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產(chǎn)品優(yōu)勢：

芯片：

進口品牌感壓芯片晶圓；
選進的貼片工藝及全密封封裝；

信號處理及輸出：
32位ADC采樣處理芯片；
DSP數(shù)字信號調(diào)理算法；
多點性線溫度校準；
電壓電流過載保護；
超低功耗的穩(wěn)定放大集成電路，待機電流小于50uA，工作電流小于1.5mA；
低電壓供電3-5VDC，適用于鋰電池、USB供電；
TTL MODBUS-TRU標準通訊協(xié)議，直接對接單片機數(shù)據(jù)采集；

結(jié) 構(gòu)：
結(jié)構(gòu)小巧、全封焊結(jié)構(gòu)、抗沖擊、耐疲勞、可靠性高、多種過程連接方式
過程連接材料，304/316；
電氣連接：DIN43650赫斯曼標準電氣連接器；
配套標準四芯屏蔽電纜；

應(yīng) 用：
管道水壓及水壓設(shè)備壓力測量
液壓系統(tǒng)管道及液壓設(shè)備壓力測量
智慧城市給水管網(wǎng)壓力監(jiān)控
智能消防水壓壓力監(jiān)控
其它民用/工業(yè) 自動化領(lǐng)域的壓力測量

Common keywords:
Digital pressure transmitter low power consumption pressure transmitter
TTL pressure transmitter low power pressure transmitter
Digital pressure sensor low power pressure sensor

Chip:
Imported brand pressure sensitive chip wafer;
Selected chip technology and full sealed package;

Signal processing and output:
32-bit ADC sampling and processing chip;
DSP digital signal conditioning algorithm;
Multipoint linear temperature calibration;
Voltage and current overload protection;
The stable amplifier IC with ultra-low power consumption has a standby current of less than 50ua and a working current of less than 1.5mA;
Low voltage power supply 3-5vdc, suitable for lithium battery and USB power supply;
TTL modbus-tru standard communication protocol, direct docking single chip data acquisition;

Structure:
Compact structure, full seal welding structure, impact resistance, fatigue resistance, high reliability, a variety of process connection mode
Process connection material, 304 / 316;
Electrical connection: din43650 hesman standard electrical connector;
Supporting standard four core shielded cable;

Application:
Pipeline water pressure and pressure measurement of hydraulic equipment
Pressure measurement of hydraulic system pipeline and hydraulic equipment
Pressure monitoring of water supply network in smart city
Intelligent fire water pressure monitoring
Pressure measurement in other fields of civil / industrial automation

應(yīng)用領(lǐng)域：

智慧消防
智慧城市
油壓系統(tǒng)
消防系統(tǒng)

產(chǎn)品家族：

規(guī)格參數(shù)

一、技術(shù)參數(shù)
測量介質(zhì)：液體、氣體（與產(chǎn)品過程連接材料兼容）
壓力形式：表壓、絕壓
量程：0～0.6～60MPa
-0.1～0～0.6～5MPa
-100KPa～10KPa～40MPa
±10KPa～±100KPa
綜合精度：±0.25%FS；±0.5%FS；±1%FS
非線性：≤0.25%FS
重復(fù) 性：≤0.1%FS
輸出信號：TTL MODBUS-RTU數(shù)字通訊
供電電壓：3.6VDC(3～5VDC)
絕緣阻抗：≥1000 MΩ/100VDC
介質(zhì)溫度：-20～80℃
環(huán)境溫度：-20～70℃
補償溫度：0～70℃
響應(yīng)時間：≤5mS
過載壓力：150%FS
破壞壓力：5倍量程(量程小于5MPa)；3倍量程(量程大于5MPa)
電氣連接：赫斯曼(DIN43650)
防護等級：IP65
連接電纜：四芯屏蔽電纜，標準長度：3米
連接材料：304/316L
過程連接：M20X1.5,G1/2,G1/4,ZG1/4,1/4NPT,ZG1/2,G3/8,M12X1.5……

二、規(guī)格型號

三、結(jié)構(gòu)尺寸

四、電氣連接

五、安裝方式

訂購注意事項

PT500-540 TTL數(shù)字壓力變送器訂購注意事項
1、產(chǎn)品量程選擇：
為了使產(chǎn)品精度、壽命、穩(wěn)定性等功能達到最佳效果，產(chǎn)品的量程選擇參照以下公式計算：
量程 = 系統(tǒng)最大壓力 X （1.2-1.5）倍；
產(chǎn)品的實際測量壓力范圍，應(yīng)該在量程范圍的15%-80%；

2、產(chǎn)品供電及輸出：
供電范圍3-5VDC：
低功耗TTL-RTU輸出；
請先了解通訊協(xié)議；

3、用戶要了解產(chǎn)品的測量介質(zhì)特性：
介質(zhì)規(guī)格、介質(zhì)溫度、介質(zhì)純度（是否含有雜質(zhì)或顆粒等）；

4、用戶要了解產(chǎn)品的安裝環(huán)境及安裝方式：
室內(nèi)或室外安裝；
環(huán)境溫度；
要求的密封等級；
設(shè)備的振動范圍；
壓力密封方式：錐度密封、端面密封、弧面密封、球面密封；
安裝空間是否滿足產(chǎn)品外形尺寸；

Precautions for ordering PT500-540 TTL digital pressure transmitter
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:
Power supply range 3-5vdc:
Low power ttl-rtu output;
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;
Pressure seal: taper seal, face seal, arc seal, spherical seal;
Whether the installation space meets the overall dimension of the product;

使用注意事項

PT500-540 TTL數(shù)字壓力變送器使用注意事項
產(chǎn)品供電3.6VDC（范圍：3-5VDC）；
嚴禁使用硬物（如：螺絲刀、手指、鐵釘?shù)龋┤ナ沟脡盒倔w受壓力測量輸出；
電源和信號線按訂購產(chǎn)品規(guī)格要求，正確接線；
產(chǎn)品安裝時，受力部位為“過程連接六方扳手位”，扳手規(guī)格與六方相對應(yīng)；
嚴禁被測系統(tǒng)的介質(zhì)溫度、壓力量程、激勵電壓超過變送器的額定使用范圍；
注意保護變送器引出電纜，現(xiàn)場使用跨度過大時，建議使用金屬管保護或架空；
壓力變送器屬精密計量儀器，切勿強加沖擊、摔打，以免損壞芯體；
產(chǎn)品安裝于通風、干燥、無強腐蝕環(huán)境，露天安裝加防護裝置，避免陽光直接照射；

Precautions for PT500-540 TTL digital pressure transmitter
Product power supply 3.6vdc (range: 3-5vdc);
It is strictly prohibited to use hard objects (such as screwdriver, finger, iron nail, etc.) to make the pressure core body under pressure measurement output;
The power and signal wires shall be correctly wired according to the specifications of the ordered products;
When the product is installed, 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;

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