描述
1.测量参数
参数详情
测量类型-表压(Gauge Pressure):测量相对于大气压的压力(如管道压力)。
-绝压(Absolute Pressure):测量相对于真空的压力(如气象监测)。
-差压(Differential Pressure):测量两点之间的压力差(如流量测量)。
量程范围-典型量程:
-表压:0-10 kPa至0-600 bar(依型号而定)。
-绝压:0-100 kPa至0-400 bar。
-差压:0-1 kPa至0-100 bar。
-可定制量程:通过软件或硬件调整(需确认厂商支持范围)。
过载能力-短期过载:2倍量程(持续<1秒)。
-长期过载:1.5倍量程(持续<1小时)。
精度等级-标准精度:±0.25%FS(典型值)。
-高精度型:±0.075%FS(需确认型号支持)。
-重复性:±0.05%FS。
-稳定性:<0.1%FS/年(25°C恒温条件下)。
2.输出参数
参数详情
输出信号-标准信号:
-4-20mA(两线制,负载能力:<750Ω)。
-0-10V(三线制,负载能力:>10kΩ)。
-可选信号:
-0-20mA、1-5V(需定制或通过软件配置)。
响应时间-T90:<50 ms(依传感器类型和安装条件而定)。
零点/量程调整-本地调整:通过磁笔或按键手动校准。
-远程调整:支持HART协议的型号可通过通信器校准。
3.通信与配置
参数详情
通信协议-HART 7协议(部分型号):支持数字信号叠加在4-20mA模拟信号上,实现:
-远程校准(如零点/量程调整)。
-故障诊断(如传感器断路/短路报警)。
-变量读取(如实时压力值、设备状态)。
-可选协议:部分型号支持Modbus RTU(RS485接口)或Profibus-PA(需确认)。
配置方式-本地配置:通过DIP开关设置基础参数(如量程、输出类型)。
-远程配置:使用HART通信器(如375/475手持终端)或厂商专用软件进行高级配置。
1.Measurement parameters
Parameter Details
Measurement type-Gauge Pressure:Measures pressure relative to atmospheric pressure(e.g.pipeline pressure).
-Absolute Pressure:Measures pressure relative to a vacuum(e.g.weather monitoring).
-Differential Pressure:Measures the pressure difference between two points(e.g.flow measurement).
Range-Typical range:
-Gauge Pressure:0-10 kPa to 0-600 bar(depending on model).
-Absolute Pressure:0-100 kPa to 0-400 bar.
-Differential Pressure:0-1 kPa to 0-100 bar.
-Customizable range:Adjustable by software or hardware(need to confirm the manufacturer’s supported range).
Overload Capacity-Short-term overload:2 times the range(lasting<1 second).
-Long-term overload:1.5 times the range(lasting<1 hour).
Accuracy Grade-Standard accuracy:±0.25%FS(typical value).
-High-precision type:±0.075%FS(need to confirm model support).
-Repeatability:±0.05%FS.
-Stability:<0.1%FS/year(under constant temperature of 25°C).
2.Output parameters
Parameter Details
Output signal-Standard signal:
-4-20mA(two-wire system,load capacity:<750Ω).
-0-10V(three-wire system,load capacity:>10kΩ).
-Optional signal:
-0-20mA,1-5V(need to be customized or configured by software).
Response time-T90:<50 ms(depending on sensor type and installation conditions).
Zero/span adjustment-Local adjustment:Manual calibration by magnetic pen or button.
-Remote adjustment:Models supporting HART protocol can be calibrated through the communicator.
3.Communication and configuration
Parameter Details
Communication protocol-HART 7 protocol(some models):supports digital signals superimposed on 4-20mA analog signals to achieve:
-Remote calibration(such as zero/span adjustment).
-Fault diagnosis(such as sensor open/short circuit alarm).
-Variable reading(such as real-time pressure value,device status).
-Optional protocol:Some models support Modbus RTU(RS485 interface)or Profibus-PA(need to be confirmed).
Configuration method-Local configuration:Set basic parameters(such as range,output type)through DIP switches.
-Remote configuration:Use HART communicator(such as 375/475 handheld terminal)or manufacturer-specific software for advanced configuration.
ABB 型号:GBU72 3BHE055094R0002 型号:3BHE055094R0002 GBU72 型号:GBU72 型号:3BHE055094R0002 型号:3BHE031197R0001 型号:3BHB030310R0001 型号:73BHE055094R0002 GBU72 型号:73BHE055094R0002 型号:GBU72 型号:ABB PCS6000 PRODUCT FAMLIYABB 5SHY4045L0006 3BHB030310R0001 3BHE039203R0101 GVC736CE101