HR-M小巧型压力变送器
价格:电议
地区:河南省
电 话:0371-56610738
传 真:0371-56610738
HR-M小巧型压力变送器   
 

应用

 

    该变送器使用陶瓷压阻式传感器。结构简单,体积小巧,易安装,适用于与接触部分材质兼容的气体和液体介质。可以测量表压、绝压和负压。

HR-M(带LED表头指示) 

技术参数

  测量范围:-100KPa~60MPa
                                      允许温度:
      介质温度:-30~85℃
                                          环境温度:-30~85℃
                                          储存温度:-30~85℃
温度影响:TK<±0.02%FS/K
等级:0.2、0.5级
                                    工作电压:18~36VDC
输出信号:4~20mA(二线制);1~5V(三线制)
                                    负载电阻:<=1000Ω
工作原理
    抗腐蚀的陶瓷压力传感器没有液体的传递,压力直接作用在陶瓷膜片的前面,使膜片产生微小的形变,厚膜电阻印刷在陶瓷膜片的背面,连接成一个惠斯通电桥(闭桥),由于压敏电阻的压阻效应,使电桥产生一个与压力成正比的高度线性、与激励电压也成正比的电压信号,标准的信号根据压力量程的不同标定为2.0/3.0/3.3mV/V,可以和应变式传感器相兼容。通过激光标定,传感器具有很高的温度稳定性和时间稳定性,传感器自带温度补偿0~70℃,并可以和绝大多数介质直接接触。
尺寸大小
电气连接
  HR-M小巧型变送器的电气连接方式和输出信号为:
  二线制:1 电源正
          2 信号正
          3 外壳
  三线制:1 电源正
          2 电源负(与信号负共用)
          3 信号+

HR-M型压力变送器型谱表

压力变送器类型
 HR-M1 陶瓷压阻
HR-M2 扩散硅
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过程连接材料
 1
                                    2
不锈钢316L
约定的特殊要求
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过程连接形式
 R
                                    N
                                    K
                                    S
外螺纹G1/2,内孔Φ11.4mm
外螺纹NPT1/2,内螺纹NPT1/4
外螺纹M20×1.5,内孔Φ11.4mm
约定的特殊要求
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密封材料
 F
                                    P
                                    S
氟素橡胶
PTFE
约定的特殊要求
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输出信号
 2
                                    4
                                    6
模拟信号4~20mA二线
                                    模拟信号1~5V三线
                                    约定的特殊要求
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外壳类型
 A压铸铝外壳
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现场显示表类型
 A
                                    B
无现场显示
LED显示
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等级
 2
                                    3
0.2
                                    0.5
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测量量程
 [参见标准量程代码表]
例如:D3   0~10KPa
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HR-M1RF2AN3D3 选型举例

标准量程表

测量范围代号量程调节范围测量范围代号量程调节范围测量范围代号量程调节范围
0~4KPaD10.7~7KPa0~200KPaE360.0~200KPa0~10MPaH13.0~10MPa
0~6KPaD20.7~7KPa0~250KPaE4120.0~400KPa-2~2KPaH23.0~30MPa
0~10KPaD31.0~10KPa0~400KPaE5120.0~400KPa-5~5KPaC12.0~7.0KPa
0~16KPaD410.0~20KPa0~0.6MPaF10.2~0.6MPa-10~10KPaC25.0~20KPa
0~20KPaD510.0~20KPa0~1.0MPaF20.3~1.0MPa-20~20KPaC32.0~20KPa
0~25KPaD612.0~30KPa0~1.6MPaF30.6~2.0MPa-50~50KPaC4-8.0~20KPa
0~40KPaD712.0~40KPa0~2.0MPaF40.6~2.0MPa-100~0KPaC510.0~100KPa
0~60KPaD820.0~60KPa0~2.5MPaF51.2~4.0MPa-100~0KPaB1-40~100KPa
0~100KPaE130.0~100KPa0~4.0MPaF61.2~4.0MPa-100~100KPaB2-40~100KPa
0~160KPaE260.0~200KPa0~6.0MPaF72.0~6.9MPa-100~1000KPaB3240~1000KPa

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