型號:PT500-551/433M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);
一體式結(jié)構(gòu),內(nèi)部電池供電/電池可拆可充電;
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)一對一或多對一采集;
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;
PT500-551-433M/LoRa無線接收模組:
USB 電平,鋁合金外殼的工業(yè)級無線串口傳輸模塊;
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超強(qiáng)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,具有超強(qiáng)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)
PT500-551/433M 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: pt500-551 / 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);
Integrated structure, internal battery power supply / battery detachable and rechargeable;
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;
Pt500-551-433m / 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
Pt500-551 / 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;
智慧消防
智慧城市
油壓系統(tǒng)
消防系統(tǒng)
一、技術(shù)參數(shù)
測量介質(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:433M/RS485-RTU
433M/TTL
433M/RS485-RTU(低功耗)
供電電壓:
內(nèi)置電池12VDC
內(nèi)置電池5VDC
內(nèi)置電池3.7VDC
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: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:
PT500-551-433M/LoRa無線接收模組,是一款 USB 電平,鋁合金外殼的工業(yè)級無線串口傳輸模塊,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超強(qiáng)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,具有超強(qiáng)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 |
最大 |
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 |
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:
Built in battery 12VDC
Built in battery 5VDC
Built in battery 3.7VDC
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
電話:0757-26619568 傳真: 0757-26619508
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云平臺(tái):www.puliangiot.com
地址:佛山市順德區(qū)容桂街道華口社區(qū)華天南一路2號杰森家電智造中心3棟202號