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產(chǎn)品優(yōu)勢：

型號：PT500-707
精密穩(wěn)定壓力芯體；
冷媒介質(zhì)（空調(diào)、冷庫等）過程連接結(jié)構(gòu)設(shè)計；
不銹鋼過程連接,7/16-20NUF標(biāo)準(zhǔn)螺紋；
抗疲勞、耐沖擊、良好的重復(fù)性能；
可替代同類型國外產(chǎn)品；

常用關(guān)鍵字：
冷媒壓力變送器冷媒壓力傳感器
空調(diào)壓力變送器空調(diào)壓力傳感器

Model: PT500-707
Precision stable pressure core body;
Process connection structure design of refrigerant medium (air conditioning, cold storage, etc.);
Stainless steel process connection, 7 / 16-20nuf standard thread;
Fatigue resistance, impact resistance and good repeatability;
It can replace the same type of foreign products;

Common keywords:
Refrigerant pressure transmitter refrigerant pressure sensor

Air conditioning pressure transmitter air conditioning pressure sensor

芯片：
采用精密穩(wěn)定感壓芯片；選進(jìn)的貼片工藝；
小量程芯片：充油硅芯片；
大量程芯片：壓阻式厚膜芯片；
零點(diǎn)、滿度，溫補(bǔ)、線性補(bǔ)償；
高阻抗、高精度、高穩(wěn)定性；
100萬次使用壽命以上；

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(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(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)可設(shè)，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

數(shù)字通訊信號輸出：Can2.0B
測量速率：10...1000Hz 可設(shè)置，默認(rèn) 50Hz

CANopen輸出內(nèi)置完整的 CANopen 協(xié)議棧，符合 DS301、DS404 規(guī)范，支持 LSS 服務(wù)，支持 BootLoader 在線升級；
支持波特率(kbps)20/50/100/125/250(默認(rèn))/500/800/1000；支持特性 NMT/Heartbeat/SDO/PDO/LSS/Bootloader；CANopen 協(xié)議?？梢愿鶕?jù)用戶的要求進(jìn)行定制；

J1939輸出內(nèi)置 J1939 協(xié)議棧，可以自由配置 PGN、SPN 以及 NAME，支持 BootLoader 在線升級；支持波特率(kbps)20/50/100/125/250(默認(rèn))/500/800/1000；支持特性PGN、SPN、NAME等自由配置，J1939 協(xié)議?？梢愿鶕?jù)用戶的要求進(jìn)行定制；

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；
冷媒介質(zhì)（空調(diào)、冷庫等）過程連接結(jié)構(gòu)設(shè)計；
不銹鋼過程連接,7/16-20NUF標(biāo)準(zhǔn)螺紋；
抗疲勞、耐沖擊、良好的重復(fù)性能；
過程連接材料：304或316；

應(yīng) 用：
空調(diào)、冷庫等冷媒介質(zhì)的壓力測量與控制；
樓宇/工業(yè)/電力/石油/自動化等領(lǐng)域的設(shè)備壓力測量；

Chip:
It adopts precision stable pressure sensitive chip and selective placement technology;
Small range chip: oil filled silicon chip;
Large range chip: piezoresistive thick film chip;
Zero point, fullness, temperature compensation and 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:
Deep argon arc welding, connecting elastic material and process joint, high strength, impact resistance and fatigue resistance;
Process connection structure design of refrigerant medium (air conditioning, cold storage, etc.);
Stainless steel process connection, 7 / 16-20nuf standard thread;
Fatigue resistance, impact resistance and good repeatability;
Process connection material: 304 or 316;

Application:
Pressure measurement and control of air conditioning, cold storage and other refrigerant media;
Pressure measurement of equipment in building / industry / power / Petroleum / automation fields;

應(yīng)用領(lǐng)域：

中央空調(diào)機(jī)組
空壓機(jī)組
供氣系統(tǒng)
供氣管道

產(chǎn)品家族：

規(guī)格參數(shù)

一、技術(shù)參數(shù)
測量介質(zhì)：冷媒、液體、氣體等
壓力形式：表壓、絕壓
量程：
0～0.6、1、2、5、10、15、20、25、30、40、50、60（MPa）；
0～10、20、30、50、100、150、200、300、400、500、600（KPa）；
±10KPa～±100KPa；
綜合精度：±0.25%FS；±0.5%FS；±1%FS
非線性：≤0.25%FS
重復(fù) 性：≤0.15%FS
壓力輸出信號：
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
供電電壓：
5VDC（0.5～4.5VDC輸出型）
24VDC(9～30VDC)通用型
壽命：≥100萬次
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；
防護(hù)等級：IP67/IP68
連接電纜：四芯屏蔽電纜，標(biāo)準(zhǔn)長度：3米
連接材料：304/316L

二、規(guī)格型號

三、結(jié)構(gòu)尺寸

四、電氣連接

五、安裝方式

Measuring medium: liquid, gas, steam, etc
Measuring medium: refrigerant, liquid, gas, etc
Pressure form: gauge pressure, absolute pressure
Range:
0～0.6、1、2、5、10、15、20、25、30、40、50、60（MPa）；
0～10、20、30、50、100、150、200、300、400、500、600（KPa）；
±10KPa～±100KPa；
Comprehensive accuracy: ± 0.25% FS; ± 0.5% FS; ± 1% FS
Nonlinearity: ≤ 0.25% FS
Repeatability: ≤ 0.15% FS
Pressure 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
Supply voltage:
5VDC (0.5 ～ 4.5vdc output type)
24 VDC (9 ～ 30 VDC) universal type
Service life: ≥ 1 million times
Insulation impedance: ≥ 1000 m 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 measuring range (less than 40MPa); 2 times of measuring range (measuring range greater than 41mpa)
Electrical connection: Waterproof tight wire nut directly leads out;
Protection grade: IP67 / IP68
Connecting cable: four core shielded cable, standard length: 3M
Connection material: 304 / 316L

訂購注意事項(xiàng)

PT500-707產(chǎn)品訂購注意事項(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算：
量程 = 系統(tǒng)最大壓力 X （1.2-1.5）倍；
產(chǎn)品的實(shí)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；
低功耗輸出供電范圍：3.6VDC（3-5VDC）

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：
隔爆防護(hù)等級能否滿足現(xiàn)場工況要求；
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；
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；

Precautions for ordering PT500-707 products
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 output power supply range: 3.6vdc (3-5vdc)

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:
Whether the flameproof protection level can meet the requirements of field conditions;
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，不同的產(chǎn)品信號輸出規(guī)格對應(yīng)不同的供電范圍要求；
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(yán)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(hù)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(hù)或架空；
壓力變送器屬精密計量儀器，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、無強(qiáng)腐蝕環(huán)境，露天安裝加防護(hù)裝置，避免陽光直接照射；
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，避免陽光直接照射；

Different product signal output specifications correspond to different power supply range requirements;
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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