Datasheet > DEF/UREA液位传感

DEF/UREA液位传感

更新时间： 2024-09-22 14:56:47

品牌	Logo	应用领域
力特 - LITTELFUSE		传感器
页数	文件大小	规格书
8页	575K
描述
Littelfuse Pulsed WaveGuide?（PWG?）传感器技术正在申请专利1，是一种经济高效的线性位置传感技术，能够打造高度灵活、完善和精确的距离测量解决方案。 Pulsed W

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DEF/UREA液位传感数据手册

Emissions Sensors

Automotive Sensor Products

DEF Level Sensing – PWG™

Features



Contactless linear position sensor

Robust, simple, cost effective design

Works with Ferrite magnet 4mT (40Gauss)

Sensor stroke lengths up to 340mm

Longer designs feasible upon request

Accuracy without correction < 2%

Low current consumption < 20mA

Operating temperature range: -40°C up to

+145°C

Applications



Linear Actuator Position Sensing

Liquid Level Sensing, SCR

Valve Position Sensing

Clutch and Brake cylinder piston position

Vehicle suspension height sensing

Robotic Applications

General Description

Littelfuse Pulsed WaveGuide^TM(PWG^TM) sensor

technology, patent pending¹, is a cost effective linear

position sensing technology that is capable of producing

a highly versatile, robust and accurate distance

measurement solution.

Industrial Positioning Applications

Magnet

The Pulsed WaveGuide Sensor package contains signal

conditioning electronics and a screened wave guide

transmission line – the sensing element. When used in

conjunction with a suitable permanent magnet, the

signal transmitted along the wave guide is reflected at

the magnet position. The time of flight between start of

transmission and the reflected signal is directly

Distance

Measured

Sensing

Element

proportional to the distance between the start point of the

wave guide and the magnet position.

Electronics and

connector

In order to minimize power consumption, the

measurement frequency can be optimized. In addition,

the measurement mode can also be set to burst mode

and poll mode. In burst mode the system enters a sleep

state and awakes to report position at preset intervals;

in poll mode the sensor reports position upon demand

from an ECU.

Figure 1: Typical PWG sensor and magnet arrangement

Figure 2: System Block Diagram

1 European patent application 12006827.5; US Provisional

patent application no. 61/810802; Other patent applications

pending.

Littelfuse.com

12 3 4 5 6 7 8

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与DEF/UREA液位传感相关器件

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DEF023-2R0P	TDK	获取价格	DC-DC Booster Module, 3 Output,
DEF03-2R0P	TDK	获取价格	DC-DC Regulated Power Supply Module, 3 Output, 25 X 33.30 MM, 11 MM HEIGHT, PACKAGE-13
DEF03-3R0P	TDK	获取价格	DC-DC Regulated Power Supply Module, 3 Output, 25 X 38.40 MM, 12.70 MM HEIGHT, PACKAGE-13
DEF05-0R6N	TDK	获取价格	DC-DC Regulated Power Supply Module, 3 Output, 25 X 38.40 MM, 12.70 MM HEIGHT, PACKAGE-13
DEF05-0R6P	TDK	获取价格	DC-DC Regulated Power Supply Module, 3 Output, 25 X 38.40 MM, 12.70 MM HEIGHT, PACKAGE-13
DEF09P064CTXBLF	AMPHENOL	获取价格	D Subminiature Connector, 9 Contact(s), Male, Solder Terminal, LEAD FREE
DEF09P064CTXLF	AMPHENOL	获取价格	D Subminiature Connector, 9 Contact(s), Male, Solder Terminal, LEAD FREE
DEF09P064CXLF	AMPHENOL	获取价格	D Subminiature Connector, 9 Contact(s), Male, Solder Terminal, LEAD FREE
DEF09P064GTXBLF	AMPHENOL	获取价格	D Subminiature Connector, 9 Contact(s), Male, Solder Terminal, LEAD FREE
DEF09P064GTXLF	AMPHENOL	获取价格	D Subminiature Connector, 9 Contact(s), Male, Solder Terminal, LEAD FREE

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