• 美国电流前置放大器的操作方法DL1211

    详细信息

     品牌:美国  型号:DL1211  加工定制:否  
     外形尺寸:1 mm 重量:5.5 ㎏ 用途:见详情  
    The Model 1211 Current Preamplifier was designed to provide all of the features 
    required of a modern laboratory preamplifier. It measures current with full scale 
    sensitivity ranging from 10-2 to 10-12
    amperes. With a dynamic range of 96dB and 
    output stability better than 0.003% per o C or per day plus a gain stability of 0.05% 
    per o C of per day, its performance is unexcelled.

    The classic analog design provides a clean signal without the high frequency “hash” 
    encountered with microprocessor based designs employing multiplexed front panes 
    displays. The wide gain bandwidth product permits calibrated, front panel rise time 
    settings from 10?sec to 1 second.
    The 1211 has a 600? output, a 50? output and a zero ? unity gain (converter) 
    output. It may be gated off and on by a TTL Level Pulse at a rear panel connector at 
    a rate up to 5 kHz for input overload suppression, etc.
    Other convenience features include a 0-5 volt adjustable detector bias supply with 
    100ppm per o C stability and calibrated current suppression of 10-3 to 10-10
    amperes in 8 ranges.
    The unit may be battery operated with the addition of the Option 10 Battery Pack. 
    This allows the unit to run on batteries only, line power only, or while recharging 
    from the line. Fast charge and trickle charge rates are switch selectable. External 
    battery modification option M104 is also available so customer may use their own 
    DC power supply to power the unit.
     
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