
为了准确测量流量,必须消除各种干扰信号,有效放大流量信号。应该提高流量转换器的性能,采用微处理机型的转换器,用它来控制励磁电压,按被测流体性质选择励磁方式和频率,可以排除同相干扰和正交干扰。但改进的仪表结构复杂,成本较高。正确的安装是很重要的。变送器应安装在室内干燥通风处.避免安装在环境温度过高的地方,不应受强烈振动,尽量避开具有强烈磁场的设备,如大电机,变压器等.避免安装在有腐蚀性气体的场合.安装地点便于检修.这是保证变送器正常运行的环境条件。
A10V028DFR/31L-PSC12K01+
A10VG63EP11/10R-NSC10F003D-S
EA10VS071-DR/31R-PPA12N00
A10VSO 18 DFRI/31R-PPA12N00
A10VS045DR/31RPPB12-NDD
A10VS028DR/31L/PPA12G20+1PF2G2
A11VLO260LRDL.H2/10+A10V028
A11VL190LRDL.H2/10+A10V028
A10VSO140DFLR1/31R-PPB12KO1
A10VSO45DFR1/31R-PPA12N00
A10VS0100DR/31R-PPA12N00
A10VS0100DR/32R-VPB22(12)U99N00
A10VS018DR/31R-PPA12N00
A10V028DR/31R-PSC12N00

A10VSO71DFR1/31R-PPA12N00
A10VG18HD1/10L-NSC16N003E
A10VS028DR/31R-PPA12N00
A10VS045DR/31R-PPA12K25
A10VSO045DR/31R-PPA12N00
A10VSO71DFR1/31R-PPA12KB5
A10VSO28DRF1/31R-PSA12N00
A10VSO100DFR1/31R-PPA12K
A10VSO100DFR1/31R-PPA12KB3
A10VS010DR
A10VSO71DFR/31R-PSC62K07
A10VS045DFR1/31RPPA12NOO
A10V071DFRI/34 PSC6402-S0225
A10VSO-140DR/31R-PPB12N00
A10VS0-71FR1/31R-PPA12N00
A10VS071DFR1/31R-PPB12NOO
MA10VSO100PFR1/31R-PPA12N00
E-A10VSO140DFR1/31R-PPA12N00
E-A10VSO71DFR1/31R-PPA12N00
E-A10VSO45DFR1/31R-PPA12N00
E-A10VSO28DFR1/31R-PPA12N00
上世纪因地震死亡12万人,其中死亡6万人。近两年我国汶川8级地震死亡7万人,智利8.8级地震死亡7人,新西兰7.2级地震零死亡。这些事故都与钢材质量有一定关系。我国风力发电机用齿轮、轴承,虽然转速不高,不是高、精、尖产品,但它们是在荒漠、高原或海域8米以上高空运行,很难维修,坏一个小零件等于报废整台机组。风电设备要求钢材质量必须百分之百稳定和均一,保证2年不维修。但国产钢材质量不稳定,用户不敢采用,基本靠进口。