422E55（422E38）美国PCB在线充电转换器库存甩卖

422e55（422e38）美国pcb在线充电转换器库存甩卖

model: 422e55

在线充电转换器，0.5 mv/pc，+/-5v输出，-5%频率0.5 hz
灵敏度：（0.5%）0.5mv/pc
输出电压：5.0v
温度范围：-65至+250°f（-54至+121°c）
外壳材料：不锈钢

 english:si: performancesensitivity (±2.5 %) (chargeconversion)0.5 mv/pc0.5 mv/pc
overrange±8 v±8 v
low frequency response (-5 %)0.5 hz0.5 hz
high frequency response (-5 %)100 khz100 khz[1] non-linearity≤1.0 % fs≤1.0 % fs
environmentaltemperature range (operating)-65 to +250 °f-54 to +121 °c
maximum shock5000 g pk49050 m/s² pk
maximum vibration (5 to 2000 hz)100 g pk981 m/s² pk
electricalexcitation voltage+18 to 28 vdc+18 to 28 vdc
output bias voltage+9 to 13 vdc+9 to 13 vdc
output voltage±5.0 v±5.0 v
constant current excitation2 to 20 ma2 to 20 ma
output impedance100 ohm100 ohm
output polarityinvertedinverted
maximum input voltage+30 v+30 v
broadband electrical noise (1 to 10000hz)33 µv-90 db
spectral noise (1 hz)9.8 µv/√hz-100 db[2] spectral noise (10 hz)3 µv/√hz-110 db[2] spectral noise (100 hz)0.8 µv/√hz-122 db[2] spectral noise (1 khz)0.4 µv/√hz-128 db[2] spectral noise (10 khz)0.2 µv/√hz-134 db[2] capacitance (feedback)2000 pf2000 pf
overload recovery time10 µsec10 µsec
discharge time constant>1 sec>1 sec
resistance (feedback) ohm ohm
source capacitance loading (at input)-0.0005 %/pf-0.0005 %/pf
physicalhousing materialstainless steelstainless steel
sealingepoxyepoxy
electrical connector (input)10-32 coaxial jack10-32 coaxial jack
electrical connector (output)bnc jackbnc jack
size - diameter0.52 in13 mm
size - length3.4 in86 mm
weight1.15 oz32.7 gm

model: 422e38

在线充电转换器，0.1 mv/pc，+/-2.5v输出，-5%频率5 hz，用于高温传感器
灵敏度：（±2%）0.1 mv/pc
输出电压：2.5v
温度范围：-65至+250°f（-54至+121°c）
外壳材料：不锈钢

 english:si: performancesensitivity (±2 %) (charge conversion)0.1 mv/pc0.1 mv/pc
input range±25000 pc±25000 pc
low frequency response (-5 %)5 hz5 hz[2] high frequency response (2.2 ma)4 khz4 khz[1] high frequency response (4 ma)15 khz15 khz[1] high frequency response (20 ma)100 khz100 khz[1] non-linearity≤1.0 % fs≤1.0 % fs
environmentaltemperature range (operating)-65 to +250 °f-54 to +121 °c
temperature response (sensitivitydeviation)<2 %<2 %
maximum shock1000 g pk9810 m/s² pk
humidity range100 %100 %
electricalexcitation voltage+18 to 28 vdc+18 to 28 vdc
output bias voltage+12.00 to 15.00 vdc+12.00 to 15.00 vdc
output voltage (at specified measurementrange)±2.5 v±2.5 v
constant current excitation2.2 to 20 ma2.2 to 20 ma
output impedance<10 ohm<10 ohm
settling time<6 min<6 min
output polarityinvertedinverted
maximum input voltage30 v30 v
broadband electrical noise (1 to 10000hz)14.0 µv-97 db[3] spectral noise (1 hz)8.90 µv/√hz-101 db[3] spectral noise (10 hz)0.85 µv/√hz-121 db[3] spectral noise (100 hz)0.31 µv/√hz-130 db[3] spectral noise (1 khz)0.17 µv/√hz-135 db[3] spectral noise (10 khz)0.07 µv/√hz-143 db[3] capacitance (maximum allowable atinput)20000 pf20000 pf
resistance (minimum required at input)10000 ohm10000 ohm
source capacitance loading<0.0005 %/pf<0.0005 %/pf
physicalhousing materialstainless steelstainless steel
sealingweldedwelded
electrical connector (input)10-32 coaxial jack10-32 coaxial jack
electrical connector (output)bnc jackbnc jack
size - diameter0.52 in13 mm
size - length3.4 in86 mm
weight1.1 oz31 gm

水下传感器具备非凡的“听觉”
日前，一个国外的研究小组开发了一个水下声学传感器，它能地判定声源的方向，从而改进那些早期的水听器。该传感器的灵感来源于鱼的内耳解剖结构，它用绒毛的运动对声波作出响应，因此传感器采用铰链连接的两个平板。一个平板固定在某个位置，另一个是采用与水密度相匹配复合材料制造的可自由运动平板。第二个平板的运动改变一根光纤中的信号，研究人员用一只光电二极管对其作分析。
 　该项目由*管理部门出资，进行资金支持，它可以帮助*减少拖拽在船边的传感器阵列长度，可地测定水下物体的位置，包括潜艇，也就是说水下传感器也可再军事上有所应用，功能十分强劲。

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