無線壓力變送器 PT500-550/433M
型號:PT500-550/433M無線壓力變送器
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;
短距離433M/LORA無線發射接收,傳輸距離100–5000米(視距);
分體結構,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);
可實現一對一或多對一采集;
高精度、穩定、數字標定調節、放大集成電路;
通訊協議采集RS485-RTU/TTL,可實現低功耗;
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品;
PT500-550-433M/LoRa無線接收模組:
USB 電平,鋁合金外殼的工業級無線串口傳輸模塊;
它基于 Semtech 公司的 SX1276/1278 芯片研發的 1W大功率無線數傳模塊;
采用了LoRa TM 擴頻調制跳頻技術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,接收靈敏度都遠超現在的 FSK、GFSK 調制;
對無線數據進行了 AES128 加密處理,使數據傳輸 更加安全,具有的抗干擾性;
空曠傳輸距離可達 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 -139 dBm
輸出功率:5W(+40dBm)/ 2W(+36dBm)/ 1W(+30dBm)/ 500mW(+27dBm)
串口參數設置多樣化
LORA 調制模式
通訊頻道多達 40 個
PT500-550/433M 無線壓力變送器主要應用:
短距離無線水壓/水位監控;
短距離無線水壓/水位監控;;
遠程自動化控制系統等;
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
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石油化工
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石油管道
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供氣系統
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給水設備
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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、技術參數
測量介質:液體、氣體(與產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 性:≤0.1%FS
輸出信號: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
介質溫度:-20~80℃
環境溫度:-20~70℃
補償溫度:0~70℃
響應時間:≤500mS(與傳輸距離有關,通常設定3S~3600S采集一次)
過載壓力:150%FS
穩 定 性:≤±0.15%FS/年
振動影響:≤±0.15%FS/年(機械振動頻率20Hz~1000Hz)
破壞壓力:3倍量程(量程小于350MPa);2倍量程(量程大于400MPa)
防護等級:IP65
連接材料:304/316L
過程連接:M20X1.5,G1/2,用戶制訂規格
接收模塊
A、概述:
PT500-550-433M/LoRa無線接收模組,是一款 USB 電平,鋁合金外殼的工業級無線串口傳輸模塊,它基于 Semtech 公司的 SX1276/1278 芯片研發的 1W大功率無線數傳模塊,該器件采用了 LoRa TM 擴頻調制跳 頻技術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 敏度都遠超現在的 FSK、GFSK 調制,模塊對無線數據進行了 AES128 加密處理,使數據傳輸 更加安全,具有的抗干擾性。
B、特點
空曠傳輸距離可達 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 -139 dBm
輸出功率:5W(+40dBm)/ 2W(+36dBm)/ 1W(+30dBm)/ 500mW(+27dBm)
串口參數設置多樣化
LORA 調制模式
通訊頻道多達 40 個
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
參數 | 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 |
調制速率 | 91 | 656 | 17353 | bps | LoraTM |
發射功率范圍 | 0 | / | +30 | dBm | @433MHz -@490MHz |
| 0 | / | +27 | dBm | @868MHz @915MHz |
二、規格型號
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