SCHNEIDER 140CRA21220

SCHNEIDER 140CRA21220

ASP3051智能压力变送器模块是我公司根据国内外压力变送器生产厂商的实际需求，采用最新的数字化技术开发出的专门适用于金属电容式压力传感器和扩散硅等电阻桥式压力传感器的理想方案。模块采用先进的电隔离技术真正实现传感器与电路板的隔离，隔离电压高达1500VDC，非常适合在现场干扰严重的工况下使用。采用24bit 高精度ADC 配合超低功耗MCU芯片，可实现对传感器信号的电路调理，增益放大、数据采集、智能温度补偿和线性化修正、自诊断、按键显示操作和HART 通信等功能。结合16bit的DAC 输出，从而实现两线制4~20mA压力变送器功能。业内首创的带背光中英文双语操作菜单极大的方便了现场使用人员对仪表的调校工作。非接触式干簧按键开关可使仪表轻松适用于本安，隔爆场合。

应用领域：
◆ 小型化金属电容式差压、压力传感器
◆ 两线制 4~20mA 电流环叠加HART
◆ 扩散硅、应变片等电阻桥式压力传感器

产品特点：
◆ 电隔离，隔离电压高达1500VDC
◆ 高精度等级 0.1% F.S
◆ 带背光中英文双语液晶操作菜单
◆ 智能温度补偿和线性修正功能
◆ 强大的仪表参数组态功能
◆ 体积小巧灵活，适合各种变送器外壳尺寸
◆ HART 数字通信，便于参数组态，生产标定
◆ 数据备份恢复功能，液晶菜单可恢复出厂设置
◆ 防爆设计，符合EX ia IIC T6

技术参考：
精度等级
0.1%F.S.
EMC
符合EN 61326-1:2013标准
量程比
10:1
输出信号
4~20mA(Max22mA,Min3.7mA)
温度影响量
优于0.05%F.S./10℃
通信方式
HART
绝缘电阻
>100MΩ（500VDC）
工作温度
-40℃～85℃
电气阻尼
0.1~  16s 可任选
本安性能
EX ia IIC T6
供电电源
11~45VDC（不带背光显示）
15~45VDC（带背光显示）
外形尺寸
主板： D=62±0.5mm
AD 板： D=49±0.5mm
选型参考：
型 号
匹配传感器描述
供电电源
外形尺寸
ASP3051C
金属电容传感器
11  ~45VDC
Φ62mm
ASP3051S
扩散硅传感器
11  ~45VDC
Φ62mm
ASP200xCU智能压力变送器是我公司根据电池供电水表，恒压供水等行业的实际需求，采用最新的低功耗设计技术开发出的专门适用用于气体，液体等介质的压力和液位测量的检测仪表。传感器采用扩散硅电桥式传感器，电路板部件采用超低功耗MCU芯片和高精度ADC采集芯片，可实现对传感器信号的电路调理，可编程增益放大，ADC数据转换，智能温度补偿和线性化修正。上位机软件可通过UART通信和仪表进行数据通信，读取实时压力值。
厦门兴锐达自动化设备有限公司 

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