产品优势：
芯 片：
采用进口感压芯片；选进的贴片工艺，具有零点、满量程补偿、温度补偿；
应变计芯体，高强度弹性形变感压材料，配有温度补偿，具有抗冲击、耐疲劳性能优势；
微机械加工工艺，一体化结构设计、整体弹性材料，无焊工艺，受压1000MPA不会破裂，确保产品的安全性；
信号处理及输出：
24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；
标准工业信号输出：4-20mA(二线制)，0-20mA(三线制)，0-5VDC，0-10VDC，0.5-4.5VDC(三线制);
数字通讯信号输出：RS485-RTU、超低功耗RS485-RTU
采用先进的32bit微处理器和24bit ADC
传输协议采用通用的MODBUS-RTU协议
支持波特率：1200~57600bps，校验位：NONE、ODD、EVEN
支持用户二次校准、清零、反清零、恢复出厂等操作
支持11种单位切换，支持浮点型、整型、百分比、格式化输出
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
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，304，四种密封方式可选：锥度密封、端面密封、弧面密封、球面密封；
电气连接：紧线螺母密封结构引线，防水防潮；
配套标准四芯屏蔽电缆；
应 用：
大型液压机械，液压站的压力测量；
水刀机，陶瓷线割机压力测量与控制；
液压系统管道及液压设备压力测量控制；
Chip:
Adopt imported voltage sensing chip; select the chip technology, with zero, full range compensation, temperature compensation;
Strain gauge core, high-strength elastic deformation pressure sensing material, equipped with temperature compensation, has the advantages of impact resistance and fatigue resistance;
Micromachining process, integrated structural design, integral elastic material, no welding process, 1000 MPa compression will not crack, to ensure the safety of the product;
Signal processing and output:
24 bit ADC sampling processing chip;
DSP digital signal conditioning algorithm;
Multipoint line temperature calibration;
Voltage and current overload protection;
Standard industrial signal output: 4-20mA (two-wire system), 0-20mA (three wire system), 0-5vdc, 0-10vdc, 0.5-4.5vdc (three wire system);
Digital communication signal output: rs485-rtu, ultra-low power rs485-rtu
Advanced 32bit microprocessor and 24bit ADC
The transmission protocol adopts the general MODBUS-RTU protocol
Support baud rate: 1200 ~ 57600bps, check bit: none, odd, even
It supports the user's secondary calibration, clearing, anti clearing, factory restoration and other operations
Supports 11 unit switches, floating point, integer, percentage, format output
The acquisition interval of 0-43200 seconds (12 hours) can be set, which can not only continuously acquire, but also meet the occasion of high-speed acquisition, and can trigger acquisition in a single time, minimizing power consumption
Structure:
Small structure, full seal welding structure, impact resistance, fatigue resistance, high reliability, a variety of process connection;
Process connection material, 304, four sealing methods are optional: taper seal, end face seal, arc face seal and spherical seal;
Electrical connection: tight nut sealing structure leads, waterproof and moisture-proof;
Supporting standard four core shielded cable;
Application:
Pressure measurement of large hydraulic machinery and hydraulic station;
Pressure measurement and control of water cutter and ceramic wire cutter;
Hydraulic system pipeline and hydraulic equipment pressure measurement control;
应用领域：
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冶金设备
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陶瓷切割
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水刀机设备
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石油管道
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高压水泵
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液压设备
订购注意事项
PT500-702T产品订购注意事项
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：
供电范围的选择按产品的个输出规格确定：
常规4-20mA/0-20mA、0-5V/10V输出，直流12-30VDC供电；
通用RS485-RTU输出，直流12-30VDC供电；
0.5-4.5VDC输出，直流5VDC；
低功耗RS485-RTU输出，直流3.1-6.1VDC；
RS485-RTU输出时，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 PT500-702T products
1. Product range selection:
In order to achieve the best effect of product accuracy, service life, stability and other functions, the range selection of the product
Select the following formula for calculation:
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:
The selection of power supply range is determined according to the output specifications of the product:
Conventional 4-20mA / 0-20mA, 0-5V / 10V output, DC 12-30vdc power supply;
General rs485-rtu output, DC 12-30vdc power supply;
0.5-4.5vdc output, DC 5VDC;
Low power rs485-rtu output, DC 3.1-6.1vdc;
When output rs485-rtu, 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
PT500-702T产品使用注意事项
产品供电为直流供电，电压范围视产品输出信号确定，通用24VDC（范围：9-30VDC），低功耗3.1-5VDC；
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；
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；
高压产品密封件使用紫铜材料；高压压力产品，调试使用过程中注意对产品做好防护，避免在调试或使用过程中，压力泄露伤及周围人员或损坏设备；
尽量避免直接接近引起干扰的用户装置或电器；
Precautions for ordering PT500-702T products
The power supply of the product is DC power supply. The voltage range depends on the output signal of the product. It is universal 24VDC (range: 9-30vdc) and low power consumption is 3.1-5vdc;
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 product is installed in a ventilated, dry and non corrosive environment, and installed in the open with protective devices to avoid direct sunlight;
Red copper material is used for sealing parts of high-pressure products; for high-pressure products, attention shall be paid to protect the products during commissioning and use, so as to avoid damaging the surrounding personnel or equipment due to pressure leakage during commissioning or use;
Try to avoid direct access to user devices or electrical appliances that cause interference;
