Calin adheres to a strict code of Production Guidelines with ISO9001 Quality Standards and ISO10012 Testing Standards and Analysis methods for all our energy meters. Our Quality Achievements have raised the bar on industry standards for metering products. Our 23 Step Quality Assurance Process ensures our meters are the safest and most effective products available. Our customers can feel absolutely confident in our commitment to quality.
QC Stepwise Inspections in Manufacturing Process
|
Project Name
|
Materials
|
Inspector
|
Frequency
|
Testing Tools and Testing Method
|
Recording Documents
|
|
Procurement
|
Electronic components, hardware, plastic parts, print sheet, accessory & tool
|
Accounting director
Purchasing director |
Periodical full
check |
Calculator
|
Price list and regulations
|
|
Imported Material Inspection (IQC)
|
Electronic components, hardware, plastic parts, print sheet, accessory & tool
|
IQC
Operator & IQC director |
Sampling / full inspection
|
• Precise electrical bridge.
• Precise power source. • Reference meter. • DC voltage stabilizing power source. • Frequency test meter • Visual inspection |
Raw material inspection notice, IQC test report
|
|
Tinol Print
|
Main PCB
broad, tinol |
Operator
|
Full Check
|
Visual inspection / AOI
|
IPQC report
|
|
Surface Mounting
|
All the
mounting elements |
Operator
|
Full Check
|
Visual inspection / AOI
|
IPQC report
|
|
Surface Mounting Inspection
|
Part of
mounting elements |
Measuring engineer, operator ,
IPQC |
Full Check
|
Visual inspection / AOI
|
IPQC report
|
|
Soldering
|
|
Operator
|
Full Check
|
Visual inspection
|
IPQC report
|
|
Checking, Clearing & Soldering Supplement
|
Tin wire, PCB Cleaning Water, Part of SMT Components
|
Operator,
IPQC |
Full check
operator, random I PQC check |
Visual inspection
|
Daily check report, IPQC report
|
|
Packing
|
Various packing bag
|
Operator
|
Full check
|
Visual inspection
|
Daily check eport, IPQC report
|
|
Soldering
|
Crystal, Optical-coupling, resistor, diode, voltage stabilizing transistor, capacitor etc
|
Operator
|
Full check
|
Visual inspection
|
|
|
PCB Cleaning
|
Cleaning Liquid
|
Operator
|
Full check
|
Visual inspection
|
|
|
Terminals
|
Current transformer
Terminals etc. |
Operator
|
Full check
|
Visual inspection
|
|
|
Terminal Assembling
|
Terminal, handle, base etc.
|
Operator
|
Full check
|
Visual inspection
|
|
|
Soldering
|
PCB, meter base, single wire etc
|
Operator
|
Full check
|
Visual inspection
|
|
|
Power-on Test
|
Screw, meter base, handle
etc |
Operator, IPQC, equipment maintenance staff
|
Full check
operator, random IPQC check |
• Reference meter
• Torsion force instrument • Special test device • Visual inspection |
Production Quality record, Test report |
|
Calibration
|
|
Operator, IPQC, equipment maintenance staff
|
Full check
operator, random IPQC check |
• Computer controlled calibration bench
• Communication Board • Torsion force instrument • Visual inspection |
Test report
|
|
Upper Cover and Meter Body
|
Meter cover, screws etc
|
Operator
|
Full check
|
•Aging bench in the high temperature aging chamber
•Visual inspection |
Aging record and IPQC record
|
|
High Temperature Latent Aging
|
|
Operator
|
Full check
|
•Aging bench in the high temperature aging chamber
•Visual inspection |
Aging record and IPQC record
|
|
Running and Aging Test
|
|
Operator
|
Full check
|
•Aging bench in the high temperature aging chamber
•Visual inspection |
Aging record and IPQC record
|
|
Upper Cover and Meter Body
|
|
Operator
|
Full check
|
•Switch bench
•Visual inspection |
Aging record and IPQC record
|
|
FQC
|
Complete
meter |
FQC
inspector |
Full check
FQC inspector |
• Automatic test bench
•Impulse voltage test bench •AC voltage test bench •Power consumption test bench •Tamper switch checking device. •Current reversal test device •Torsion force instrument •Visual inspection |
FQC daily test report, FQC test record
|
|
Packing
|
Seal,
operation manual, cartons, screw etc. |
Operator
|
Full check
|
Visual inspection
|
Packing records
|
|
OQA
|
Complete
meter before shift into store |
OQA
inspector. |
Spot test
sampling |
• Automatic test bench •Impulse voltage test bench •AC voltage test bench •Power consumption test bench •Tamper switch checking device. •Current reversal test device •Torsion force instrument •Visual inspection |
OQA daily test report, OQA/OQC test record
|
|
OQC Package
|
Meter package before shift
into storage |
OQC
inspector |
Spot test
sampling (according to the standard of AQL=0.49) |
Visual inspection
|
OQC daily test report
|
