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Usage Notes

Reed Glossary

MS-216 Cylindrical Proximity Sensor

Does not require power for operation

Omni-polar device; actuates with either pole of magnet

Normally open (NO) contact, others available on request

Three magnetic sensitivity bands

RoHS Compliant and Lead-free

Various types of leads and connectors available

Special versions withstand 1m drop test without change in sensitivity

These cylindrical sensors are suitable for carrying up to 10W and is physically robust. Various activating distances are available depending on the magnet and the AT band used. This sensor can be supplied with non-standard connectors on request. All sensors are tested 100% for operate and release AT, contact resistance and variable contact resistance before packing. Our products are completely Lead-free and conform to the RoHS directive.

Cylindrical Proximity Reed Sensor Drawing

All dimensions in mm

Download this data sheet View actuation distances

Applications

This magnet sensor is suitable for use in the following applications and in many others: coffee machines, detergent level sensing in washing machines, dishwashers, fluid level sensing, anchor and rudder position sensing in boats, anemometers, treadmills, bicycles...

Specifications

Contact Form		A
Contact Rating (max)	W / VA	10.0
Switching Current (max)	A	0.5
Carry Current (max)	A	1.5
DC Switching Voltage (max)	V DC	180
Breakdown Voltage (min)	V DC	200
Initial Contact Resistance (max)	mΩ	150
Operating Temperature	°C	-40 to +70
Shock Resistance (½Sin wave for 11ms)	g	50
Vibration Resistance (10-2000Hz)	g	20

Ordering Code

MS-216-(Operate AT Code)-(Cable Length in mm)-(Lead Type Code)

OAT Code	OAT Band	Lead Type Code
1	10 - 15	S	Stripped to 5 mm
2	15 - 20	T	Stripped and Tinned
3	20 - 25	M	2-pin Female Molex Connector

Operate AT bands indicated above are for unmodified reed switch.

Example

MS-216-1-500-M

Denotes MS-216 proximity sensor in 10-15 Operate AT, with 500 mm cable length and Molex connectors.

Possible Magnet Actuations

Cylindrical Magnetic Proximity Reed Sensor Actuation Examples

A few examples of magnet actuation are shown above. Cylindrical proximity sensors can be used in pneumatic cylinder end position sensing applications. Being an omnipolar device, this sensor can be actuated with either a north pole or a south pole or both. Choosing the right AT band, magnet strength, and operating axis, will restrict the number of operates and releases to one. Click here to view actuation distances of this sensor with the standard magnets.

Cylindrical M5 Threaded M8 Threaded Flat Pack Large Flat Pack Sensing Distances Crosslink Notes

Reed Relays and Electronics India Limited, 2008

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