高压压力变送器 - 佛山市普量电子有限公司

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；
四位显示压力表头，显示范围：-1999-9999，采样速率：10次/S；
标准工业信号输出：4-20mA(二线制)；
数字通讯信号输出：RS485-RTU；
4-20mA(二线制)+RS485-RTU通讯双输出；
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

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;
Four digit pressure indicator, display range: - 1999-9999, sampling rate: 10 times / S;
Standard industrial signal output: 4-20mA (two-wire system);
Digital communication signal output: rs485-rtu;
4-20mA (two-wire system) + rs485-rtu communication dual output;
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
Support the user's secondary calibration, reset, anti reset, factory restoration and other operations

Structure:
Compact structure, full seal welding structure, impact resistance, fatigue resistance, high reliability and various process connection modes;
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：

油压系统
陶瓷切割
水刀机设备
供气管道

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：0～100MPa；150 MPa；200 MPa；
250 MPa；300 MPa；350 MPa；400 MPa；;
450 MPa；500 MPa；
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：4～20mA二线制；
RS485-RTU数字通讯（四线制）；
4～20mA + RS485-RTU双输出
四位显示，显示范围：-1999 - 9999
压力表头采样速率：10次/S
供电电压：24VDC(9～30VDC)
开关寿命：≥100万次
绝缘阻抗：≥1000 MΩ/100VDC
负载阻抗：电流输出: ≤800Ω
介质温度：-20～80℃
环境温度：-20～70℃
补偿温度：0～70℃
响应时间：≤10mS
过载压力：150%FS
稳定性：≤±0.15%FS/年
振动影响：≤±0.15%FS/年（机械振动频率20Hz～1000Hz）
破坏压力：3倍量程(量程小于350MPa)；2倍量程(量程大于400MPa)
电气连接：防水紧线螺母直接出线，可配套防爆电气连接
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,用户制订规格

二、规格型号

三、结构尺寸

四、电气连接

五、安装方式

1、 Technical parameters
Measuring medium: liquid and gas (compatible with connecting materials of product process)
Pressure form: gauge pressure, absolute pressure
Range: 0 ～ 100MPa; 150MPa; 200MPa;
250 MPa；300 MPa；350 MPa；400 MPa；;
450 MPa；500 MPa；
Comprehensive accuracy: ± 0.25% FS; ± 0.5% FS; ± 1% FS
Non linear: ≤ 0.25% FS
Repeatability: ≤ 0.1% FS
Output signal: 4-20mA two-wire system;
RS485-RTU；
4 ～ 20mA + rs485-rtu dual output
Four digit display, display range: - 1999 - 9999
Sampling rate of pressure gauge: 10 times / S
Power supply voltage: 24VDC (9-30vdc)
Switch life: ≥ 1 million times
Insulation impedance: ≥ 1000m Ω / 100VDC
Load impedance: current output: ≤ 800 Ω
Medium temperature: - 20-80 ℃
Ambient temperature: - 20 ～ 70 ℃
Compensation temperature: 0 ～ 70 ℃
Response time: ≤ 10ms
Overload pressure: 150% FS
Stability: ≤± 0.15% FS / year
Vibration impact: ≤± 0.15% FS / year (mechanical vibration frequency 20Hz ～ 1000Hz)
Failure pressure: 3 times of range (range less than 350Mpa); 2 times of range (range greater than 400MPa)
Electrical connection: direct outgoing line of waterproof fastening nut, supporting explosion-proof electrical connection
Protection grade: IP65
Connecting cable: four core shielded cable, standard length: 3M
Connection material: 304 / 316L
Process connection: m20x1.5, G1 / 2, user defined specification

订购注意事项

PT500-702TS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，直流12-30VDC供电；
显示表头，四位，小数位一位；

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 PT500-702TS products

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:
The selection of power supply range is determined according to the output specifications of the product:
Conventional 4-20mA, DC 12-30vdc power supply;
Display header, four places, one decimal place;

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 mode 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

PT500-702TS高压压力变送器
产品供电24VDC（范围：9-30VDC）；
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；

PT500-702TS pressure transmitter
Product power supply 24VDC (range: 9-30vdc);
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;

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