SR-R1 Reflectance Standard | PTFE Spectralon >99% | NWSPEC

Overview

The SR-R1 is a high-reflectance PTFE/Spectralon diffuse reflectance standard for calibrating reflectance measurements across 250–2500 nm. Provides a stable, near-Lambertian reference surface for accurate spectral reflectance calibration.

Key Features

• Ultra-high reflectance: >99% (250–2500 nm)
• PTFE / Spectralon material
• Near-Lambertian diffuse reflector
• Stable and durable surface
• Compatible with all NWSPEC SR-series spectrometers

Applications

• Reflectance measurement calibration
• White reference for diffuse reflection accessories
• Integrating sphere calibration
• Color measurement reference
• Material surface analysis

Specifications