差压压力变送器 - 佛山市普量电子有限公司

产品优势：

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

产品家族：

规格参数

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

订购注意事项

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;

使用注意事项

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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