通讯压力变送器 - 佛山市普量电子有限公司

产品优势：

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：
32位ADC采样处理芯片；
DSP数字信号调理算法；
多点性线温度校准；
电压电流过载保护；
超低功耗的稳定放大集成电路，待机电流小于50uA，工作电流小于1.5mA；
低电压供电3-5VDC，适用于锂电池、USB供电；
TTL MODBUS-TRU标准通讯协议，直接对接单片机数据采集；

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

Common keywords:
Digital pressure transmitter low power consumption pressure transmitter
TTL pressure transmitter low power pressure transmitter
Digital pressure sensor low power pressure sensor

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

Signal processing and output:
32-bit ADC sampling and processing chip;
DSP digital signal conditioning algorithm;
Multipoint linear temperature calibration;
Voltage and current overload protection;
The stable amplifier IC with ultra-low power consumption has a standby current of less than 50ua and a working current of less than 1.5mA;
Low voltage power supply 3-5vdc, suitable for lithium battery and USB power supply;
TTL modbus-tru standard communication protocol, direct docking single chip data acquisition;

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

产品家族：

规格参数

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：TTL MODBUS-RTU数字通讯
供电电压：3.6VDC(3～5VDC)
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

订购注意事项

PT500-540 TTL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3-5VDC：
低功耗TTL-RTU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 PT500-540 TTL 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 3-5vdc:
Low power ttl-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;

使用注意事项

PT500-540 TTL数字压力变送器使用注意事项
产品供电3.6VDC（范围：3-5VDC）；
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 PT500-540 TTL digital pressure transmitter
Product power supply 3.6vdc (range: 3-5vdc);
It is strictly prohibited to use hard objects (such as screwdriver, finger, iron nail, etc.) to make the pressure core body under pressure measurement output;
The power and signal wires shall be correctly wired according to the specifications of the ordered products;
When the product is installed, the stressed part is "process connection hexagon wrench position", and the wrench specification corresponds to hexagon;
It is strictly prohibited that the medium temperature, pressure range and excitation voltage of the tested system exceed the rated use range of the transmitter;
Pay attention to protect the outgoing cable of the transmitter. When the span is too large on site, it is recommended to use metal pipe for protection or overhead;
The pressure transmitter is a precision measuring instrument, do not impose impact or smash to avoid damaging the core;
The product is installed in a ventilated, dry and non corrosive environment, and installed in the open with protective devices to avoid direct sunlight;

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