可替代DAVS压力变送器
PT500-DAVS压力变送器
采用纯国产感压芯片;选进的贴片工艺;
高精度、稳定、数字标定调节、放大集成电路;
输出信号4-20mA二线制;
可替代Hirschmann品牌DAVS系列产品;
M12一体连接器;

常用关键字:
DAVS压力变送器 替代DAVS变送器 替换DAVS变送器
Hirschmann传感器 Hirschmann变送器
产品优势:

PT500-DAVS压力变送器
采用纯国产感压芯片;选进的贴片工艺;
高精度、稳定、数字标定调节、放大集成电路;
输出信号4-20mA二线制;
可替代Hirschmann品牌DAVS系列产品;
M12一体连接器;

常用关键字:
DAVS压力变送器  替代DAVS变送器 替换DAVS变送器
Hirschmann传感器  Hirschmann变送器


PT500-DAVS Pressure Transmitter
It adopts pure domestic pressure sensitive chip and selective placement technology;
High precision, stable, digital calibration adjustment, amplification integrated circuit;
Output signal 4-20mA two-wire system;
It can replace Hirschmann Davs series products;
M12 integrated connector;

Common keywords:
Davs pressure transmitter replaces Davs transmitter replaces Davs transmitter
Hirschmann sensor Hirschmann transmitter

芯       片:
采用纯国产感压芯片;
选进的贴片工艺;
零点、满度,温补、线性补偿;
高阻抗、高精度、高稳定性;
100万次使用寿命以上;

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);
采用先进的32bit微处理器和24bit ADC

结       构:
厚膜结构:深度氩弧焊接,连接弹性材料与过程接头,强度高,抗冲击,耐疲劳;
溥膜结构:激光焊接,连接弹性材料与过程接头,硅油介质传递压力,响应快,耐疲劳,小量程;
304/316壳体,强度可靠坚固;
整体结构小巧,整体尺寸:直径19X长65mm,过程连接标准G1/4;
过程连接材料:304或316;

应      用:
油压、水压、气压压力测量与监控;
工业/电力/石油/自动化等领域的设备压力测量;

Chip:
Pure domestic pressure sensing chip is used;
The selected placement process;
Zero point, fullness, temperature compensation and linear compensation;
High impedance, high precision and high stability;
More than 1 million times of service life;

Signal processing and output:
24 bit ADC sampling and processing chip;
DSP digital signal conditioning algorithm;
Multipoint linear 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);
Advanced 32 bit microprocessor and 24 bit ADC are adopted

Structure:
Thick film structure: deep argon arc welding, connecting elastic material and process joint, high strength, impact resistance and fatigue resistance;
PU film structure: laser welding, connecting elastic material and process joint, transmitting pressure with silicone oil medium, fast response, fatigue resistance, small range;
304 / 316 shell, reliable and strong strength;
The overall size is 19x in diameter and 65mm in length. The process connection standard is G1 / 4;
Process connection material: 304 or 316;

Application:
Measurement and monitoring of oil pressure, water pressure and air pressure;
Equipment pressure measurement in industrial / power / Petroleum / automation fields;



应用领域:
  • 智慧城市

  • 油压系统

  • 冶金设备

  • 石油化工

规格参数
PT500-DAVS压力变送器主要技术参数:

测量介质:液体、气体、蒸汽等
压力形式:表压
量    程:0~60bar;
0~300bar;
0~400bar;
0~600bar;
综合精度:±0.1%FS;±0.25%FS;±0.5%FS;
非 线 性:≤0.25%FS
重 复 性:≤0.1%FS
输出信号:电流型:4~20mA二线制;
供电电压:24VDC(9~30VDC)
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:-40~70℃
补偿温度:0~70℃
响应时间:≤5mS
过载压力:150%FS
破坏压力:3倍量程(量程小于40MPa);2倍量程(量程大于41MPa)
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:IP68
连接电缆:M12航连接器
连接材料:304/316L

过程连接:G1/4




Main technical parameters of pt500-davs pressure transmitter:

Measuring medium: liquid, gas, steam, etc
Pressure form: gauge pressure
Range: 0~60bar;
0~300bar;
0~400bar;
0~600bar;
Comprehensive accuracy: ± 0.1% FS; ± 0.25% FS; ± 0.5% FS;
Nonlinearity: ≤ 0.25% FS
Repeatability: ≤ 0.1% FS
Output signal: current type: 4-20mA two-wire system;
Power supply voltage: 24 VDC (9 ~ 30 VDC)
Service life: ≥ 1 million times
Insulation impedance: ≥ 1000 m Ω / 100VDC
Load impedance: current output: ≤ 800 Ω;
Medium temperature: - 20 ~ 80 ℃
Ambient temperature: - 40 ~ 70 ℃
Compensation temperature: 0 ~ 70 ℃
Response time: ≤ 5ms
Overload pressure: 150% FS
Failure pressure: 3 times of measuring range (less than 40MPa); 2 times of measuring range (measuring range greater than 41mpa)
Electrical connection: Waterproof tight wire nut directly leads out, can be matched with explosion-proof electrical connection
Protection grade: IP68
Connecting cable: M12 aviation connector
Connection material: 304 / 316L
Process connection: G1 / 4

订购注意事项
PT500-DAVS压力变送器产品订购注意事项
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输出,直流12-30VDC供电;

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;
安装方式:螺纹、法兰、特殊结构;
安装空间是否满足产品外形尺寸;


Precautions for ordering PT500-DAVS 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 output, DC 12-30vdc power supply;

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;
Installation method: thread, flange, special structure;
Whether the installation space meets the overall dimension of the product;

使用注意事项
产品供电范围,9-30VDC;
严禁使用硬物(如:螺丝刀、手指、铁钉等)去使得压力膜片受压力测量输出;
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;
产品仪表严禁进水/漏水/泡水情况,露天安装加防护装置,避免阳光直接照射;

Product power supply range, 9-30vdc ;
It is strictly prohibited to use hard objects (such as screwdriver, finger, iron nail, etc.) to make the pressure diaphragm output under pressure measurement;
The power and signal wires shall be correctly wired according to the specifications of the ordered products;
During product installation, 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;
It is strictly prohibited to enter / leak / soak water in the product instrument, and protective devices shall be installed in the open to avoid direct sunlight;

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