On-line attenuator_Shanghai BAOSH Communications Equipment Co., Ltd

On-line attenuator

Item	Unit	Parameter
Types		Standard type	Wavelength flattening	Broadband type
Central wavelength	nm	1310 or 1550	1310 or 1550	1310 and 1550
Bandwidth	nm	+20	+40	+40
Maximum polarization sensitivity	dB	0.15	0.20	0.4
Attenuation value	dB	1~30
Attenuation accuracy		greater than 3dB attenuation: ±5%; less than 3dB attenuation: ±0.15dB
Minimum Echo Loss	dB	50
Maximum temperature coefficient	dB/°C	0.002
Working temperature	°C	-40 ~ +85
Storage temperature	°C	-40 ~ +85
Shape size	mm	C: f3.0´54 (250mm bare optical fiber) F: f3.5´72 M: 100´19´9 O: 100´80´9 L: 120´80´18

High temperature test	85±2ºC，5000 hours
Hygrothermal test	75±2ºC/90±5%RH，5000 hours
Cryogenic test	-40±5ºC，5000 hours
Immersion test	43±2ºC/PH5.5±0.5，168 hours
Temperature Cycle Test	-40±2ºC to 85±2ºC，500 cycles
Vibration test	10Hz to 2000Hz，vibration amplitude 1.52 mm, 3 directions, 4 hours/direction
Impact test	1.8m high, 3 directions, 8 times/direction