General Description: The FHA digital variable optical attenuator is a compact,portable instrument widely used in sm fiber link certification and routine maintenance as well as in lab environment. Features: * On line Attenuation * Fast response time * MEMS-based VOAS technology * Low insertion loss, wide attenuation range * Three attenuation steps available: 10dB, 1.0dB, 0.1dB * Low power consumption * Compact size, Good cushioning Application : * Maintenance Telecom * Maintenance CATV * Fiber Optic Transmission System&Test Lab * Other Fiber Optic Works Specifications Model: FHA2S01 Calibrated Wavelengths 1310nm/1550nm Attenuation Range 0 ~60dB Accuracy below ?.1dB Resolution 0.1dB Insert ion Loss <1.5dB Return Loss >50dB (Typical) Power Supply 8.4v/Ni-Cd battery Battery Life >10 hrs (continuous operation) Fiber Type SMF 9/125μm Connector FC(standard),ST/SC (optional) Operating temp -15℃ to 60℃ Storage temp -30℃ to 65℃ Relative humidity 0 % ~ 95 % non-condensing Dimension 160L*76W*45H Weight 260g