Jingfei FLA1200 Intelligent Multifunctional Photometer

Overview

The Jingfei FLA1200 Intelligent Multifunctional Photometer is a precision optical measurement instrument engineered for quantitative photometric and radiometric characterization of light sources and illuminated surfaces. Based on the fundamental principles of spectral responsivity-weighted detection—specifically calibrated to the CIE standard photopic luminosity function V(λ)—the FLA1200 delivers traceable, repeatable measurements across six core photometric quantities: luminous flux, illuminance, luminous intensity, luminance, radiant flux, and photocurrent. Its modular architecture separates the optical sensor head from the main processing unit, enabling flexible integration with interchangeable accessories—including standardized 2π and 4π integrating spheres, collimators, diffusers, and calibrated reference lamps—to support diverse measurement geometries and source types (LEDs, OLEDs, HID lamps, laser diodes, displays, and architectural lighting systems). Designed for laboratory-grade metrology, the instrument complies with key international standards including CIE S 025/E:2015, ISO/CIE 19476:2014, and GB/T 39802–2021, ensuring data integrity in R&D, quality control, and regulatory validation workflows.

Key Features

• Class I photometric accuracy (±0.5%) validated against NIM-traceable standard lamps, meeting requirements for ISO/IEC 17025-accredited laboratories.
• V(λ) spectral response correction certified to standard grade (≤3% f₁′ error), with cosine-corrected input optics achieving ≤3% angular deviation up to 75° incidence.
• Ultra-wide dynamic range: 12-decade photocurrent measurement (5.0 pA to 2.5 mA) with auto-ranging and real-time auto-zeroing to minimize drift-induced uncertainty.
• Integrated RS-232 serial interface compliant with EIA-232-D specifications, supporting bidirectional communication for remote instrument control, data logging, and synchronization with external trigger signals.
• High-stability analog front-end with low-noise transimpedance amplification and 24-bit sigma-delta ADC, ensuring resolution down to 0.0001 units across all measurement modes.
• Self-calibration routine with internal reference diode and stored calibration coefficients per probe configuration, reducing dependency on external recalibration cycles.

Sample Compatibility & Compliance

The FLA1200 accommodates a broad spectrum of light-emitting and light-reflecting samples through configurable optical paths. When paired with a 100 mm or 300 mm integrating sphere (sold separately), it supports total luminous flux measurement of directional and Lambertian sources per CIE Publication 84. With a calibrated lens system and aperture stop, it meets IES LM-79 requirements for spatially resolved luminous intensity distribution (LID) mapping. For surface reflectance and display luminance testing, the instrument accepts flat-field probes with uniform field-of-view masks aligned to CIE 116-1995 geometry. All measurement protocols adhere to GLP-compliant documentation practices; audit trails—including operator ID, timestamp, calibration status, and environmental metadata (ambient temperature/humidity)—are embedded in exported CSV and XML data files. The system supports FDA 21 CFR Part 11-compliant electronic signatures when deployed with validated third-party LIMS or ELN platforms.

Software & Data Management

The FLA1200 operates with Jingfei’s PC-based Photometry Control Suite (v3.2+), a Windows-native application providing full instrument configuration, real-time waveform visualization, statistical analysis (mean, SD, CV%, max/min), and batch report generation. Raw measurement data are stored in IEEE-compliant binary format (.jfd) with embedded calibration fingerprints, ensuring long-term traceability. Export options include ANSI-standard .csv, ISO 12234-2-compliant .tiff metadata tags, and XML schemas aligned with ASTM E2721-20 for photometric interchange. The software implements role-based access control, change history logging, and digital signature enforcement for critical calibration events—facilitating compliance with ISO 17025 Clause 7.7 and EU Annex 11 requirements for computerized systems in regulated environments.

Applications

• LED module and driver validation under constant current/voltage conditions per IEC 62612 and ENERGY STAR SSL Program Requirements.
• Luminous efficacy and chromaticity stability testing of automotive lighting systems during thermal soak and power cycling.
• Display brightness uniformity assessment for TFT-LCD, microLED, and OLED panels using spot-luminance mode with 1° field-of-view adapters.
• Radiometric safety evaluation of UV-C germicidal lamps (200–280 nm) with optional broadband filter sets, referenced to ICNIRP exposure limits.
• Photobiological safety classification (IEC 62471) via spectral irradiance integration over weighted action curves (e.g., actinic UV, blue-light hazard).
• Calibration transfer between primary standards labs and secondary calibration facilities using intercomparisons with NIST-traceable transfer standards.

FAQ

What calibration standards does the FLA1200 support?
It accepts NIST, PTB, NPL, and NIM-traceable tungsten-halogen and LED reference lamps, with user-loadable calibration matrices conforming to CIE 127:2007 Annex B.
Can the FLA1200 measure pulsed or modulated light sources?
Yes—its 10 kHz sampling bandwidth and trigger-synchronized acquisition mode enable accurate peak, RMS, and duty-cycle-resolved photometry for PWM-driven LEDs and strobed displays.
Is the instrument suitable for Class I photometric laboratories?
Affirmative. Its Class I accuracy rating, documented uncertainty budget (<0.8% k=2), and compliance with ISO/IEC 17025 Clause 6.4 make it appropriate for accredited calibration services.
Does the system provide uncertainty estimation per measurement?
Yes—real-time expanded uncertainty (k=2) is calculated and displayed based on combined Type A (statistical) and Type B (calibration, linearity, cosine, spectral mismatch) components per GUM (JCGM 100:2008).
How is firmware updated and validated?
Firmware updates are delivered via signed .hex packages; each release includes SHA-256 checksums, version-controlled release notes, and regression test reports covering all measurement functions.