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微差压变送器PT500-802
型号:PT500-802
进口型微压差压力芯片,最少压差100Pa;
3-5倍耐压,适用于干燥性气体压差测量;
高精度、稳定、数字标定调节、放大集成电路;
零点、满度,温补、线性补偿;
铝合金氧化外壳;8mm+M10快速插头过程连接;

常用关键字:
微差压变送器 微差压传感器
微压差压力变送器 微压差压力传传感器
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型号:PT500-802
进口型微压差压力芯片,最少压差100Pa;
3-5倍耐压,适用于干燥性气体压差测量;
高精度、稳定、数字标定调节、放大集成电路;
零点、满度,温补、线性补偿;
铝合金氧化外壳;8mm+M10快速插头过程连接;

常用关键字:
微差压变送器  微差压传感器
微压差压力变送器 微压差压力传传感器

Model: PT500-802
The minimum differential pressure is 100Pa;
3-5 times withstand voltage, suitable for dry gas differential pressure measurement;
High precision, stable, digital calibration adjustment, amplification integrated circuit;
Zero point, fullness, temperature compensation and linear compensation;
Aluminum alloy oxidation shell; 8mm + m10quick plug process connection;

Common keywords:
Micro differential pressure transmitter micro differential pressure sensor
Micro differential pressure transmitter


芯       片:
进口型微压差压力芯片,最少压差100Pa;
3-5倍耐压,适用于干燥性气体压差测量;
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:
铝合金氧化外壳;8mm+M10快速插头过程连接;
结构小,紧线螺母防水出线方式电气连接;
配套四/五芯屏蔽电缆;

应      用:
负压、无尘车间、科室等压力测量与监控;
楼宇、通风等压力测量与监控;
吸尘管道,废气处理等压力测量与监控;



Chip:
The minimum differential pressure is 100Pa;
3-5 times withstand voltage, suitable for dry gas differential pressure measurement;
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:
Aluminum alloy oxidation shell; 8mm + m10quick plug process connection;
Small structure, tight wire nut waterproof, electrical connection;
Supporting four / five core shielded cable;

Application:
Pressure measurement and monitoring of negative pressure, dust-free workshop, Department, etc;
Pressure measurement and monitoring of buildings, ventilation, etc;
Pressure measurement and monitoring of dust collection pipeline, waste gas treatment, etc;

应用领域:
  • 智慧城市

  • 消防系统

  • 天然气管道

  • 送风系统

  • 供气系统

  • 供气管道

一、技术参数
测量介质:干燥性气体
压力形式:差压
量    程:
0~100、200、300、500、1000(Pa);
0~1、2、3、5、10、20、30、40、50、70、100(KPa);
-100KPa~-10KPa~0~100(KPa); 
±500Pa~±100KPa;
静压(耐压):3~5倍量程
综合精度:±0.25%FS;±0.5%FS;±1%FS
非 线 性:≤0.5%FS
重 复 性:≤0.25%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) 
5VDC(0.5~4.5VDC输出型)
3.1~6.1VDC(低功耗RS485-RTU)
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:-20~70℃/
环境温度:-20~70℃
补偿温度:0~60℃
响应时间:≤3mS
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:紧线螺母,标准长度:3米
连接材料:铝合金
过程连接:φ8快速插头+M10螺纹(通用)……可用户制订规格

二、规格型号

三、结构尺寸

四、输出信号

Measuring medium: dry gas
Pressure form: differential pressure
Range:
0~100、200、300、500、1000(Pa);
0~1、2、3、5、10、20、30、40、50、70、100(KPa);
-100KPa~-10KPa~0~100(KPa);
±500Pa~±100KPa;

Static pressure (withstand voltage): 3 ~ 5 times of measuring range
Comprehensive accuracy: ± 0.25% FS; ± 0.5% FS; ± 1% FS
Nonlinearity: ≤ 0.5% FS
Repeatability: ≤ 0.25% 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:
24VDC(9~30VDC)
5VDC (0.5 ~ 4.5vdc output type)
3.1 ~ 6.1vdc (low power rs485-rtu)

Service life: ≥ 1 million times
Insulation impedance: ≥ 1000 m Ω / 100VDC
Load impedance: current output: ≤ 800 Ω; voltage output: ≥ 50K Ω
Medium temperature: - 20 ~ 70 ℃/
Ambient temperature: - 20 ~ 70 ℃
Compensation temperature: 0 ~ 60 ℃
Response time: ≤ 3MS
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: IP65 / IP68
Connecting cable: tightening nut, standard length: 3M
Connection material: aluminum alloy
Process connection: φ 8 quick plug + M10 thread (Universal) Specification can be made by users

PT500-802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%;
   静压(耐压)为量程值的3到5倍,即高压端最大压力值;

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;

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 PT500-802 products
1. Product range selection:
In order to achieve the best effect of product precision, life, stability and other functions, the range selection of the product is calculated according 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 measuring range;
The static pressure (withstand voltage) is 3 to 5 times of the range value, that is, the maximum pressure value at the high pressure end;

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;

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;


严禁产品供电范围超过产品规定标准;
产品测量介质为:干燥性气体,严禁用于测量液体、蒸汽或湿度大气体介质;
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,引压管采用8mm硬质气管,防止气体压力使用气管膨胀;
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;


It is strictly prohibited that the power supply scope of the product exceeds the specified standard of the product;
The measuring medium of the product is: dry gas. It is forbidden to measure liquid, steam or gas medium with high humidity;
It is forbidden to use hard objects (such as: screwdrivers, fingers, nails, etc.) to make the pressure diaphragm output by pressure measurement;
The power supply and signal line should be connected correctly according to the product specification;
When the product is installed, the pressure pipe is made of 8mm hard gas pipe to prevent the expansion of the gas pipe under gas pressure;
It is strictly prohibited that the medium temperature, pressure range and excitation voltage of the measured system exceed the rated range of the transmitter;
Pay attention to protect the outgoing cable of transmitter. When the span is too large, it is recommended to use metal tube for protection or overhead;
Pressure transmitter is a kind of precision measuring instrument. Do not force impact and fall to avoid damaging the core body
The product is installed in a ventilated, dry and non corrosive environment. It is installed in the open air with protective devices to avoid direct sunlight;
Do not let water / water leak / soak into the instrument. Install protective devices in the open air to avoid direct sunlight;

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