2440
Digital Power Meter
•Wavelength Range: 1250–1650 nm (covers O/E/S/C/L bands for single-mode fiber communication)
•Power Measurement Range: -70 dBm to +23 dBm (auto-ranging, supports pulsed light measurement)
•Measurement Accuracy: ±0.03 dB (typical, post-NIST calibration at 23°C±5°C)
•Resolution: 0.01 dB (high-precision mode), 0.1 dB (standard mode)
•Detector Type: InGaAs photodiode (thermoelectric cooling, drift <±0.005 dB/°C)