產(chǎn)品優(yōu)勢：
芯? ? ? ?片：
采用進口感壓芯片；選進的貼片工藝，具有零點、滿量程補償、溫度補償；
應變計芯體，高強度彈性形變感壓材料，配有溫度補償，具有抗沖擊、耐疲勞性能優(yōu)勢；
微機械加工工藝，一體化結(jié)構(gòu)設計、整體彈性材料，無焊工藝，受壓1000MPA不會破裂，確保產(chǎn)品的安全性；
信號處理及輸出：
24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；
標準工業(yè)信號輸出：4-20mA(二線制)，0-20mA(三線制)，0-5VDC，0-10VDC，0.5-4.5VDC(三線制);
數(shù)字通訊信號輸出：RS485-RTU、超低功耗RS485-RTU
采用先進的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，校驗位：NONE、ODD、EVEN
支持用戶二次校準、清零、反清零、恢復出廠等操作
支持11種單位切換，支持浮點型、整型、百分比、格式化輸出
采集間隔0~43200秒(12小時)可設，既可連續(xù)采集，滿足高速采集的場合，也可單次觸發(fā)采集，最大限度降低功耗
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，304，四種密封方式可選：錐度密封、端面密封、弧面密封、球面密封；
電氣連接：緊線螺母密封結(jié)構(gòu)引線，防水防潮；
配套標準四芯屏蔽電纜；
應? ? ? 用：
大型液壓機械，液壓站的壓力測量；?
水刀機，陶瓷線割機壓力測量與控制；
液壓系統(tǒng)管道及液壓設備壓力測量控制；
Chip:
Adopt imported voltage sensing chip; select the chip technology, with zero, full range compensation, temperature compensation;
Strain gauge core, high-strength elastic deformation pressure sensing material, equipped with temperature compensation, has the advantages of impact resistance and fatigue resistance;
Micromachining process, integrated structural design, integral elastic material, no welding process, 1000 MPa compression will not crack, to ensure the safety of the product;
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 in a single time, minimizing power consumption
Structure:
Small structure, full seal welding structure, impact resistance, fatigue resistance, high reliability, a variety of process connection;
Process connection material, 304, four sealing methods are optional: taper seal, end face seal, arc face seal and spherical seal;
Electrical connection: tight nut sealing structure leads, waterproof and moisture-proof;
Supporting standard four core shielded cable;
Application:
Pressure measurement of large hydraulic machinery and hydraulic station;
Pressure measurement and control of water cutter and ceramic wire cutter;
Hydraulic system pipeline and hydraulic equipment pressure measurement control;
應用領域：
-
冶金設備
-
陶瓷切割
-
水刀機設備
-
石油管道
-
高壓水泵
-
液壓設備
訂購注意事項
PT500-702T產(chǎn)品訂購注意事項
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，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 PT500-702T products
1. Product range selection:
In order to achieve the best effect of product accuracy, service life, stability and other functions, the range selection of the product
Select the following formula for calculation:
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;
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
PT500-702T產(chǎn)品使用注意事項
產(chǎn)品供電為直流供電，電壓范圍視產(chǎn)品輸出信號確定，通用24VDC（范圍：9-30VDC），低功耗3.1-5VDC；
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；
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；
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；
高壓產(chǎn)品密封件使用紫銅材料；高壓壓力產(chǎn)品，調(diào)試使用過程中注意對產(chǎn)品做好防護，避免在調(diào)試或使用過程中，壓力泄露傷及周圍人員或損壞設備；
盡量避免直接接近引起干擾的用戶裝置或電器；
Precautions for ordering PT500-702T products
The power supply of the product is DC power supply. The voltage range depends on the output signal of the product. It is universal 24VDC (range: 9-30vdc) and low power consumption is 3.1-5vdc;
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 product is installed in a ventilated, dry and non corrosive environment, and installed in the open with protective devices to avoid direct sunlight;
Red copper material is used for sealing parts of high-pressure products; for high-pressure products, attention shall be paid to protect the products during commissioning and use, so as to avoid damaging the surrounding personnel or equipment due to pressure leakage during commissioning or use;
Try to avoid direct access to user devices or electrical appliances that cause interference;
