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| Brand | Photo Research |
|---|---|
| Origin | USA |
| Model Series | PR-805, PR-810, PR-880, PR-810L |
| Detection Principle | Photomultiplier Tube (PMT) with Precision Interference Filter Wheel Architecture |
| Luminance Range (PR-810L) | 1 × 10⁻⁶ to 5.184 × 10⁵ fL |
| Luminance Range (PR-880) | 1 × 10⁻⁴ cd/m² min |
| Luminance Range (PR-810) | 1 × 10⁻⁴ fL min |
| Luminance Range (PR-805) | 9 × 10⁻⁴ fL min |
| Field-of-View Options | 3°, 1°, 0.25°, 0.125° (PR-810 & PR-810L) |
| Dynamic Range | 9 × 10⁶:1 (PR-805/810), 9 × 10⁸:1 (PR-810L) |
| Built-in Rechargeable Battery | >12 h continuous operation |
| Calibration Traceability | NIST-traceable, internal reference source (PR-880) |
| Compliance | MIL-STD-461E (EMI), ANSI PH2.17, CIE S 014/E:2006, ISO/CIE 11664-2:2019 |
| Brand | Radiant Zemax |
|---|---|
| Origin | USA |
| Model | NFMS0400 / FPMS0400 |
| Type | Near-Field Measurement System for Luminaires |
| Compliance | Supports IESNA LM-79, CIE S 025, ISO/CIE 19476 |
| Software Platform | TrueTest™ v7.0+ |
| Detector Options | ProMetric® Y-series (luminance) and I-series (chromaticity) imaging photometers |
| Angular Range | ±90° in azimuth, ±90° in elevation |
| Spatial Resolution | Up to 9M pixels per image |
| Dynamic Range | ≥1,000,000:1 (typical with HDR acquisition) |
| Calibration Traceability | NIST-traceable luminance & chromaticity standards |
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