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MIL544M

Seismic Velocity Sensor – Permanent Mounted
Part Number M97120

The Mechanalysis model MIL544M vibration sensor is a rugged industrial vibration measuring sensor ideal for continuous machinery protection. In production for over 35 years it continues to be the World’s most widely used velocity sensor. The sensor can be mounted horizontal or vertical permanently on a flat surface at the bearing housing or other critical points on a machine. It provides reliable continuous performance under a variety of adverse environmental conditions. India alone has more than 6000 in daily use.

The seismic velocity transducer operates with a moving coil in a permanent magnetic field with eddy-current damping. Its high output and low impedance, good frequency response makes the MIL544M suitable for all types of machinery protection.

The sensor’s case insulates the signal coil from the housing to eliminate false monitor alarms often encountered from ground loops and power surges. The sensor’s hard anodized aluminium housing is IP65, waterproof, dustproof and approved for use in Division 2 hazardous areas and operates up to 260oC.

 


 
Optional accessories
Qty
Part Number
Magnetic shield (reduce sensitivity to AC magnetic field by 100:1)
1
M10449
Straight cable connector rated for continuous operation at 1210C
1
M43660
Right-angle connector rated for continous operation at 1210C
1
M14797
Mounting Block (XY) for Model 544M Velocity Sensors
1
M60014
Mounting Bracket MS (XY) for sensor
1
M60019
Mounting Bracket ML (XY) for sensor
1
M60020

Specifications  
 
Performance
Frequency Response 14 to 1,000 Hz within ± 8% 10HZ - 20% (average) at 21°C
Sensitivity: 42.52 mV/mm/sec ± 10%
Impedance: R=2k ohms, L = 0.7 H at 21°C
Maximum Amplitude: 3175 microns Pk - Pk to 70 Hz; 30 g above 70 Hz
Transverse Response: Less than 5% (average) 10 to 1,000 Hz
Isolation: Signal insulated from case

Mounting
Orientation: Any (horizontal & vertical best)
Mounting: (4) holes 7.15mm Dia. on 2 × 2 centres
Grounding: Case and signal ground isolated
Connector: 2-pin Mil Spec
Environmental
Operating range: -40°C to 260°C
Housing: IP65, Waterproof, Dustproof
Weight & Dimensions
 
Weight: 0.7Kg
Dimensions: 63.5mm (W) x 63.5mm (L) x 123.8(H) overall
Dimensions: 63.5mm (W) x 63.5mm (L) Square base
   
   
 
Mechanalysis (India) Ltd. strives to continue to improve the above specification and retains the right to change them without notice
   
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