无线压力变送器 PT500-550/433M
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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超强的抗干扰性能,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 FSK、GFSK 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,具有超强的抗干扰性。
B、特点
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
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 |
最大 |
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 |
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
电话:0757-26619568 传真: 0757-26619508
24小时在线技术支持:13790092618
云平台:www.puliangiot.com
地址:佛山市顺德区容桂街道华口社区华天南一路2号杰森家电智造中心3栋202号