Spectro-UV AccuMAX™ XRP-3000A UV Radiometer / Photometer
| Brand | Spectro-UV |
|---|---|
| Origin | USA |
| Model | AccuMAX™ XRP-3000A |
| UV-A Irradiance Range | 0–100 mW/cm² |
| Visible Light Illuminance Range | 0–5,300 lux (0–500 fc) |
| Power Source | Two 9V alkaline batteries |
| Overall Accuracy | < ±5% (NIST-traceable calibration) |
| Compliance | ASTM E3022, ASTM E2297 |
| Application Fields | Aerospace NDT, Laboratory Testing, Forensic Inspection, Industrial Quality Control |
Overview
The Spectro-UV AccuMAX™ XRP-3000A is a precision-engineered UV radiometer and photometer designed for quantitative measurement of ultraviolet (UV-A) irradiance and visible-light illuminance in mission-critical inspection environments. Operating on the fundamental principle of calibrated spectral responsivity, the instrument integrates dual-channel silicon photodiode sensors optimized for 365 nm UV-A emission (FWHM ≤ 15 nm) and 555 nm photopic response, respectively. Its optical architecture complies with the spectral bandwidth, irradiance uniformity, and visible-light suppression requirements defined in ASTM E3022–18 and ISO 3059:2012 for fluorescent penetrant and magnetic particle inspection (FPI/MPI) systems. The device delivers traceable radiometric performance without requiring real-time spectral analysis—enabling rapid, repeatable field verification of UV-A lamp output at standardized working distances (e.g., 38 cm), while simultaneously monitoring ambient visible illumination to ensure compliance with ≤20 lux limits per aerospace and NDT regulatory frameworks.
Key Features
- NIST-traceable calibration certificate included with each unit, ensuring metrological continuity to national standards
- Dual-sensor configuration: UV-A channel (360–370 nm, peak 365 nm) and photopic visible channel (555 nm, CIE 1931 luminosity function)
- High-stability analog front-end with temperature-compensated signal conditioning to minimize drift across 0–40 °C operating range
- Backlit LCD display with multilingual UI (English, Spanish, French, German, Chinese) supporting both metric and imperial units
- Ruggedized aluminum housing rated IP54 for dust and splash resistance, suitable for hangar, lab, and field deployment
- No internal firmware updates required; calibration parameters are hard-coded in non-volatile memory to preserve long-term accuracy integrity
Sample Compatibility & Compliance
The XRP-3000A is validated for use with all UV-A sources compliant with ASTM E3022–18, including high-intensity xenon-arc, mercury-vapor, and LED-based inspection lamps. It meets the spectral purity, irradiance uniformity (>5-inch diameter at ≥1,000 µW/cm²), and visible-light leakage (<20 lux at operational distance) requirements specified in RRES 90061:2014, AITM6-1001 Issue 15, and EN 1369:2012. The instrument itself is not a light source but a reference-grade measurement tool intended for periodic verification of UV-A lamp output stability, alignment, and spectral fidelity—supporting GLP/GMP audit trails through documented calibration history and operator-logged measurement records.
Software & Data Management
While the XRP-3000A operates as a standalone handheld meter with no embedded Bluetooth or USB interface, it supports full traceability under FDA 21 CFR Part 11 and ISO/IEC 17025 workflows via external documentation protocols. Each unit ships with a unique serial-numbered calibration report listing date, NIST reference standard ID, uncertainty budget (k=2), and measured deviation across five irradiance points (10–100 mW/cm²). Users may integrate readings into LIMS or QMS platforms by manual entry or via optional Spectro-UV LogBook™ companion software (sold separately), which enables CSV export, trend charting, and automated pass/fail flagging against user-defined ASTM E2297 thresholds.
Applications
- Aerospace NDT: Verification of UV-A lamp output prior to fluorescent penetrant inspection of turbine blades, wing spars, and composite structures
- Automotive manufacturing: Routine validation of UV-curing station irradiance profiles for adhesive bonding and coating processes
- Forensic laboratories: Quantitative assessment of alternate light source (ALS) output during fingerprint or bodily fluid detection protocols
- Regulatory compliance auditing: On-site verification of UV lamp performance in accordance with FAA AC 43.13-1B, EASA AMC 20-27, and ASNT SNT-TC-1A Level II/III procedures
- Research & development: Characterization of UV LED arrays, filter transmission efficiency, and optical diffuser homogeneity
FAQ
Is the XRP-3000A suitable for UV-C or UV-B measurements?
No. This model is specifically configured for UV-A (360–370 nm) and photopic visible light. For UV-B (280–320 nm) or UV-C (230–280 nm), refer to the XS-300 or XS-254 series.
Does the instrument require annual recalibration?
Yes. Spectro-UV recommends recalibration every 12 months or after 200 hours of active use, whichever occurs first, to maintain NIST-traceable accuracy within ±5%.
Can the battery compartment be sealed against moisture ingress?
The battery door features an elastomeric gasket meeting IP54 ingress protection; however, prolonged exposure to condensation or direct spray is not advised.
How is measurement uncertainty determined for this device?
Uncertainty is calculated per GUM (JCGM 100:2008) incorporating contributions from sensor responsivity variation, amplifier gain drift, reference standard uncertainty, and environmental temperature effects—reported at k=2 (95% confidence level).
Is the XRP-3000A compatible with third-party data acquisition systems?
It does not feature analog voltage output or digital communication ports. Integration requires manual transcription or use of the optional LogBook™ software with USB-connected spectroradiometer accessories.
