The Zhengzhou Whose agent JW3304N Fibre troubleshooting of instrument? Whose product quality assurance? The the sales: Zhujing 18939564786 fiber troubleshooting of instrument JW3304N instead OTDR JW3304N Fibre troubleshooting of instrument, accurate breakpoint test to help your installation, operation and maintenance work in the field of fiber-optic network. Product advantages: the smallest, most portable quickly and accurately detect the breakpoint detection of the full line (0 ~ 60km) automatic voltage control, automatically adjust the pulse width suitable for reliable detection performance under a variety of different environments, repetitive one-button operation, without complex set, the test results at a glance integrated visual fault locator system, can facilitate membrane keypad fiber fault location detection blind area, has good dustproof, waterproof, shockproof performance, suitable for field maintenance operations 3 5 alkaline batteries, long working hours, to facilitate the replacement, suitable for long field technical indicators: FC / PC of the instrument the Model JW3304N light source 1550 ± 20nm LD fiber type 9/125um singlemode fiber optic connector type sensor type InGaAs maximum display from the reflection events 60km (≥ 1.0dB ) 12 miles non-reflective events (≥ 2.5dB) reflection event dead zone of 15m automatic pulse width of the pulse width distance accuracy (reflector event) ± (2m 2 * 10 (-4) * 3 1.5V AA alkaline batteries Battery distance) power supply working time ≥ 5,000 measurement temperature operation: -5 to 40 ° C, storage: -10 ~ 60 ℃ Humidity 0 ~ 85% (non-condensing) Weight (g) 450 units of measurement m standard configuration: User Manual, Warranty Card certificate, three 1.5V AA batteries, cleaning swab, the desiccant the Zhengzhou Hanson Radio and Television Communication Equipment Co., Ltd. Tel :0371-53,769,167 QQ: 1,006,519,081 address: Zijin Road, Zhengzhou City, the East Avenue interchange west 300 meters