Reed Relays and
Electronics India Limited
Manufacturer of Reed Switches, Reed Sensors and Reed-based products
Reed Relays and Electronics India Limited Incorporated in 1971
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MS-212 Ultra-miniature Cylindrical Sensor

MS-212 tip to tip actuation distance Ultra miniature Cylindrical Proximity Reed Sensor Drawing
MS-212 parallel actuation distance

Click the thumbnails on the left to view actuation distances

Highlights

Does not require power for operation Omni-polar device; actuates with either pole of magnet Normally Open contact Sputtered Ruthenium contact Two magnetic sensitivity bands RoHS Compliant and Lead-free Not Sensitive to ESD Various types of leads and connectors available

Description

These ultra-miniature proximity sensors are suitable for low level switching applications, and have a size advantage over the other cylindrical sensors. 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.

Applications

This magnetic proximity sensor is suitable for use in the following applications and in many others: dentists drills, model airplanes, musical greeting cards

Specifications

Contact Form A
Contact Rating (max) W/VA 10.0
Switching Current (max) A 0.5
Carry Current (max) A 0.5
DC Switching Voltage (max) VDC 100
Breakdown Voltage (min) VDC 150
Contact Resistance (max) 200
Operating Temperature °C -40 to +140
Shock Resistance (½Sin wave for 11ms) G 30
Vibration Resistance (10-2000Hz) G 20

Ordering Code

MS-212-(Operate AT Code)-(Cable Length in mm)-(Lead Type Code)

OAT Code OAT Band Lead Type Code Code
1 10-15 S Stripped to 5 mm
2 15-20 T Stripped and Tinned

Operate AT bands indicated above are for unmodified reed switch.
Example: MS-212-1-500-T
Denotes MS-212 proximity sensor in 10-15 Operate AT, with 500 mm cable length and Tinned Cable ends.

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.

MS-212 Ultra-miniature Magnetic Proximity Sensor
MS-212 Ultra-miniature proximity Sensor: 2.6 mm diameter, 10W, omnipolar, suitable for low level switching, complete data sheet and technical specifications.
Brand: RRE
Manufacturer: Reed Relays and Electronics
Model: MS-212
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