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產(chǎn)品優(yōu)勢(shì)：

芯片：
平膜/隔膜感壓防堵結(jié)構(gòu)設(shè)計(jì)，適用于熔體/流體介質(zhì)；
采用進(jìn)口感壓芯片；選進(jìn)的貼片工藝；
高阻抗、高精度、高穩(wěn)定性；
膜片結(jié)構(gòu)：厚膜型壓阻式、溥膜型硅芯片、法蘭型大膜片；
100萬(wàn)次使用壽命以上；

信號(hào)處理及輸出：
24位ADC采樣處理芯片；
DSP數(shù)字信號(hào)調(diào)理算法；
多點(diǎn)性線溫度校準(zhǔn)；
電壓電流過載保護(hù)；
標(biāo)準(zhǔn)工業(yè)信號(hào)輸出：4-20mA(二線制)，0-20mA(三線制)，0-5VDC，0-10VDC，0.5-4.5VDC(三線制);
數(shù)字通訊信號(hào)輸出：RS485-RTU、超低功耗RS485-RTU
采用先進(jìn)的32bit微處理器和24bit ADC
傳輸協(xié)議采用通用的MODBUS-RTU協(xié)議
支持波特率：1200~57600bps，校驗(yàn)位：NONE、ODD、EVEN
支持用戶二次校準(zhǔn)、清零、反清零、恢復(fù)出廠等操作
支持11種單位切換，支持浮點(diǎn)型、整型、百分比、格式化輸出
采集間隔0~43200秒(12小時(shí))可設(shè)，既可連續(xù)采集，滿足高速采集的場(chǎng)合，也可單次觸發(fā)采集，最大限度降低功耗

結(jié) 構(gòu)：
厚膜結(jié)構(gòu)：深度氬弧焊接，連接彈性材料與過程接頭，強(qiáng)度高，抗沖擊，耐疲勞；
溥膜結(jié)構(gòu)：激光焊接，連接彈性材料與過程接頭，硅油介質(zhì)傳遞壓力，響應(yīng)快，耐疲勞，小量程；
工業(yè)級(jí)2088鑄鋁合金防爆殼體，強(qiáng)度可靠堅(jiān)固；
整體結(jié)構(gòu)小巧，過程連接方式多樣化（M20X1.5,G1/2 ,ZG1/2,1/2NPT(螺紋小徑≥17mm)DN50等）；
過程連接材料：304或316；

應(yīng) 用：
熔體/流體/粘稠性介質(zhì)壓力測(cè)量與控制；
工業(yè)/電力/石油/自動(dòng)化等領(lǐng)域的設(shè)備壓力測(cè)量

Chip:
Flat film / diaphragm pressure sensing and anti blocking structure design, suitable for melt / fluid medium;
Adopt imported pressure sensitive chip; select the chip technology;
High impedance, high precision and high stability;
Diaphragm structure: thick film piezoresistive, thin film silicon chip, flange type large diaphragm;
More than 1 million service life;

Signal processing and output:
24 bit ADC sampling processing chip;
DSP digital signal conditioning algorithm;
Multipoint line 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 32bit microprocessor and 24bit ADC
The transmission protocol adopts the general MODBUS-RTU protocol
Support baud rate: 1200 ~ 57600bps, check bit: none, odd, even
It supports the user's secondary calibration, clearing, anti clearing, factory restoration and other operations
Supports 11 unit switches, floating point, integer, percentage, format output
The acquisition interval of 0-43200 seconds (12 hours) can be set, which can not only continuously acquire, but also meet the occasion of high-speed acquisition, and

can trigger acquisition once, minimizing power consumption

Structure:
Thick film structure: deep argon arc welding, connecting elastic material and process joint, high strength, impact resistance, fatigue resistance;
Thin film structure: laser welding, connecting elastic materials and process joints, silicon oil medium transfer pressure, fast response, fatigue resistance, small

range;
Industrial grade 2088 cast aluminum alloy explosion-proof shell, reliable and solid strength;
The overall structure is small 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:
Melt / fluid / viscous medium pressure measurement and control;
Equipment pressure measurement in industry / power / oil / automation and other fields

應(yīng)用領(lǐng)域：

油壓系統(tǒng)
冶金設(shè)備
石油化工
石油管道

產(chǎn)品家族：

規(guī)格參數(shù)

一、技術(shù)參數(shù)
測(cè)量介質(zhì)：熔體、流體、含有雜質(zhì)的液體、氣體（如：油漆、牙膏、顏料等）
壓力形式：表壓、絕壓
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；
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(hào)：
電流型：4～20mA二線制；4～20mA/0-20mA三線制
電壓型：0～5VDC、0～10VDC、0.5～4.5VDC三線制
數(shù)字型：RS485-RTU、低功耗RS485-RTU
供電電壓：24VDC(9～30VDC)
3.1～6.1VDC（低功耗RS485-RTU）
5VDC（0.5～4.5VDC輸出型）
壽命：≥100萬(wàn)次
絕緣阻抗：≥1000 MΩ/100VDC
負(fù)載阻抗：電流輸出: ≤800Ω；電壓輸出：≥50KΩ
介質(zhì)溫度：-20～80℃
環(huán)境溫度：-20～70℃
補(bǔ)償溫度：0～70℃
響應(yīng)時(shí)間：≤5mS
過載壓力：150%FS
破壞壓力：3倍量程(量程小于40MPa)；2倍量程(量程大于41MPa)
電氣連接：防水緊線螺母直接出線，可配套防爆電氣連接
防護(hù)等級(jí)：IP65/IP68
連接電纜：四芯屏蔽電纜，標(biāo)準(zhǔn)長(zhǎng)度：3米
連接材料：304/316L
過程連接：M20X1.5,G1/2,ZG1/2，1/2NPT，DN50……可用戶制訂規(guī)格

二、規(guī)格型號(hào)

三、結(jié)構(gòu)尺寸

四、電氣連接

五、安裝方式

1、 Technical parameters
Measuring medium: melt, fluid, liquid and gas containing impurities (such as paint, toothpaste, pigment, etc.)
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:
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
Power supply voltage: 24VDC (9-30vdc)
3.1-6.1vdc (low power rs485-rtu)
5VDC (0.5-4.5vdc output type)
Service life: ≥ 1 million times
Insulation impedance: ≥ 1000m Ω / 100VDC
Load impedance: current output: ≤ 800 Ω; voltage output: ≥ 50K 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

訂購(gòu)注意事項(xiàng)

PT500-703T產(chǎn)品訂購(gòu)注意事項(xiàng)
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(dá)到最佳效果，產(chǎn)品的量程選擇參照以下公式計(jì)算：
量程 = 系統(tǒng)最大壓力 X （1.2-1.5）倍；
產(chǎn)品的實(shí)際測(cè)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：
供電范圍的選擇按產(chǎn)品的個(gè)輸出規(guī)格確定：
常規(guī)4-20mA/0-20mA、0-5V/10V輸出，直流12-30VDC供電；
通用RS485-RTU輸出，直流12-30VDC供電；
0.5-4.5VDC輸出，直流5VDC；
低功耗RS485-RTU輸出，直流3.1-6.1VDC；
RS485-RTU輸出時(shí)，請(qǐng)先了解通訊協(xié)議；

3、用戶要了解產(chǎn)品的測(cè)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(jí)；
設(shè)備的振動(dòng)范圍；
安裝方式：螺紋、法蘭、特殊結(jié)構(gòu)；
安裝空間是否滿足產(chǎn)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:
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;
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;

使用注意事項(xiàng)

產(chǎn)品供電范圍，9-30VDC（低功耗RS485輸出型為3.1-5VDC）；
嚴(yán)禁使用硬物（如：螺絲刀、手指、鐵釘?shù)龋┤ナ沟脡毫δて軌毫y(cè)量輸出；
電源和信號(hào)線按訂購(gòu)產(chǎn)品規(guī)格要求，正確接線；
產(chǎn)品安裝時(shí)，受力部位為“過程連接六方扳手位”，扳手規(guī)格與六方相對(duì)應(yīng)；
嚴(yán)禁被測(cè)系統(tǒng)的介質(zhì)溫度、壓力量程、激勵(lì)電壓超過變送器的額定使用范圍；
注意保護(hù)變送器引出電纜，現(xiàn)場(chǎng)使用跨度過大時(shí)，建議使用金屬管保護(hù)或架空；
壓力變送器屬精密計(jì)量?jī)x器，切勿強(qiáng)加沖擊、摔打，以免損壞芯體
產(chǎn)品安裝于通風(fēng)、干燥、無(wú)強(qiáng)腐蝕環(huán)境，露天安裝加防護(hù)裝置，避免陽(yáng)光直接照射；
產(chǎn)品儀表嚴(yán)禁進(jìn)水/漏水/泡水情況，露天安裝加防護(hù)裝置，避免陽(yáng)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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