Smart Utility Meters Use Reed Sensors To Measure Water Flow, Gas and Electricity

Introduction

Most households and businesses have meters reading and recording the volume of water used, the volume of gas used and/or the amount of electricity being used. Most of these meter use reed sensors to count and measure the usage for each household. This is done in a power efficient and tamper proof way using reed sensors.

Full application writeup: Water, Gas and Electricity Meters use Reed Sensors

Features

Magnet and reed sensor are isolated and have no physical contact by typically having the magnet mounted to a mini paddle wheel, and the reed sensor is mounted strategically such that the magnetic field of the permanent magnet will be sensed with each rotation of the paddle wheel.
The reed switch used in the reed sensor is hermetically sealed and is therefore not sensitive to wet, watery environment
The permanent magnet is not affected by its environment
Tens of millions of reliable operations
Surface mounting and through hole mounting
Contacts dynamically tested

Surface Mount Series
Series	Dimensions			Illustration
		mm	inches	,
MK15	W	2.5	0.098
	H	2.5	0.098
	L	19.50	0.768
MK16	W	2.3	0.091
	H	2.3	0.091
	L	15.60	0.614
MK17	W	2.1	0.083
	H	2.1	0.083
	L	9.61	0.378
MK22	W	2.7	1.060
	H	2.3	0.091
	L	15.60	0.614
MK23-35	W	2.2	0.087
	H	1.95	0.077
	L	15.75	0.620
MK23-66	W	2.2	0.087
	H	2.7	1.060
	L	19.60	0.772
MK23-87	W	2.0	0.079
	H	2.1	0.083
	L	15.60	0.614
MK24	W	2.2	0.086
	H	1.8	0.070
	L	5.5	0.216

Through Hole Series
Series	Dimensions			Illustration
		mm	inches
MK06-4	W	3.3	0.130
	H	3.3	0.130
	L	12.06	0.475
MK06-5	W	2.8	0.110
	H	3.2	0.126
	L	14.30	0.563
MK06-6	W	3.3	0.130
	H	4.2	0.165
	L	17.24	0.679
MK06-7	W	3.3	0.130
	H	4.2	0.165
	L	19.78	0.779

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