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关 键 词：桂林远传密度继电器
行 业：机械 仪器仪表 计量标准器具
发布时间：2023-07-21
安全提示
Safety tips
在安装、启动和操作此仪表时，必须遵守相应国际安全规范，所有的工作必须在无电压状态进行。如果不按规程程序操作，会造成严重的人身伤害或财产损失。只有经过培训的人员可以调装此仪表。
During installation, startup and operation of this instrument, all relevant international safety codes must be obeyed and all the work must be conducted under the voltage-free status. Failure to comply with specific instructions may cause severe injury or property damage. Only professionally trained personnel can debug or install this instrument.
安装
Installation
A．机械接口
Mechanical interface
一般仪表常用的技术性规范这里也使用 (如:En837-2),旋转安装时所用的力不允许直接作用到表壳或接线盒上,而是通过合适的工具作用到扳手面上.
Technical codes (e.g., En837-2) applicable to ordinary instrumentation also apply here. The force applied for rotation installation shall not directly act upon the instrument housing or terminal box but act upon the wrenching face through a suitable tool.
使用和维护
Use and maintenance
密度继电器/远传密度继电器应垂直安装，用在室外的密度继电器/远传密度继电器应避免阳光直射到仪表上，好在仪表上加装防护罩。
Gas density monitor/remote gas density monitor shall be installed upright. For a gas density monitor used outdoors, direct exposure to sunlight is not allowed, and it is advisable to use a shield.
密度继电器/远传密度继电器安装部位应能较真实地反映设备内气体的温度。
Gas density monitor/remote gas density monitor shall be erected at a proper position to reflect the temperature of gas in relevant equipment.
用肥皂水浸湿的擦布清洁仪表，要清洁接线盒或插头时要先把电源断开，再接通电源前确保所有部件不潮湿。
Clean the instrument with a wiping cloth soaked in soap water. Cut off the power supply before cleaning the terminal box or plugs. Make sure that all components are dry before turning on the power again.
数据处理：
温度：Temperature = ( Temperature High | Temperature Low)/100 ℃
例：Temperature High=0xF6；Temperature Low=0x05
Temperature = 0xF605/100 = -25.55 ℃
压力：Pressure = ( Pressure High | Pressure Low)/1000 MPa
例：Pressure High = 0x12，Pressure Low = 0x34
Pressure = 0x1234/10000 = 0.4660 MPa
密度：Density = ( Density High | Density Low)/1000 MPa
例：Density High=0x56；Density Low=0x78
Density = 0x5678/10000 = 2.2136MPa
返回的温度、压力、密度数据为2字节有符号整数。
密度以对应20℃下的压力P20表示，单位MPa.
压力和密度用压力表示，若转化为相对压力，减去当地大气压。
B.电气接口
Electrical interface
接线必须由经过培训的人员操作 .接线分布和开关功能都在仪表型号牌上给出,并注明了接线柱和接地柱.规定供电电线必须考虑仪表的大电流需求量并符合 IEC227 或 IEC245 标准.
The wirings shall be performed by professionally trained personnel. Wiring distribution and switching functions are displayed on the instrument type plate with terminal binding posts and ground pole also indicated. The specifications of power line must allow for the maximum current requirement of the instrument and comply with IEC227 or IEC245.
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