描述
这大多是接地和防干扰措施注意不够引起的。如某厂有不少温度点测量不准,经检查发现是电缆桥架各段槽板之间有漆层,而各段槽板之间又没有用导线连接,由于没有屏蔽作用,干扰信号串入了热电偶的测量回路中,导致温度测量不准的故障。
ILX Lightwave LDC-3916558
3A Temperature Control Module
ILX Lightwave LCM39437 Current Source & TE Controller M
ILX Lightwave LDC3916372 0.5A Current Source / 9W Laser
ILX Lightwave LDX3207B Precision Current Source, 200mA
ILX Lightwave LDC-3916332 Module, Dual Current Source
with Warranty – Free Shipping
ILX Lightwave LDC3916338 3A Current Source Laser Diode
ILX Lightwave OMH-6727 InGaAs Power/WaveHead *Wty
79800B FIBER OPTIC SOURCE ILX LIGHTWAVE