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
规格参数
订购注意事项
使用注意事项
常见问题
我要提建议

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
石油管道
液压设备

产品家族：

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

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;

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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