Product profile
Open G11 product profile Optical power meter
GUANGYAN G11 Optical Power Meter
Nine published wavelength settings, suitable jobs, evidence gaps, overseas comparisons, and the documents to request before ordering.
Product directory
Profiles separated by evidence, not marketing confidence.
A public-source profile maps published supplier statements and missing proof. It is not a hands-on review. Independent measurement and on-site observation labels appear only after those stages are complete.
Buyer decision guide
Open decision guide Optical power meter + VFL + RJ45 cable tester
GUANGYAN Y9 vs Jonard FPM-50S
Workflow fit, official specifications, configuration conflicts, and an evidence checklist for buyers.
Buyer decision guide
Open decision guide Optical power meter vs all-in-one fiber tester
GUANGYAN G11 vs GUANGYAN Y9
Choose a dedicated optical power meter or an optical power meter, VFL and RJ45 cable tester by the work required.
Buyer decision guide
Open decision guide Fiber fusion splicers
GUANGYAN K5 & GUANGYAN K6 Fiber Fusion Splicers
Choose a first sample by published workflow, controls, service questions and acceptance checks.
Buyer comparison
Open B3A-30 comparison Visual fault locator
GUANGYAN B3A-30 Visual Fault Locator
Compare the B3A-30, being evaluated for possible supplier access, with Fluke, Jonard and AFL by output, reach, connector access, battery and laser-safety evidence.
Established-brand benchmark
Open OTDR comparison Handheld optical time-domain reflectometers
EXFO MAX-720D vs VIAVI SmartOTDR vs Yokogawa AQ1000
Choose by access-network role, wavelength configuration, dynamic range, dead zones, battery, reporting, and maintenance-team workflow.
Reference comparisons
Established-brand specifications
Official-source tables show the procurement baseline without presenting public specifications as hands-on results.
EXFO vs VIAVI vs Fluke
Wavelengths, range, accuracy conditions, storage, runtime, inspection workflow, size and weight.
Open comparisonFujikura vs Sumitomo vs INNO
Alignment, cycle modes, battery, field limits, records, and maintenance-team workflow.
Open comparisonEXFO vs VIAVI vs Yokogawa
Dynamic range, dead zones, runtime, portability, reporting, and field workflow.
Open comparisonCoverage roadmap
Categories and next evidence
The order is driven by buyer requests, available documentation, and access to representative samples.
Optical power meters
Range, wavelengths, linearity, repeatability, connectors, and readability.
Visual fault locators
Stability, practical reach, connector fit, heat, controls, and battery life.
Compare established VFLsOptical multimeters
Combined functions, workflow, interface clarity, logging, and efficiency.
Fusion splicers
Alignment, cycle consistency, heating, portability, and serviceability.
Before sampling or ordering
Turn a product page or quotation into a verification list
The Pre-order Evidence Check maps every important supplier statement to its source, fixes the exact brand, model, configuration and missing documents, and keeps unresolved evidence visible.
See the evidence-check scope