工业型485压力变送器PT500-2088T
型号:PT500-2088T
进口压力芯体;
小量程芯片:充油硅芯片;
大量程芯片:压阻式厚膜芯片;
32bit微处理器和24bit ADC高精度、稳定、数字放大电路;
零点、满度,温补、线性补偿;
MODBUS RS485-RTU数字输出/低功耗RS485-RTU数字输出;
工业级2088铸铝合金防爆壳体;

常用关键字:
RS485压力变送器 数字压力传感器
Modbus压力变送器 485-RTU压力传感器
工业级数字压力变送器 智能数字压力变送器
产品优势:

芯       片:
进口压力芯体;
小量程芯片:充油硅芯片;
大量程芯片:压阻式厚膜芯片;
零点、满度,温补、线性补偿;
100万次使用寿命以上;

信号处理及输出:
32bit微处理器和24bit ADC;
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;
MODBUS RS485-RTU数字输出/低功耗RS485-RTU数字输出两种类型输出方式;
低功耗型:待机电流小于50uA,采集电流小于2mA;
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:
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;
工业级2088铸铝合金防爆壳体,强度可靠坚固;
整体结构小巧,过程连接方式多样化(M20X1.5,G1/2 ,ZG1/2,1/2NPT(螺纹小径≥17mm)DN50等);
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:
Inlet pressure core body;
Small range chip: oil filled silicon chip;
Large range chip: piezoresistive thick film chip;
Zero point, fullness, temperature compensation and linear compensation;
More than 1 million times of service life;

Signal processing and output:
32 bit microprocessor and 24 bit ADC;
DSP digital signal conditioning algorithm;
Multipoint linear temperature calibration;
Voltage and current overload protection;
Two kinds of low power consumption of RS485 digital output mode are provided;
Low power consumption: standby current is less than 50ua, acquisition current is less than 2mA;
The acquisition interval of 0 ~ 43200 seconds (12 hours) can be set, which can not only continuously collect data, but also meet the needs of high-speed acquisition;
It can also trigger acquisition once to minimize power consumption;
Industrial and design, suitable for DCS system, configuration software, PLC system;

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;
Industrial grade 2088 cast aluminum alloy explosion-proof shell with reliable strength;
The overall structure is compact, and the process connection mode is diversified (m20x1.5, G1 / 2, ZG1 / 2, 1 / 2NPT (thread diameter ≥ 17mm) DN50, etc.);
Process connection material: 304 or 316;

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

应用领域:
  • 智慧消防

  • 蒸汽供给系统

  • 油压系统

  • 冶金设备

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、1、2、5、10、15、20、25、30、40、50、60、100(MPa);
            0~10、20、30、50、100、150、200、300、400、500、600(KPa);
            -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:MODBUS RS485-RTU(四线制)
              低功耗MODBUS RS485-RTU(四线制)
供电电压:通用型:24VDC(9~30VDC) 
              低功耗型:3.6VDC(3.1~6.1VDC)
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:≤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:IP65/IP68
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,ZG1/2,1/2NPT,DN50……可用户制订规格

二、规格型号

三、结构尺寸

四、电气连接

五、安装方式

Technical parameters
Pressure form: gauge pressure, absolute pressure
Range: 0 ~ 0.6, 1, 2, 5, 10, 15, 20, 25, 30, 40, 50, 60, 100 (MPA);
       0~10、20、30、50、100、150、200、300、400、500、600(KPa);
       -100KPa~10KPa~40MPa;
       ±10KPa~±100KPa;
Comprehensive accuracy: ± 0.25% FS; ± 0.5% FS; ± 1% FS
Non linear: ≤ 0.25% FS
Repeatability: ≤ 0.1% FS
Output signal: 
      Modbus rs485-rtu (four wire system)
      Low power consumption Modbus rs485-rtu (four wire system)
Power supply voltage: 
      universal type: 24 VDC (9 ~ 30 VDC)
      Low power consumption type: 3.6vdc (3.1 ~ 6.1vdc)
Service 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: ≤ 5ms
Overload pressure: 150% FS
Failure pressure: 3 times of range (range less than 40MPa); 2 times of range (range greater than 41mpa)
Electrical connection: direct outgoing line of waterproof fastening nut, supporting explosion-proof electrical connection
Protection grade: IP65 / IP68
Connecting cable: four core shielded cable, standard length: 3M
Connection material: 304 / 316L
Process connection: m20x1.5, G1/2, ZG1/2, 1/2NPT, DN50 Specifications can be made by users
订购注意事项
PT500-2088T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:
   通用RS485-RTU输出,直流12-30VDC供电;
   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;
   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;

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:
General rs485-rtu output, DC 12-30vdc power supply;
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;
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(低功耗RS485输出型为3.1-5VDC)
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 (low power RS485 output type is 3.1-5vdc);
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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