無線壓力變送器 PT500-550/433M
型號(hào)：PT500-550/433M無線壓力變送器
采用進(jìn)口感壓芯片；選進(jìn)的貼片工藝，具有零點(diǎn)、滿量程補(bǔ)償、溫度補(bǔ)償；
短距離433M/LORA無線發(fā)射接收，傳輸距離100–5000米（視距）；
分體結(jié)構(gòu)，外部電流或電源供電；
采集方式多樣化（儀表采集/PC采集/采集卡/PLC模塊等）；
可實(shí)現(xiàn)一對(duì)一或多對(duì)一采集；
高精度、穩(wěn)定、數(shù)字標(biāo)定調(diào)節(jié)、放大集成電路；
通訊協(xié)議采集RS485-RTU/TTL，可實(shí)現(xiàn)低功耗；
不銹鋼外殼，不銹鋼過程連接,多種壓力密封方式；
可替代國外同類型高壓產(chǎn)品；
PT500-550-433M/LoRa無線接收模組:
USB 電平，鋁合金外殼的工業(yè)級(jí)無線串口傳輸模塊；
它基于 Semtech 公司的 SX1276/1278 芯片研發(fā)的 1Ｗ大功率無線數(shù)傳模塊；
采用了LoRa TM 擴(kuò)頻調(diào)制跳頻技術(shù)高效的接收靈敏度和的抗干擾性能；
外部集成 PA 器件使其通信距離，接收靈敏度都遠(yuǎn)超現(xiàn)在的 FSK、GFSK 調(diào)制；
對(duì)無線數(shù)據(jù)進(jìn)行了 AES128 加密處理，使數(shù)據(jù)傳輸 更加安全，具有的抗干擾性；
空曠傳輸距離可達(dá) 8000 米(低速率/5W）USB 電平接口
工作頻段：433/470（1W）MHz 868/915（500mW）MHz
靈敏度高達(dá) -139 dBm
輸出功率：5W（+40dBm）/ 2W（+36dBm）/ 1W（+30dBm）/ 500mW（+27dBm）
串口參數(shù)設(shè)置多樣化
LORA 調(diào)制模式
通訊頻道多達(dá) 40 個(gè)
PT500-550/433M 無線壓力變送器主要應(yīng)用：
短距離無線水壓/水位監(jiān)控；
短距離無線水壓/水位監(jiān)控；；
遠(yuǎn)程自動(dòng)化控制系統(tǒng)等；
Model: pt500-550 / 433M wireless pressure transmitter
Imported pressure sensing chip is adopted; The selected patch process has zero point, full-scale compensation and temperature compensation;
Short distance 433M / Lora wireless transmission and reception, transmission distance 100 – 5000 meters (sight distance);
Split structure, external current or power supply;
Diversified acquisition methods (instrument acquisition / PC acquisition / acquisition card / PLC module, etc.);
One to one or many to one acquisition can be realized;
High precision, stable, digital calibration, adjustment and amplification integrated circuit;
The communication protocol collects rs485-rtu / TTL, which can realize low power consumption;
Stainless steel shell, stainless steel process connection, various pressure sealing methods;
It can replace foreign high-voltage products of the same type;
Pt500-550-433m / Lora wireless receiving module:
USB level, industrial wireless serial port transmission module with aluminum alloy shell;
It is based on the 1W high-power wireless data transmission module developed by Semtech's sx1276 / 1278 chip;
Loratm spread spectrum modulation frequency hopping technology is adopted, which has high receiving sensitivity and strong anti-interference performance;
The external integrated PA device makes its communication distance and reception sensitivity far exceed the current FSK and GFSK modulation;
The wireless data is encrypted by aes128, which makes the data transmission more secure and has strong anti-interference;
Open transmission distance up to 8000 meters (low rate / 5W) USB level interface
Operating frequency band: 433 / 470 (1W) MHz, 868 / 915 (500MW) MHz
Sensitivity up to - 139 dBm
Output power: 5W (+ 40dbm) / 2W (+ 36dbm) / 1W (+ 30dBm) / 500MW (+ 27dBm)
Diversified serial port parameter settings
Lora modulation mode
Up to 40 communication channels
Pt500-550 / 433M wireless pressure transmitter is mainly used in:
Short distance wireless water pressure / level monitoring;
Short distance wireless water pressure / level monitoring;;
Remote automatic control system, etc;
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智慧城市
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消防系統(tǒng)
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石油化工
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石油管道
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供氣系統(tǒng)
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給水設(shè)備
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PT100-550/433M 無線溫度變送器
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無線壓力變送器 PT500-551/433M
一、技術(shù)參數(shù)
測(cè)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：
0～100MPa；150 MPa；200 MPa；
250 MPa；300 MPa；350 MPa；400 MPa；;
450 MPa；500 MPa；
-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(hào)：433M/RS485-RTU
433M/TTL
433M/RS485-RTU（低功耗）
供電電壓：外部電源12/24VDC(9～30VDC)
外部電源5VDC(定制)
配套電池：12VDC（或充電鋰電池）
接收模塊：433M無線接收，5VDC供電,功率100mW/500mW/2W
絕緣阻抗：≥1000 MΩ/100VDC
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：≤500mS(與傳輸距離有關(guān)，通常設(shè)定3S～3600S采集一次)
過載壓力：150%FS
穩(wěn) 定 性：≤±0.15%FS/年
振動(dòng)影響：≤±0.15%FS/年（機(jī)械振動(dòng)頻率20Hz～1000Hz）
破壞壓力：3倍量程(量程小于350MPa)；2倍量程(量程大于400MPa)
防護(hù)等級(jí)：IP65
連接材料：304/316L
過程連接：M20X1.5,G1/2,用戶制訂規(guī)格
接收模塊
A、概述：
PT500-550-433M/LoRa無線接收模組，是一款 USB 電平，鋁合金外殼的工業(yè)級(jí)無線串口傳輸模塊，它基于 Semtech 公司的 SX1276/1278 芯片研發(fā)的 1Ｗ大功率無線數(shù)傳模塊，該器件采用了 LoRa TM 擴(kuò)頻調(diào)制跳 頻技術(shù)高效的接收靈敏度和的抗干擾性能，加上外部集成 PA 器件使其通信距離，接收靈 敏度都遠(yuǎn)超現(xiàn)在的 FSK、GFSK 調(diào)制，模塊對(duì)無線數(shù)據(jù)進(jìn)行了 AES128 加密處理，使數(shù)據(jù)傳輸 更加安全，具有的抗干擾性。
B、特點(diǎn)
空曠傳輸距離可達(dá) 8000 米(低速率/5W）
USB 電平接口
工作頻段：433/470（1W）MHz
868/915（500mW）MHz
靈敏度高達(dá) -139 dBm
輸出功率：5W（+40dBm）/ 2W（+36dBm）/ 1W（+30dBm）/ 500mW（+27dBm）
串口參數(shù)設(shè)置多樣化
LORA 調(diào)制模式
通訊頻道多達(dá) 40 個(gè)
工作電壓范圍：4.5 ~ 5.5 V
工作溫度范圍：-40 ~ +85 °C
C、性能參數(shù)
| 參數(shù) | 最小 | 典型 |
| 單位 | 條件 |
| 工作電壓范圍 | 4.5 | 5.0 | 5.5 | VDC |
|
| 工作溫度范圍 | -40 | 25 | 85 | ℃ |
|
| 接收電流 |
| < 30 |
| mA |
|
| 發(fā)射電流 |
| < 600 |
| mA | USB 電平 |
| 頻率范圍 | 414.92 | 433.92 | 453.92 | MHZ | @433MHZ |
|
| 470.92 | 490.92 | 509.92 | MHZ | @490MHZ |
|
| 849.92 | 868.92 | 888.92 | MHZ | @868MHZ |
|
| 895.92 | 914.92 | 934.92 | MHZ | @915MHZ |
| 調(diào)制速率 | 91 | 656 | 17353 | bps | LoraTM |
| 發(fā)射功率范圍 | 0 | / | +30 | dBm | @433MHz -@490MHz |
|
| 0 | / | +27 | dBm | @868MHz @915MHz |
二、規(guī)格型號(hào)
Measuring medium: liquid and gas (compatible with product process connecting materials)
Pressure form: gauge pressure and absolute pressure
Range:
0～100MPa； 150 MPa； 200 MPa；
250 MPa； 300 MPa； 350 MPa； 400 MPa；;
450 MPa； 500 MPa；
-0.1～0～0.6～5MPa;
-100KPa～10KPa～40MPa; ±10KPa～±100KPa
Comprehensive accuracy: ± 0.25% FS; ±0.5%FS； ±1%FS
Nonlinearity: ≤ 0.25% FS
Repeatability: ≤ 0.1% FS
Output signal:
433M / rs485-rtu
433M/TTL
433M / rs485-rtu (low power consumption)
Power supply voltage:
external power supply 12 / 24VDC (9 ~ 30VDC)
External power 5VDC (customized)
Supporting battery: 12VDC (or rechargeable lithium battery)
Receiving module: 433M wireless receiving, 5VDC power supply, power 100MW / 500MW / 2W
Insulation impedance: ≥ 1000 m Ω / 100VDC
Medium temperature: - 20 ~ 80 ℃
Ambient temperature: - 20 ~ 70 ℃
Compensation temperature: 0 ~ 70 ℃
Response time: ≤ 500ms (related to transmission distance, usually set 3S ~ 3600s to collect once)
Overload pressure: 150% FS
Stability: ≤± 0.15% FS / year
Vibration influence: ≤± 0.15% FS / year (mechanical vibration frequency 20Hz ~ 1000Hz)
Failure pressure: 3 times the range (the range is less than 350Mpa); 2 times the range (the range is greater than 400MPa)
Protection grade: IP65
Connecting material: 304 / 316L
Process connection: m20x1 5. G1 / 2, specifications formulated by users
