable calibration.
PCBs Restored
First-Pass Yield
Diagnostic SLA
Traceable Cal
Precision Electronics Diagnostic, Repair & Calibration Services
From industrial power automation boards in textile mills to pharmaceutical laboratory instruments, our engineers employ cutting-edge micro-soldering and instrument-traceable calibration.
Multi-Layer Industrial PCB & BGA Repair
Microscopic trace restoration, pad re-soldering, multilayer circuit reconstruction, and optical BGA alignment reflow for industrial CNC, textile, and packaging machines.
VFD & AC Inverter Drive Overhaul
Power semiconductor module (IGBT) load testing, optocoupler gate-drive sync, and dynamic motor test-bench qualification (Siemens, ABB, Delta, Danfoss, Schneider, Mitsubishi).
Instrument Calibration & Metrology
High-precision calibration for DMMs, oscilloscopes, megohmmeters, process calibrators, and thermal sensors with ISO/IEC 17025 traceable uncertainty certificates.
Semiconductor V/I Curve Analysis
In-circuit analog signature analysis to isolate degraded PN junctions, ESD-damaged gate drivers, and leaking surface-mount capacitors without de-soldering.
Thermal FLIR & Burn-in Testing
Calibrated radiometric thermal inspection under dynamic load to pinpoint micro-short circuit hot spots with temperature differentiation down to 0.03°C.
Firmware Extraction & Logic Cloning
Binary hex dump extraction from corrupted or obsolete EEPROMs, flash chips, and PLCs to restore proprietary programs for unserviceable machinery.
Electronics Engineering Lab – Service Criteria
AJ Electronics Engineering Lab provides professional electronics engineering, diagnostic, testing, troubleshooting, repair, and maintenance services for electronic equipment, circuit boards, control systems, and related electrical and electronic components. Our services are performed according to equipment specifications, technical requirements, applicable safety practices, and customer needs.
Equipment Inspection & Diagnosis
- Initial visual inspection of electronic equipment & circuit boards.
- Identification of faults, damaged components, and abnormal conditions.
- Preliminary diagnostic assessment and service recommendations.
Electronic Circuit Board Repair
- PCB inspection, component-level troubleshooting, and precision repair.
- Testing and replacement of faulty electronic components.
- Repair of power supplies, controllers, and communication interfaces.
Testing & Performance Verification
- Functional testing of electronic equipment and circuit assemblies.
- Voltage, current, continuity, and resistance measurements.
- Verification against manufacturer specifications.
Electrical & Electronic Troubleshooting
- Fault identification in electronic control circuits and power systems.
- Troubleshooting sensors, relays, switches, and control interfaces.
- Investigation of intermittent faults and abnormal equipment behavior.
Preventive Maintenance
- Routine inspection and cleaning of serviceable electronic equipment.
- Identification of potential component failures and deterioration.
- Maintenance recommendations to support equipment reliability.
Calibration & Technical Verification
- Calibration services for eligible instruments and standards.
- Measurement verification and functional accuracy checks.
- Traceable calibration certificates provided where applicable.
Quality Control & Service Reporting
- Comprehensive functional checks after repair or maintenance.
- Documentation of faults, work performed, and replaced parts.
- Service reports provided subject to the agreed scope.
Customer Service & Support
- Professional technical consultation and service guidance.
- Repair estimates and service timelines based on initial assessment.
- Post-service support in accordance with agreed warranty terms.
Service Conditions & Policy
Standard operational guidelines for inspection, estimation, and repair processing
Our Commitment: Reliable Diagnostics • Professional Engineering • Quality Testing • Transparent Service
Diagnostic Cost & Turnaround Estimator
Select device specifications and failure nature to simulate estimated bench diagnostic fees, typical repair range in BDT, and expected turnaround SLA.
* Diagnostic fee is deducted from the final repair invoice upon approval. Full functional burn-in test included.
Dispatch Estimate Directly
Certified Testing & Diagnostic Instrumentation
Click on any instrument card below to view detailed technical specifications, measurement accuracy, and laboratory calibration range.
Tektronix & Keysight
4-Channel 1GHz Digital Phosphor Storage Scopes
View Specs →Fluke 8846A Precision
6.5 Digit Precision DMM with 24ppm Accuracy
View Specs →FLIR Radiometric E86
Thermal Imaging Camera for PCB Hot-spot Isolation
View Specs →Hakko & Weller BGA
Optical Split-Prism Nitrogen Assisted Rework System
View Specs →Laboratory Diagnostic & Calibration Gallery
Real-time snapshots of our clean ESD laboratory workbenches, optical BGA reflow, dynamic VFD motor load testbeds, and calibrated metrology setups.
PCB REWORK
Stereo Micro-Soldering Station
VFD LOAD RIG
45kW VFD Full-Load Bench
CALIBRATION
6.5-Digit Metrology Bench
THERMAL FLIR
Infrared Hot-Spot Scan
BGA REFLOW
Infrared BGA Rework
SIGNAL PROBING
Differential Logic Analysis
Certified Senior Laboratory Engineers
Direct access to specialized technical leads. Consult directly with the designated specialist via Phone or WhatsApp for immediate fault analysis.
IN-CHARGE
Engr. Masud Rana
Senior Lab Engineer & In-Charge
Leads industrial diagnostic evaluations, power automation overhauls, team quality governance, and emergency turnaround scheduling.
METROLOGY
Engr. Ashiqur Rahman
Instrumentation & Calibration Specialist
Expert in ISO/IEC 17025 accredited electrical calibrations, NIST traceability standards, and measurement uncertainty calculations.
PCB & BGA
Engr. Tanvir Ahmed
PCB Diagnostic & Micro-Rework Engineer
Highly skilled in multilayer PCB track repair, BGA reballing under stereo microscopes, firmware extraction, and automated curve tracing.
Standard 6-Stage RMA Inspection Protocol
Every device entering our Ashulia lab undergoes structured traceability, preventing electrostatic damage and ensuring accountable testing.
Check-in & ESD Decontamination
Barcode asset assignment, photo condition documentation, and ultrasonic solvent wash to remove industrial contaminants.
Microscopic & Thermal Scan
V/I signature curve analysis, FLIR thermal mapping under auxiliary current injection, and micro-solder joint inspection.
Component Sourcing & BGA Soldering
Replacement with genuine OEM semiconductors (Mouser / DigiKey / Element14 certified stock) and precision reflow.
Static & Dynamic Rig Testing
Signal integrity verification, PWM waveform duty inspection on oscilloscopes, and simulated transducer feedback.
Burn-in Stress & Calibration
4-hour to 24-hour continuous full-load soak run. Calibration certification with traceable reference standards.
ESD Packaging & Warranty Dispatch
Hermetic anti-static shielding bubble packing, test report printout, and 90-day comprehensive repair warranty.
Frequently Asked Questions
Answers to technical queries regarding turnaround times, calibration certificates, and warranty protocols.
Where is the AJFSES Electronics Engineering Lab located in Bangladesh?
Our central laboratory is based at SRA Center (6th Floor), Pollibidyud Bus Stand, Savar Cant:-1344, Ashulia, Dhaka, strategically located to support factories across Savar EPZ, Ashulia, Gazipur, and Dhaka industrial clusters.
How long does a diagnostic evaluation take for industrial PCBs or VFDs?
Standard bench evaluations are delivered within 24 to 48 hours. For critical factory shutdowns, we activate our 24-hour emergency priority SLA with dedicated senior electronics engineers.
Do you provide calibration certificates for multimeters and test equipment?
Yes, AJFSES issues ISO/IEC 17025-compliant, NIST-traceable calibration certificates that record measured values, reference baselines, environmental conditions, and calculated measurement uncertainties.
What warranty is provided on repaired electronics boards?
Every repaired circuit board and inverter drive undergoes full-load burn-in soak testing and comes backed by a 90-day comprehensive repair warranty.
Submit Equipment for Lab Inspection
Our lab team responds to industrial inquiries promptly. Send your equipment details below for instant logging, courier check-in, or diagnostic appointments.
Central Engineering Laboratory
SRA Center (6th Floor), Pollibidyud Bus Stand, Savar Cant:-1344, Ashulia, Dhaka, Bangladesh.
Direct Laboratory Inbox
Emergency Hotline & WhatsApp
+880 9611 699 282
+880 1958 605 251
Available Saturday - Thursday (8:30 AM - 8:00 PM)