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电流前置放大器1211

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参考报价: 面议 型号: 1211
品牌: 暂无 产地: 暂无
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技术参数
(maximum or minimum as applicable unless otherwise noted)
灵敏度   10-3 to 10-11 ampere/volt with nine decade current gain ranges.
增益  Output gain multiplier varies sensitivity in 3 steps,X0.1,X1.0 and X10, for optimum dynamic range and overload capability.
增益精度   ±2% of reading (10-3 to 10-9 ampere/volt ranges); ±3% of reading (10-9 thru 10-11 ampere/volt ranges).
输入电流补偿   Less than 0.5X10-13 ampere @ 50℃.Typically 1×10-4 @25℃.
输入压降  Less than 200 microvolts, 10-5 to 10-11 ampere/volt ranges. 
上升时间(低通滤波器)   Front Panel adjustable from 10 microseconds to 1 second in a 1-3-10 sequence; IN position rise time is less than 5 microseconds. Standard rolloff is 12 dB/octave. Jumper option for 6 dB/oct when 1211 is applied in feedback control loops.
输出:
a) 600Ω outputs (2)
b) Lo-Z output (to 25 mA, 50Ω)
c) Unity gain output(X1)
输出电压   22 Vpp into 1 K load (Lo-Z out)
输出端极性   Unity gain (X1) Non inverted
                       Lo-Z(50Ω)  Inverted
                       600Ω         Inverted
输出稳定性  Output voltage offset stability better than 0.003% per ℃.
归零设置   Input offset nulling. Used to adjust for precisely zero bias voltage on detectors such as photovoltaic diodes. Alternatively, can adjust for zero d.c. offset on output.
偏置   Zero to ±5 volts, adjustable and polarity-selectable with rear panel vernaier(10-turn) and switch. Stability is 100ppm/℃.
门控   TTL-compatible logic 0 or switch closure to ground (rear panel BNC input) provides gated operation of preamplifier signal path; maximum gating frequency is 5 kHz.
功率 100 to 130 or 200 to 260 VAC (switch-selectable), 50-60 Hz, 10Watts.
尺寸  90×215×380(3.5"high×8.5"wide×15"deep)


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注:该产品未在中华人民共和国食品药品监督管理部门申请医疗器械注册和备案,不可用于临床诊断或治疗等相关用途

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