无线压力变送器 PT500-550/433M

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无线压力变送器 PT500-550/433M

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成立于2006年,位于全国三大家电制造基地之一的广东省佛山顺德,是一家从事压力-液位-温度-测力-水准仪测量与控制,智慧消防,智慧城市,沉降监测等,产品自主设计-研发-生产-销售-安装-调试一体化的现代企业。历经十五年产品的技术沉淀与经验,产品涵盖自动化控制、橡塑、化纤、电力、水利、农业、石油、化工、环境环保、气象、水利、楼宇管道、压力设备、家居智能、智慧消防、智慧城市等行业。产品已由国内市场拓展至港台及欧美市场,压力传感器、压力变送器产品性能已逐步同国际市场接轨,可替换国外同类型产品。普量本着"锐意进取、追求、用户"的企业精神,依靠优秀的技术人才、*的生产设备、不断更新技术,及时有效地提供用户所需的产品与服务,创用户价值、社会价值,从而提升企业价值,同时促进社会文明的繁荣。

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无线压力变送器 PT500-550/433M



型号:PT500-550/433M无线压力变送器


采用进口感压芯片;选进的贴片工艺,具有零点、满量程补偿、温度补偿;
短距离433M/LORA无线发射接收,传输距离100–5000米(视距);
分体结构,外部电流或电源供电;
采集方式多样化(仪表采集/PC采集/采集卡/PLC模块等);
可实现一对一或多对一采集;
高精度、稳定、数字标定调节、放大集成电路;
通讯协议采集RS485-RTU/TTL,可实现低功耗;
不锈钢外壳,不锈钢过程连接,多种压力密封方式;
可替代国外同类型高压产品;

PT500-550-433M/LoRa无线接收模组:
USB 电平,铝合金外壳的工业级无线串口传输模块;
它基于 Semtech 公司的 SX1276/1278 芯片研发的 1W大功率无线数传模块;
采用了LoRa TM 扩频调制跳频技术高效的接收灵敏度和的抗干扰性能;
外部集成 PA 器件使其通信距离,接收灵敏度都远超现在的 FSK、GFSK 调制;
对无线数据进行了 AES128 加密处理,使数据传输 更加安全,具有的抗干扰性;

空旷传输距离可达 8000 米(低速率/5W)USB 电平接口
工作频段:433/470(1W)MHz  868/915(500mW)MHz

灵敏度高达 -139 dBm
输出功率:5W(+40dBm)/ 2W(+36dBm)/ 1W(+30dBm)/ 500mW(+27dBm)
串口参数设置多样化
LORA 调制模式
通讯频道多达 40 个


PT500-550/433M 无线压力变送器主要应用:
短距离无线水压/水位监控;
短距离无线水压/水位监控;;
远程自动化控制系统等;



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;


应用领域:
  • 智慧城市

  • 消防系统

  • 石油化工

  • 石油管道

  • 供气系统

  • 给水设备

产品家族:
  • PT100-550/433M 无线温度变送器

  • 无线压力变送器 PT500-551/433M

规格参数


一、技术参数
测量介质:液体、气体(与产品过程连接材料兼容)
压力形式:表压、绝压
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

综合精度:±0.25%FS;±0.5%FS;±1%FS
非 线 性:≤0.25%FS
重 复 性:≤0.1%FS
输出信号:433M/RS485-RTU
433M/TTL
433M/RS485-RTU(低功耗)

供电电压:外部电源12/24VDC(9~30VDC)
外部电源5VDC(定制)
配套电池:12VDC(或充电锂电池)

接收模块:433M无线接收,5VDC供电,功率100mW/500mW/2W
绝缘阻抗:≥1000 MΩ/100VDC
介质温度:-20~80℃
环境温度:-20~70℃
补偿温度:0~70℃
响应时间:≤500mS(与传输距离有关,通常设定3S~3600S采集一次)
过载压力:150%FS
稳 定 性:≤±0.15%FS/年
振动影响:≤±0.15%FS/年(机械振动频率20Hz~1000Hz)
破坏压力:3倍量程(量程小于350MPa);2倍量程(量程大于400MPa)
防护等级:IP65
连接材料:304/316L
过程连接:M20X1.5,G1/2,用户制订规格


接收模块

A、概述:

PT500-550-433M/LoRa无线接收模组,是一款 USB 电平,铝合金外壳的工业级无线串口传输模块,它基于 Semtech 公司的 SX1276/1278 芯片研发的 1W大功率无线数传模块,该器件采用了 LoRa TM 扩频调制跳 频技术高效的接收灵敏度和的抗干扰性能,加上外部集成 PA 器件使其通信距离,接收灵 敏度都远超现在的 FSKGFSK 调制,模块对无线数据进行了 AES128 加密处理,使数据传输 更加安全,具有的抗干扰性。


B、特点

空旷传输距离可达 8000 (低速率/5W

USB 电平接口

工作频段:433/4701WMHz

868/915(500mWMHz

灵敏度高达 -139 dBm

输出功率:5W+40dBm/ 2W+36dBm/ 1W+30dBm/ 500mW+27dBm

串口参数设置多样化

LORA 调制模式

通讯频道多达 40

工作电压范围:4.5 ~ 5.5 V

工作温度范围:-40 ~ +85 °C


C、性能参数


参数

最小

典型

单位

条件

工作电压范围

4.5

5.0

5.5

VDC

工作温度范围

-40

25

85

接收电流

< 30

mA

发射电流

< 600

mA

USB 电平

频率范围

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

调制速率

91

656

17353

bps

LoraTM

发射功率范围

0

/

+30

dBm

@433MHz -@490MHz

0

/

+27

dBm

@868MHz @915MHz




二、规格型号












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

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