我们用的是上海辰华620A电化学检测器.机器突然没有电流响应了,走的都是直线,直线位置随着灵敏度的变化而变化,用软件检测硬件,结果是:
Digital circuitry test results:
rom version:2.20
ROM revision date:5-OCT-2002
ROm test OK
RAM test OK

Analog circuitry uncalibrated results:
E offset (V)=0.0003
Range0 offset (V)=0.0000
Range1 offset (V)=-0.0008
Range2 offset (V)=-0.0007
Range3 offset (V)=0.0003
Range4 offset (V)=-0.0003
Range5 offset (V)=-0.0002
Range6 offset (V)=0.0000

Sensitivity scale:

Range0 error =0.04%
Range1 error =-0.13%
Range2 error =-0.03%
Range3 error =0.09%
Range4 error =0.08%

Gain:

Range0 error =0.00%
Range1 error =-0.0%
Range2 error =0.01%
Range3 error =-0.38%
Range4 error =-0.05%
Range5 error =-0.30%
Range6 error =-0.01%
Range7 error =-0.15%

Analog circuitry test OK

请高手帮忙指点一下啊!谢谢了!