流量传感器
流量传感器是一种用于测量流体流动速率的机电设备。流体可以是空气、气体、液体或能源。它们可用于需要散装流体运动分析的应用,包括:公共事业监测(气表和水表)、HVAC 系统、燃料和润滑剂流量、冷却系统、打印机碳粉监测、化工流程监测和灌溉控制。流量传感器采用的技术包括:机械、压力、光学、地球自转偏向力、超声波流量、电磁和激光多普勒测速仪。
机械流量传感器使用涡轮的一种变体,在流体流量中按照与流体流速呈已知恒定函数比例的速度旋转。示例包括:叶轮、水轮机水斗和摆盘。机械式流量计带有集成管道,可引导流量穿过旋转的涡轮。
压力流量计依据伯努利原理,测量部分中断流量或导致文丘里效应的屏障任意一侧的压差。其中一个例子就是车辆中用于检测气流的叶片/活瓣流量计。压差可移动被弹簧压紧的叶片,来检测气流速度。
光学气体流量计使用激光束来感应气体中自然产生的微观粒子的速度。它们提供了一种测量危险气体流量真正安全的方法。光学流量计的应用范围包括:燃烧和通风气体监测、CO2 排放测试和沼气测量。
科里奥利流量计(也被称为质量流量计或惯性流量计)可测量质量(非体积)速度。它们利用科里奥利效应 —— 移动物体穿过旋转的参照系时出现的现象。液体倾向于直线移动,这会在参照系上产生离心力。如果是流体流量,这会产生力矩,并在旋转组件中导致谐振振荡。这种偏折可以测量并与质量流量相关。知道流体密度后,便可计算流体速度。
多普勒和渡越时间超声波流量计是一种测量通过管道或容器运输的流量的非侵入式方法。渡越时间流量计使用超声脉冲在流体流量的方向上以及面对液体流量的方向上进行测量。接收脉冲的时间差可用于确定流体速度。多普勒型流量计可通过分析反射超声波的多普勒频移,来检测悬浮颗粒或气泡的移动。它们十分适合在包括血流监测在内的多种系统中进行非侵扰式测量。激光多普勒测速仪的工作方式类似,但使用的是激光束。
电磁 (Mag) 流量计可直接通过磁场通量测量液体移动。提供接触式和非接触式型号。接触式型号需要导电流体和绝缘管。非接触式流量计利用液体与磁场中的金属相互作用产生的洛伦兹力。霍尔效应传感器可在叶片或活瓣上使用,用来感应位置并计算液体流量。
| 型号 | 价格 | 库存 | 供应商 | 类别 | Sensor Type | Style Type | Flow Range | Maximum Operating Pressure | Accuracy | Technology | Maximum Output Voltage - (V) | Minimum Operating Supply Voltage - (V) | Maximum Operating Supply Voltage - (V) | Medium | Packaging | Pin Count | Supplier Package | Standard Package Name | CECC Qualified | ESD Protection | Military | AEC Qualified | Auto motive | P PAP | ECCN Code | SVHC | SVHC Exceeds Threshold |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
AWM720P1
Flow Sensor Mass Air 4-Pin
|
库存
100
$216.4808
每个
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Honeywell | 流量传感器 | Mass | In-Line | 200SLPM | Air | 4 | No | No | No | No | No | EAR99 | No | ||||||||||||
AWM3100V
Flow Sensor Mass Dry Gas 200SCCMFlow Range 25psiOperating Pressure 3-Pin
|
库存
47
$205.53
每个
|
Honeywell | 流量传感器 | Mass | In-Line | 200SCCM | 5 | Dry Gas | 3 | No | No | No | No | No | EAR99 | No | |||||||||||
SFM3200-250
Digital Flow Meter for medical applications
|
库存
20
从 $138.36 到 $155.19
每个
|
Sensirion AG | 流量传感器 | EAR99 | |||||||||||||||||||||||
D6F-P0010A2
Flow Sensor Mass Air ±5% 3-Pin
|
库存
4
$69.18
每个
|
Omron | 流量传感器 | Mass | 1L/m | ±5% | 2.5 | Air | 3 | No | No | No | No | EAR99 | No | ||||||||||||
D6F-W10A1
Flow Sensor Velocity Air ±6% Tray
|
库存
10
从 $54.90 到 $69.50
每个
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Omron | 流量传感器 | Velocity | ±6% | 5 | Air | No | No | No | No | No | EAR99 | No | |||||||||||||
| 84034-000 FSX 049 Flow Switch |
库存
22
$43.05
每个
|
TE Connectivity | 流量传感器 | ||||||||||||||||||||||||
SEN0550
Gravity: Liquid Flow Sensor (G1/2)
|
库存
35
$10.102
每个
|
DFRobot | 流量传感器 | 30L/H to 1200L/H | ±1% | Magnetic | Liquid | Bag | No | Unknown | Unknown | Unknown | EAR99 | ||||||||||||||
SFM4300-50-B
Flow Sensor Mass Air/CO2/N2/N2O/O2 0SLPM to 50SLPMFlow Range 7barOperating Pressure Tray
|
$106.25
每个
|
Sensirion AG | 流量传感器 | Mass | Insertion | 0SLPM to 50SLPM | Air/CO2/N2/N2O/O2 | Tray | No | No | No | No | EAR99 | No | |||||||||||||
SFM4300-20-O
Flow Sensor Mass Air/CO2/N2/N2O/O2 0SLPM to 20SLPMFlow Range 7barOperating Pressure Tray
|
|
Sensirion AG | 流量传感器 | Mass | Insertion | 0SLPM to 20SLPM | Air/CO2/N2/N2O/O2 | Tray | No | No | No | No | EAR99 | No | |||||||||||||
D6F01A1110
Flow Sensor Mass Air ±3% 0L/m to 1L/mFlow Range 200kPaOperating Pressure 3-Pin
|
|
Omron | 流量传感器 | Mass | 0L/m to 1L/m | ±3% | 5.7 | Air | 3 | No | No | No | No | No | EAR99 | No | |||||||||||
LPG10-1000
Flow Sensor Mass Liquid 5% 1000ul/minFlow Range 43psiOperating Pressure 5-Pin
|
|
Sensirion AG | 流量传感器 | Mass | 1000ul/min | 5% | Liquid | 5 | No | No | No | No | EAR99 | No | |||||||||||||
D6F20A7D0000
Digital MEMS flow sensor with temperature and linear compensation, maximum flow rate of 20 L/minute, and typical operating voltage of 3.3 V
|
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Omron | 流量传感器 | 0L/m to 20L/m | ±5% | Air | 4 | No | No | No | No | EAR99 | No | ||||||||||||||
D6F02A1110
Flow Sensor Mass Air ±3% 0L/m to 2L/mFlow Range 200kPaOperating Pressure 3-Pin
|
|
Omron | 流量传感器 | Mass | 0L/m to 2L/m | ±3% | 5.7 | Air | 3 | No | No | No | No | EAR99 | No | ||||||||||||
SFM4300-50-O
Flow Sensor Mass Air/CO2/N2/N2O/O2 0SLPM to 50SLPMFlow Range 7barOperating Pressure Tray
|
|
Sensirion AG | 流量传感器 | Mass | Insertion | 0SLPM to 50SLPM | Air/CO2/N2/N2O/O2 | Tray | No | No | No | No | EAR99 | No | |||||||||||||
HAFBLF0750CAAX5
Flow Sensor Air 4-Pin
|
|
Honeywell | 流量传感器 | Mass | 0SCCM to 750SCCM | Air | 4 | No | No | No | No | No | EAR99 | No | |||||||||||||
D6F-50A7D-000-0
Flow Sensor Air ±5% 0L/m to 50L/mFlow Range 4-Pin
|
从 $173.89 到 $188.45
每个
|
Omron | 流量传感器 | 0L/m to 50L/m | ±5% | Air | 4 | No | No | No | No | EAR99 | No | ||||||||||||||
D6F-70AB71D-000-0
Flow Sensor Air ±5% 0L/m to 70L/mFlow Range 4-Pin
|
$164.60
每个
|
Omron | 流量传感器 | 0L/m to 70L/m | ±5% | Air | 4 | No | No | No | No | EAR99 | No | ||||||||||||||
D6F-10A7D-000-0
Flow Sensor Air ±5% 0L/m to 10L/mFlow Range 100kpaOperating Pressure 4-Pin
|
$164.60
每个
|
Omron | 流量传感器 | 0L/m to 10L/m | ±5% | Air | 4 | No | No | No | No | EAR99 | |||||||||||||||
D6F05N2000
Flow Sensor Mass N2/L2 ±3% 5L/mFlow Range 3-Pin
|
|
Omron | 流量传感器 | Mass | 5L/m | ±3% | 5 | N2/L2 | 3 | No | No | No | No | EAR99 | No | ||||||||||||
HAFBLF0750C4AX5
Flow Sensor Mass Air/Gas 0SCCM to 750SCCMFlow Range 25psiOperating Pressure 4-Pin
|
|
Honeywell | 流量传感器 | Mass | 0SCCM to 750SCCM | Air|Gas | 4 | No | No | No | No | No | EAR99 | No | |||||||||||||
AFM-01NO
Flow Sensor Air
|
从 $41.49 到 $42.16
每个
|
ORION FANS | 流量传感器 | Air | No | No | Unknown | Unknown | Unknown | EAR99 | No | No | |||||||||||||||
HAFUHH0100L4AXT
Flow Sensor Mass Air/Gas ±0.5% 0SLPM to 100SLPMFlow Range 60psiOperating Pressure 6-Pin Box
|
|
Honeywell | 流量传感器 | Mass | 0SLPM to 100SLPM | ±0.5% | 3 | Air|Gas | Box | 6 | No | No | No | No | EAR99 | No | |||||||||||
314150002
Flow Sensor Water 0.3L/m to 6L/mFlow Range 2000kPaOperating Pressure
|
从 $7.928 到 $8.591
每个
|
Seeed Technology Co.,Ltd | 流量传感器 | 0.3L/m to 6L/m | Turbine | Water | No | Unknown | Unknown | Unknown | EAR99 | ||||||||||||||||
| HAFUHT0015L2AXT Digital Airflow Sensors |
|
Honeywell | 流量传感器 | No | No | No | EAR99 | No | |||||||||||||||||||
AWM42300V
Flow Sensor Mass Gas -1000SCCM to 1000SCCMFlow Range 150psiOperating Pressure 6-Pin
|
从 $182.92 到 $200.04
每个
|
Honeywell | 流量传感器 | Mass | -1000SCCM to 1000SCCM | 55.2(Typ) | Gas | 6 | No | No | No | No | No | EAR99 | No |