隔爆压力变送器PT500-705G
型号:PT500-705G
采用精密稳定感压芯片;选进的贴片工艺;
隔爆结构设计,防护等级:IP67;
高精度、稳定、数字标定调节、放大集成电路;
工业级304/316材料防爆壳体,强度可靠坚固;
可替代国外同类型产品;

常用关键字:
隔爆压力变送器 隔爆压力传感器 IP67压力变送器
电站压力变送器 化工压力传感器 油厂压力传感器
产品优势:


芯       片:
采用精密稳定感压芯片;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);

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

数字通讯信号输出:Can2.0B
测量速率:10...1000Hz 可设置,默认 50Hz

CANopen输出内置 完整的 CANopen 协议栈,符合 DS301、DS404 规范,支持 LSS 服务,支持 BootLoader 在线 升级;
支持波特率(kbps)20/50/100/125/250(默认)/500/800/1000;支持特性 NMT/Heartbeat/SDO/PDO/LSS/Bootloader;CANopen 协议栈可以根据用户的要求进行定制;

J1939输出内置 J1939 协议栈,可以自由配置 PGN、SPN 以及 NAME,支持 BootLoader 在线升级;
支持波特率(kbps)20/50/100/125/250(默认)/500/800/1000

支持特性PGN、SPN、NAME等自由配置,J1939 协议栈可以根据用户的要求进行定制;

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304/316材料防爆壳体,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:
电站、油厂、化工等工况的压力测量与监控;
自动化等领域对产品具备隔爆要求的设备压力测量;


Chip:
It adopts precision stable pressure sensitive chip and selective placement technology;
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);

Digital communication signal output: rs485-rtu, ultra-low power rs485-rtu
Advanced 32 bit microprocessor and 24 bit ADC are adopted
The transmission protocol is MODBUS-RTU
Support baud rate: 1200 ~ 57600bps, check bits: none, odd, even
Support the user's secondary calibration, reset, anti reset, restore factory operations
Support 11 kinds of units switching, support floating point, integer, percentage, formatted output
The acquisition interval of 0 ~ 43200 seconds (12 hours) can be set, which can not only meet the needs of high-speed acquisition, but also trigger acquisition once to minimize power consumption

Digital communication signal output: CAN2.0B
Measurement rate: 10... 1000Hz can be set, the default is 50 Hz

CANopen output built-in complete CANopen protocol stack, in line with ds301, ds404 specifications, support LSS services, support bootloader online upgrade;
Support baud rate (kbps) 20 / 50 / 100 / 125 / 250 (default) / 500 / 800 / 1000; support features of NMT / heartbeat / SDO / PDO / LSS / bootloader; CANopen protocol stack can be customized according to user requirements;

J1939 output has built-in J1939 protocol stack. PGN, SPN and name can be configured freely, and bootloader online upgrade is supported;
Support baud rate (kbps) 20 / 50 / 100 / 125 / 250 (default) / 500 / 800 / 1000; support free configuration of features such as PGN, SPN and name
The J1939 protocol stack can be customized according to the user's requirements;

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 304 / 316 material explosion-proof shell, reliable and strong 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:
Pressure measurement and monitoring of power station, oil plant, chemical industry, etc;
Pressure measurement of equipment with flameproof requirements for products in automation and other fields;

应用领域:
  • 消防系统

  • 天然气管道

  • 石油化工

  • 供气系统

规格参数
一、技术参数
测量介质:液体、气体、蒸汽等
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:≤0.15%FS
输出信号:
电流型:4~20mA二线制;4~20mA/0-20mA三线制
电压型:0~5VDC、0~10VDC、0.5~4.5VDC三线制
数字型:RS485-RTU、低功耗RS485-RTU
Can2.0B(支持CANopen、J1939 协议)
供电电压:
24VDC(9~30VDC)通用型 
3.1~6.1VDC(低功耗RS485-RTU)
5VDC(0.5~4.5VDC输出型)
寿    命:≥100万次
绝缘阻抗:≥1000 MΩ/100VDC
负载阻抗:电流输出: ≤800Ω;电压输出:≥50KΩ
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:IP67
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





Measuring medium: liquid, gas, steam, etc
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
Nonlinearity: ≤ 0.25% FS
Repeatability: ≤ 0.15% FS
Output signal:
Current type: 4-20mA two-wire system; 4-20mA / 0-20mA three-wire system
Voltage type: 0 ~ 5VDC, 0 ~ 10VDC, 0.5 ~ 4.5vdc three wire system
Digital type: rs485-rtu, low power rs485-rtu
CAN2.0B (supports CANopen, J1939 Protocol)
Supply voltage:
24 VDC (9 ~ 30 VDC) universal type
3.1 ~ 6.1vdc (low power rs485-rtu)
5VDC (0.5 ~ 4.5vdc output type)
Service life: ≥ 1 million times
Insulation impedance: ≥ 1000 m Ω / 100VDC
Load impedance: current output: ≤ 800 Ω; voltage output: ≥ 50K 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 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: IP67
Connecting cable: four core shielded cable, standard length: 3M
Connection material: 304 / 316L
Process connection: m20x1.5, G1 / 2, ZG1 / 2, 1 / 2NPT, DN50 Specification can be made by users

订购注意事项
PT500-705G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;
   低功耗输出供电范围:3.6VDC(3-5VDC)

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:
   隔爆防护等级能否满足现场工况要求;
   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 PT500-705G 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 / 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 output power supply range: 3.6vdc (3-5vdc)

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:
Whether the flameproof protection level can meet the requirements of field conditions;
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,不同的产品信号输出规格对应不同的供电范围要求;
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;

Different product signal output specifications correspond to different power supply range requirements;
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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