Product Details

CM18 DC Inductive Cylindrical Threaded Housing Capacitive Proximity Sensor with CE

Working principleof capacitance proximity switch

Capacitance proximity switch

* The induction surface of capacitance sensor is composed of two coaxial mental electctrodes, which from a capacitor and connected on RC oscillation circuit, just like an open capacitor electrode.

* When connecting to power supply, RC oscillator does not work. When an object is clos eto capacitor

electrode, the capacitor capacity will increase, and the oscillator will vibrate. Through the treatment of behind stage circuit, both signals of stop oscillation and oscillation will be converted to switch signs for checking the existence of object. this distance can be obtained, but to nonmetal object, the action distance is d etermined by material dielectric constant, the more dielectric constant, the more action distance will be obtained.

Outward appearance illustration

CM18 specification

1,Capacitive proximity sensor
2,CE Certification
3,Flush and UNflush type
4,Output state:NO,NC,NO+NC
5,PNP and NPN

Techique parameter

DETECTION DISTANCE 0-5mm
F l u s h	DC 6- 36 VDC AC 90- 250 VAC	NPN	NO	CM18-3005NA
			NC	CM18-3005NB
			NO+NC	CM18-3005NC
		PNP	NO	CM18-3005PA
			NC	CM18-3005PB
			NO+NC	CM18-3005PC
		SCR Control- lable silicon	NO	CM18-2005A
			NC	CM18-2005B
DETECTION DISTANCE 0-8mm
F l u s h	DC 6- 36 VDC AC 90- 250 VAC	NPN	NO	CM18-3008NA
			NC	CM18-3008NB
			NO+NC	CM18-3008NC
		PNP	NO	CM18-3008PA
			NC	CM18-3008PB
			NO+NC	CM18-3008PC
		SCR Control- lable silicon	NO	CM18-2008A
			NC	CM18-2008B
Detectable object				conductor and dielectric body
Consumption current				DC< 15mAAC< 10mA
Controloutput				DC: 200mA, AC: 300mA
Output voltagc dropDC/AC				DC< 3VAC< 7V
DC/AC Response frequency				DC: 50Hz, AC: 10Hz
Shell material				ABS Resin, Metal
Working environment temperature				-25~70º C
Insulation resistance				50MΩ
Protection structure				IECstandard lp54
Altemative model at home and abroad				LJC18A3-

Dimension

Application illustration

The dielectric constants for some important materials are as; osted as below

Materials	Dielectric constant	Materials	Dielectric constant	Materials	Dielectric constant	Materials	Dielectric constant
Synthectic resin adhesive	3.6	Styrence	3	Alcohol	25.8	Polyvinyl	2.9
Mica	6	Prorcelain	4.4	Glass	5	Quartz glass	3.7
Ebonite	4	Petrolin	2.2	Cardboard	4.5	Silicon	2.8
Marble	8	Quartz sand	4.5	Cable rubber compound	2.5
Paper	2.3	Soft rubber	2.5	Gasoline	2.2
Organic glass	3.2	Water	80	Wood	2.7

Packaging & Shipping

FAQ

Q: How to order our product ?

A:1). Please tell us the model and quantity and other request you need.

2). We make the PI for you.

3). After you confirm the PI, we arrange the order for you after receiving your payment.

4). After the goods finished, we send the goods out to you and tell you the tracking number.

5). We will track your goods until you receive the goods.

Q: What's your warranty ?

A: Two years

Q: What's your shipment method?

A: We ship by Express, by air, by sea, by train. Normally we checked and compare, then provide customer the most proper shipment method.

Q: What's about MOQ?

A: First order MOQ=1pcs

Q: If i want to release order, what's the payment method you accept ?

A: We accept T/T, Paypal, Western union, L/C.

Q: If i want to release order, what's the process?

A: Thanks. You can send inquiry to us by Maoyt or send us by email, we will reply within 24hrs.

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About us

Yueqing Winston Electric Co., Ltd. is not only an exporting company, but also a professional manufacturer in China. We have our own production base. The products we professionally deal with are switching power supplies, sensors, relays, voltage stabilizers, AC contactors, circuit breakers, distribution boxes, industrial plugs & sockets and others. Since we are a manufacturer & exporter, we are sure that we can best support our customers with high quality products and the most competitive prices. Our company is located in Wenzhou - the Electric Capital of China. We specialize in developing, manufacturing and distributing low voltage & high voltage electrical products. We are an ISO9001:2000 certified company.

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