低功耗RS485 数字压力变送器 PT500-561

型号：PT500-561
进口压力芯体；
高精度、稳定、数字放大电路；
低功耗RS485 MODBUS-TRU数字通讯输出
32bit微处理器和24bit ADC，低功耗OS技术；
待机电流小于50uA，采集电流小于2mA；

常用关键字：
低功耗数字压力变送器低功耗压力传感器
RS485通讯压力变送器 RS485数字压力传感器
数字压力变送器 modbus协议压力变送器

产品优势
规格参数
订购注意事项
使用注意事项
常见问题
我要提建议

芯片：

进口品牌感压芯片晶圆；
选进的贴片工艺及全密封封装；

信号处理及输出：
高精度、稳定、数字电路，低功耗RS485-TRU通讯；
待机电流小于50uA，采集电流小于2mA；
零点、满度，温补、线性补偿；
32bit微处理器和24bit ADC，低功耗OS和曲线拟合技术；
采集间隔0~43200秒(12小时)可设，既可连续采集，满足高速采集的场合，也可单次触发采集，最大限度降低功耗；
工业及设计，适合DCS系统、组态软件、PLC系统；

结构：
结构小巧、全封焊结构、抗冲击、耐疲劳、可靠性高、多种过程连接方式
过程连接材料，304/316；
电气连接：DIN43650赫斯曼标准电气连接器；
配套标准四芯屏蔽电缆；

应用：
管道水压及水压设备压力测量
液压系统管道及液压设备压力测量
智慧城市给水管网压力监控
智能消防水压压力监控
其它民用/工业自动化领域的压力测量

Model: PT500-561
Inlet pressure core body;
High precision, stable, digital amplifier circuit;
Low power RS485 modbus-tru digital communication output
32 bit microprocessor and 24 bit ADC, low power os technology;
The standby current is less than 50ua and the acquisition current is less than 2mA;

Common keywords:
Low power digital pressure transmitter low power pressure sensor
RS485 communication pressure transmitter RS485 digital pressure sensor
Digital pressure transmitter Modbus protocol pressure transmitter

Chip:
Imported brand pressure sensitive chip wafer;
Selected chip technology and full sealed package;

Signal processing and output:
High precision, stable, digital circuit, low power rs485-tru communication;
The standby current is less than 50ua and the acquisition current is less than 2mA;
Zero point, fullness, temperature compensation and linear compensation;
32 bit microprocessor and 24 bit ADC, low power OS and curve fitting technology;
The acquisition interval of 0 ~ 43200 seconds (12 hours) can be set, which can not only meet the needs of high-speed acquisition, but also trigger acquisition once to minimize power consumption;
Industrial and design, suitable for DCS system, configuration software, PLC system;

Structure:
Compact structure, full seal welding structure, impact resistance, fatigue resistance, high reliability, a variety of process connection mode
Process connection material, 304 / 316;
Electrical connection: din43650 hesman standard electrical connector;
Supporting standard four core shielded cable;

Application:
Pipeline water pressure and pressure measurement of hydraulic equipment
Pressure measurement of hydraulic system pipeline and hydraulic equipment
Pressure monitoring of water supply network in smart city
Intelligent fire water pressure monitoring
Pressure measurement in other fields of civil / industrial automation

应用领域：

智慧消防
智慧城市
油压系统
消防系统
石油管道
供气系统

产品家族：

一、技术参数
测量介质：液体、气体（与产品过程连接材料兼容）
压力形式：表压、绝压
量程：0～0.6～60MPa
-0.1～0～0.6～5MPa
-100KPa～10KPa～40MPa
±10KPa～±100KPa
综合精度：±0.25%FS；±0.5%FS；±1%FS
非线性：≤0.25%FS
重复性：≤0.1%FS
输出信号：低功耗RS485 MODBUS-RTU数字通讯
待机电流小于50uA，采集电流小于2mA
供电电压：3.6VDC(3.1～6.1VDC)
绝缘阻抗：≥1000 MΩ/100VDC
介质温度：-20～80℃
环境温度：-20～70℃
补偿温度：0～70℃
响应时间：≤5mS
过载压力：150%FS
破坏压力：5倍量程(量程小于5MPa)；3倍量程(量程大于5MPa)
电气连接：赫斯曼(DIN43650)
防护等级：IP65
连接电缆：四芯屏蔽电缆，标准长度：3米
连接材料：304/316L
过程连接：M20X1.5,G1/2,G1/4,ZG1/4,1/4NPT,ZG1/2,G3/8,M12X1.5……

二、规格型号

三、结构尺寸

四、电气连接

五、安装方式

Technical parameters
Measuring medium: liquid and gas (compatible with connecting materials of product process)
Pressure form: gauge pressure, absolute pressure
Range: 0 ～ 0.6 ～ 60MPa
-0.1～0～0.6～5MPa
-100KPa～10KPa～40MPa
±10KPa～±100KPa
Comprehensive accuracy: ± 0.25% FS; ± 0.5% FS; ± 1% FS
Nonlinearity: ≤ 0.25% FS
Repeatability: ≤ 0.1% FS
Output signal: low power RS485 MODBUS-RTU digital communication
The standby current is less than 50ua and the acquisition current is less than 2mA
Power supply voltage: 24VDC (9-30vdc)
Insulation impedance: ≥ 1000m Ω / 100VDC
Medium temperature: - 20-80 ℃
Ambient temperature: - 20 ～ 70 ℃
Compensation temperature: 0 ～ 70 ℃
Response time: ≤ 5ms
Overload pressure: 150% FS
Failure pressure: 5 times of range (range less than 5MPa); 3 times of range (range greater than 5MPa)
Electrical connection: Hersman (din43650)
Protection grade: IP65
Connecting cable: four core shielded cable, standard length: 3M
Connection material: 304 / 316L
Process connection: m20x1.5, G1 / 2, G1 / 4, ZG1 / 4, 1 / 4NPT, ZG1 / 2, G3 / 8, m12x1.5

PT500-561 RS485低功耗数字压力变送器订购注意事项
1、产品量程选择：
为了使产品精度、寿命、稳定性等功能达到最佳效果，产品的量程选择参照以下公式计算：
量程 = 系统最大压力 X （1.2-1.5）倍；
产品的实际测量压力范围，应该在量程范围的15%-80%；

2、产品供电及输出：
供电范围3.1-6.1VDC：
RS485-RTU信号输出；
请先了解通讯协议；

3、用户要了解产品的测量介质特性：
介质规格、介质温度、介质纯度（是否含有杂质或颗粒等）；

4、用户要了解产品的安装环境及安装方式：
室内或室外安装；
环境温度；
要求的密封等级；
设备的振动范围；
压力密封方式：锥度密封、端面密封、弧面密封、球面密封；
安装空间是否满足产品外形尺寸；

Precautions for ordering PT500-561 RS485 Low power digital pressure transmitter
1. Product range selection:
In order to achieve the best effect of product accuracy, life, stability and other functions, the range selection of the product is calculated by referring to the following formula:
Range = x (1.2-1.5) times of the maximum system pressure;
The actual measuring pressure range of the product should be 15% - 80% of the range;

2. Product power supply and output:
Power supply range 3.1-6.1vdc:
Low power RS485-rtu output;
Please understand the communication protocol first;

3. The user should understand the measurement medium characteristics of the product:
Medium specification, medium temperature, medium purity (whether containing impurities or particles, etc.);

4. Users should understand the installation environment and installation method of the product:
Indoor or outdoor installation;
Ambient temperature;
Required sealing level;
Vibration range of equipment;
Pressure seal: taper seal, face seal, arc seal, spherical seal;
Whether the installation space meets the overall dimension of the product;

PT500-561 RS485低功耗数字压力变送器使用注意事项
产品供电3.6VDC（范围：3.1-6.1VDC）；
严禁使用硬物（如：螺丝刀、手指、铁钉等）去使得压芯体受压力测量输出；
电源和信号线按订购产品规格要求，正确接线；
产品安装时，受力部位为“过程连接六方扳手位”，扳手规格与六方相对应；
严禁被测系统的介质温度、压力量程、激励电压超过变送器的额定使用范围；
注意保护变送器引出电缆，现场使用跨度过大时，建议使用金属管保护或架空；
压力变送器属精密计量仪器，切勿强加冲击、摔打，以免损坏芯体
产品安装于通风、干燥、无强腐蚀环境，露天安装加防护装置，避免阳光直接照射；

Precautions for using PT500-561 RS485 low power digital pressure transmitter
Product power supply 3.6vdc (range: 3.1-6.1vdc);
It is strictly forbidden to use hard objects (such as: screwdrivers, fingers, nails, etc.) to make the pressure measurement output of the pressure core body;
The power supply and signal lines shall be correctly connected according to the product specifications;
When the product is installed, the stress part is "process connection hexagonal wrench", and the wrench size is corresponding to the hexagonal wrench;
It is strictly prohibited that the medium temperature, pressure range and excitation voltage of the measured system exceed the rated range of the transmitter;
Pay attention to protect the outgoing cable of transmitter. When the span is too large, it is recommended to use metal tube for protection or overhead;
Pressure transmitter is a kind of precision measuring instrument. Do not force impact and fall to avoid damaging the core
The product is installed in a ventilated, dry and non corrosive environment. It is installed in the open air with protective devices to avoid direct sunlight;

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