新势力光电供应光电管放大器，以便直接将光电二极管、光电倍增管等电流源的电流信号转换成数字信号。通过切换A/W，可以设置电流值显示或者功率值显示(作为光功率计)。该系列光电管放大器具有如下特点：满量程输入范围从±20nA至±20mA；可变偏压从-14V至14V；LCD显示读数；RS-232串行接口。

Specifications
Max input without damage	±25mA
Full scale range	±20nA to 20mA in decade steps, 1pA max. resolution
A/W setting	0.100 to 1.000 A/W in increments of .005 A/W
Output impedance	100Ω
Bias voltage	Selectable -14V to +14V in 6.5mV increments
Analog ourput port	±2V corresponds to ±20,000 counts of range in use
Noise and Drift	<1pA/5 seconds on most sensitive range
Frequency response(-3dB)	DC to 2KHz, most sensitive range  DC to 40KHz, least sensitive range
Display	4 1/2 digit LCD, 0.4" high
Power requirement	Rechargeable Ni-mH batteries with approximately 10 hours of use
External supply	85-250VAC, 50-60Hz, <9VA
Dimensions	140mm(W)×63mm(H)×215mm(L)
Weight	0.9kg, excluding external power supply
Operating temperature	0 to +40°C
Accessories provided	Rs-232 cable, power supply/charger, operating manual

2012.08.02 updated
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