+86 183 5026 5271
The Paradigm of Precision: Modern Lightning Protection Manufacturing
Quality in lightning and surge protection is earned on the production line and proven in the lab. PROMOV combines an intelligent automated welding production line, semi-automated test equipment such as the Surge Protection Component Base Test Box, and a CNAS-accredited laboratory running 100% testing — all aligned to IEC 61643-11. This is how we turn 'made' into 'verified'.
Not every step benefits from full automation. Welding and repetitive forming are well suited to robotics and fixtures, while functional verification of sensitive components is better served by semi-automated stations where an operator sets parameters and the instrument does the measurement. PROMOV's plant is built around that balance: automate the repeatable, assist the judgment-critical.
Human-in-the-Loop Integration
By establishing a seamless synergy between high-speed robotics and trained quality assurance technicians, we minimize human error where repeatability is key, yet leverage human adaptability for complex diagnostic evaluations.
100%
Routine Testing Compliance
PROMOV industrial manufacturing processes integrate cutting-edge metal oxide varistors testing, transient voltage suppressors clamping analysis, and gas discharge tubes voltage verification systems for optimal surge protective devices production.
PROMOV's Intelligent Automated Welding
Why Welding Automation Matters for Surge Protection Integrity
Eliminating Manual Welding Variables
Our intelligent automated welding production line performs consistent, traceable welds across SPD assemblies, reducing variation that manual welding introduces. Consistent joints mean more predictable thermal and electrical behavior — exactly what a protective device needs when it is called to clamp a high-energy surge.
Thermal & Electrical Performance
SPD internals carry current paths that must stay low-resistance and thermally stable. Manual welding introduces operator variation; automated welding delivers repeatable joints with documented parameters. Fewer variations mean more predictable behavior when the device clamps a surge — exactly when reliability matters most.
The Surge Protection Component Base Test Box
A Multi-in-One Portable Diagnostic Masterpiece for High-Mix Manufacturing
Multiple Instruments in One
Integrates what would otherwise be separate instruments — insulation resistance tester, milliohm meter, surge component tester, ESD tester, and partial functions of a FLUKE tester — into one portable, all-in-one unit.
Broad Component Coverage
Covers MOV U1mA and leakage-current testing, GDT preset trigger voltage with selectable 100 V/s or 1000 V/s rise rates, TVS diode clamp-voltage testing, and signal-level SPD continuity/miswiring checks.
Offline Portability & Data
Runs up to 16 hours on its built-in polymer lithium battery (60 hours standby) and stores up to 500 records locally. That lets it move to the line, the warehouse, or a field site without tethering to a network.
The Value of Human-in-the-Loop 'Semi-Automation'
Semi-automation is a feature, not a compromise. Operators choose test voltages, enable optional ESD modules, and read results against set limits. This suits the high-mix nature of SPD production, where a fully rigid automated tester would need re-tooling for every variant. The test box adapts by configuration, not by rebuild.
16h
Active Battery Operation
500
Local Data Records Storage
60h
Standby Power Reserve
The Test Box in Numbers
Precision Measurement Ranges and Multi-Core Interface Compatibility
0 - 2000 V
Varistor Voltage Range (±1% + 2 digits)
0 - 200 μA
Leakage Current Measurement
50 - 2000 V
GDT Trigger Voltage Range
3 - 2000 MΩ
Insulation Resistance Coverage
±22 kV
Electrostatic Voltage Range
2 - 25 Core
DB25, DB15, DB9, RJ45, RJ11 Interfaces
Consolidated Benchtop Replacement
By replacing an entire bench of distinct testing units with a single portable, calibrated device, PROMOV streamlines manufacturing floor space while preserving absolute metrological traceability.
Our testing parameters ensure compliance with international low-voltage surge protective devices manufacturing metrics, verifying thermal stability, clamping efficiency, and dielectric insulation.
Inside the CNAS & ILAC Laboratory
Beyond the line, our 1100-plus square-meter CNAS and ILAC laboratory (ISO/IEC 17025:2017) performs thermal stability, temporary overvoltage (TOV), dielectric strength, mechanical strength, and environmental (IP) testing among others.
Reference standards include IEC 61643-11 and GB/T 2828.1. Results carry international mutual-recognition weight, which is valuable for customers exporting to multiple regions.
This accredited facility guarantees that every batch of raw materials and finished products complies with the strict parameters required for reliable industrial application, giving our partners total peace of mind.
100% Three-Stage Inspection
- Routine Testing: 100% inspection at the final stage, testing U1mA value, status-indicator operation, insulation resistance, dielectric strength, and thermal stability.
- Sampling Testing: Conducted strictly in accordance with GB/T 2828.1 to monitor batch consistency and process stability.
- Acceptance & Verification: Regular verification testing at defined frequencies to ensure continuous alignment with performance requirements.
Standards Compliance & The Closed Quality Loop
How Testing Data Drives Continuous Process Improvement
Data Integration with PLM & SPC
Every test references real standards: IEC 61643-11 for low-voltage SPD performance and GB/T 2828.1 for sampling. The loop closes when lab and line data feed back into Statistical Process Control (SPC) and our Product Lifecycle Management (PLM) change control.
This integration ensures that a test finding becomes an active process improvement rather than a one-off fix, constantly raising the baseline of our manufacturing quality.
Operator Training & Repeatability
Semi-automated stations reduce dependence on individual operator skill for measurement, but they rely on trained operators for setup and judgment.
PROMOV trains and qualifies test operators, and the PLM system stores approved test parameters so every station runs the same method — ensuring absolute consistency across shifts and sites.
What This Means for Buyers
When you source from a plant that automates the repeatable, assists the judgment-critical, and proves everything in a CNAS lab, you reduce both defect risk and qualification effort. The testing is not a final gate alone; it is woven through production.
Zero
Defect Target Philosophy
100%
Traceable Test Records
Global procurement teams benefit from PROMOV's ISO/IEC 17025 accredited laboratory, ensuring compliance with international surge protection standards, low-voltage installation safety, and component reliability benchmarks.
Frequently Asked Questions
Everything You Need to Know About Our Testing Processes and Capabilities
How much of the production is actually tested?
We implement a 100% routine testing protocol at the final stage for all finished products. This is supplemented by statistical sampling testing per GB/T 2828.1 and periodic acceptance testing. Many components are also tested on-line during the assembly phase using our multi-functional testing systems.
Does one diagnostic device cover MOV, GDT, and TVS?
Yes. The Surge Protection Component Base Test Box is rated to test Metal Oxide Varistors (MOV), Gas Discharge Tubes (GDT), Transient Voltage Suppressors (TVS), signal-level SPD continuity, electrostatic discharge (ESD - optional), and insulation resistance in a single, consolidated portable unit.
Which international standards back your testing procedures?
All performance tests are conducted in strict compliance with the IEC 61643-11 international standard for low-voltage surge protective devices. Sampling procedures align with GB/T 2828.1. Our testing processes and laboratory operations are fully accredited under ISO/IEC 17025 by CNAS and ILAC.