差压压力变送器 - 佛山市普量电子有限公司

产品优势：

型号：PT500-801S

进口型差压压力芯片，最大压差量程25MPa；静压最大70MPa；
304外壳材料，适用于测量液体、气体等介质差压；
四位显示表头，1位小数位；
表头采样速率：10次/S；
4-20mA二线制电流输出；
T字形结构，方便安装，M20X1.5/G1/2等过程连接；

常用关键字：
数显差压变送器数显差压传感器
数字差压变送器数字差压传感器
数显差压传感器数显差压变送器

Model: PT500-801S
Imported differential pressure chip, the maximum range of differential pressure is 25MPa, the maximum static pressure is 70MPa;
304 shell material, suitable for measuring liquid, gas and other media differential pressure;
Four digit display header, one decimal place;
Sampling rate of meter head: 10 times / S;
4-20mA two-wire current output;
T-shaped structure, easy to install, m20x1.5/g1/2 process connection;

Common keywords:
Digital differential pressure transmitter digital differential pressure sensor
Digital differential pressure transmitter digital differential pressure sensor
Digital differential pressure sensor digital differential pressure transmitter

芯片：
进口型差压压力芯片，最大压差量程25MPa；
静压最大70MPa；
3-5倍耐压，适用于测量液体、气体等介质差压测量；
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；
四位显示压力表头，显示范围：-1999-9999；
压力表头采样速率：10次/S；
标准4-20mA二线制电流环输出信号；

结构：
T字形结构，方便安装，M20X1.5/G1/2等过程连接；
结构小，标准DIN43650 (赫斯曼)电气连接出线；
配套四/五芯屏蔽电缆；

应用：
液、气等介质的差压压力测量与监控；
城市管网、设备液压系统等差压压力测量与监控；
滤网、过滤器等前后差压压力测量与监控；

Chip:

Imported differential pressure chip, the maximum differential pressure range is 25MPa;

The maximum static pressure is 70MPa;

3-5 times withstand voltage, suitable for measuring differential pressure of liquid, gas and other media;

Zero, full, temperature compensation, 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:
T-shaped structure, easy to install, m20x1.5/g1/2 process connection;
Small structure, standard din43650 (hesman) electrical connection line;
Supporting four / five core shielded cable;

Application:
Differential pressure measurement and monitoring of liquid, gas and other media;
Differential pressure measurement and monitoring of urban pipe network and equipment hydraulic system;
Differential pressure measurement and monitoring before and after filter screen, filter, etc;

应用领域：

油压系统
石油化工
石油管道
恒压供水系统

产品家族：

规格参数

一、技术参数
测量介质：液体、气体、蒸汽
压力形式：差压
量程：
0～100、200、300、500、600（KPa）；
0～1、2、3、5、10、20（MPa）；
-100KPa～-10KPa～0～100（KPa）；
±10KPa～±100KPa；
静压（耐压）：3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
四位显示，显示范围：-1999 - 9999
压力表头采样速率：10次/S

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；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100KPa)；2倍量程(量程大于100KPa)
电气连接：标准DIN43650 (赫斯曼)电气连接出线
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：304/316
过程连接：M20X1.5(通用),G1/2等……可用户制订规格

二、规格型号

三、结构尺寸

四、输出信号

Measuring medium: liquid, gas and steam
Pressure type: differential pressure
Range:
0～100、200、300、500、600（KPa）；
0～1、2、3、5、10、20（MPa）；
-100KPa～-10KPa～0～100（KPa）；
±10KPa～±100KPa；

Static pressure (pressure): 3 times of the range
Comprehensive accuracy: ±0.25% FS; ±0.5% FS; ±1% FS
Nonlinear: ≤0.5% FS
Repeatability: ≤0.25% FS
Output signal:
Current mode: 4 ～ 20mA two wire system; 4 ～ 20mA / 0-20mA three wire system
Four digit display, display range: - 1999 - 9999
Sampling rate of pressure gauge: 10 times / S

Supply voltage:24VDC(9～30VDC)
Service life: ≥ 1million times
Insulation impedance: ≥ 1000 m Ω/100VDC
Load impedance: current output: ≤ 800 Ω; voltage output:≥50KΩ
Medium temperature: -20～70 ℃/
Ambient temperature: -20～70 ℃
Compensation temperature: 0～60 ℃
Response time: ≤3MS
Overload pressure: 150% FS
Failure pressure: 3 times of range (range less than 100KPA); 2 times of range (range more than 100KPA)
Electrical connection: Standard din43650 (hesman) electrical connection outgoing line
Protection grade: IP65 / IP68
Connecting cable: four core shielded cable, standard length: 3M
Connection material: 304/316
Process connection: m20x1.5 (general), G1/2, etc Specification can be made by users

订购注意事项

PT500-801S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 PT500-801S 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；
产品测量介质为适用于测量气体、液体、蒸汽等；
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；
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 forbidden that the power supply scope of the product exceeds the specified standard of the product;

The measuring medium of the product is suitable for measuring gas, liquid, steam, etc;

It is strictly forbidden to use hard objects (such as screwdrivers, fingers, iron nails, etc.) to make the pressure diaphragm output by pressure measurement;

The power and signal wires should be correctly connected according to the specifications of the ordered products;

It is strictly forbidden that the medium temperature, pressure range and excitation voltage of the measured system exceed the rated range of the transmitter;

Attention should be paid to the protection of the outgoing cable of the transmitter. When the field use span is too large, it is recommended to use metal tube protection or overhead;

Pressure transmitter is a precision measuring instrument, do not force impact, fall, so as not to damage the core

The product is installed in a ventilated, dry and non corrosive environment, with protective devices installed in the open air to avoid direct sunlight;

It is strictly forbidden to enter water / leak water / soak water in the product instrument, and it should be installed in the open air with protective device to avoid direct sunlight;

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