2611B
Source Measurement Unit (SMU)
• Wavelength range: 1250–1650 nm (covers O/E/S/C/L band single-mode fiber optic communications)
• Power measurement range: -70 dBm to +23 dBm (automatic range switching, supports high dynamic range)
• Measurement accuracy: ±0.03 dB (typical value, after NIST-traceable calibration, at 23°C ±5°C environment)
• Resolution: 0.01 dB (high-precision mode) / 0.1 dB (fast mode)