panametrics－ndt 5682超声前置放大器panametrics－ndt 5682超声前置放大器提供超声信号的低噪声30 db放大效果，范围为500 khz到25 mhz。panametrics－ndt 5682超声前置放大器装于结实防溅的外壳中，其机身小巧、重量极轻，是一款适用于远程应用的理想设备。new - model 5682 ultrasonic preamplifier
voltage gain: 30 db @ 10 mhz
highpassrollover: 0.5 mhz +/- 0.1 mhz
lowpassrollover: 31 mhz +/-1 mhz
equivalent input noise: 11.5 µv rms
input impedance: nominally 700 ohms
output impedance: nominally 50 ohms
output voltage: 2.5 v pk-pk
protection: 500 v peak
current consumption: nominally 14 ma
power: 9 v alkaline battery or 9-13 v dc input （toggle switch）
power monitor: three color led for continuous power level indications
• green: 7.0 - 9.0 v
• yellow: 6.5 - 7 v
• red: 5.0 - 6.5 v
• no light: <5.0 v （low charge, replace battery）
batterylife:
>50 hours continuous operation
connectors: lemo® 00 type
dimensions: 2.25 x 4.3 x 1.1,
57.15 mm x 109.22 mm x 27.94 mm
weight:
6.4 oz, 181 gr with battery;
4.8 oz, 136 gr without battery
operating temperature:
32° f to 122° f;
0° c to 50° c
environmental: ip65
panametrics－ndt 5682超声前置放大器图片