Model : 649A03

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Lead Time for 1-5 is 4 Wks
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Bearing Fault Detector PLUS Transmitter (BFD+), Loop Powered 4-20 mA Output with USB Programming Interface

Provides early warning of Rolling Element Bearing (REB) faults, works on constant

  • Output: 4-20 mA
  • Excitation Voltage: 15 to 30 VDC

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English: SI:
Performance
Output (Loop power) 4-20 mA 4-20 mA
Sampling Time 1 sec 1 sec
Measurement Range (HPF 250 Hz) 0-2 to 0-50 g pk 0-2 to 0-50 g pk [1] [2]
Measurement Range (HPF 2500 Hz) 0-2 to 0-50 RMS 0-2 to 0-50 RMS [1] [2]
Compensated Peak (HPF 250 Hz) 1 to 16 1 to 16
Crest Factor (HPF 250 Hz) 1 to 16 1 to 16 [2]
Crest Factor Plus (HPF 250 Hz) 1 to 16 1 to 16 [2]
Bearing Diameter 1.57 to 19.69 in 40 to 500 mm
Bearing Rotation Speed 600 to 4800 RPM 10 to 80 Hz
Linearity (Loop powered) 10 % 10 %
Environmental
Temperature Range -40 to 212 °F -40 to 100 °C
Storage Temperature Range -40 to 257 °F -40 to 125 °C
Electrical
Excitation Voltage 15 to 30 VDC 15 to 30 VDC
Load Resistance 50(Vs-15) Ohm 50(Vs-15) Ohm
Electrical Isolation >10^8 Ohm >10^8 Ohm
Physical
Size - Height 2.60 in 66 mm
Size - Hex 1.25 in 32 mm
Weight 5.7 oz 162 gm [3]
Mounting Thread 1/4 - 28 UNF 1/4 - 28 UNF
Mounting Torque 3 to 5 ft-lb 4 to 7 Nm
Sensing Element Piezoelectric Accelerometer Piezoelectric Accelerometer
Housing Material Stainless Steel Stainless Steel
Sealing Welded Hermetic Welded Hermetic
Electrical Connector 2-Pin MIL-C-5015 2-Pin MIL-C-5015
Electrical Connection Position Top Top
Electrical Connections (Pin A) 4-20 mA Pos (+) 4-20 mA Pos (+)
Electrical Connections (Pin B) 4-20 mA Neg (-) 4-20 mA Neg (-)
Overload Limit (Shock) 5000 g pk 49050 m/s² pk
* All specifications are at room temperature unless otherwise specified
.


Specification Notes


[1] With 0.1g Step
[2] Customer programmable parameters
[3] Typical.
[4] See PCB Declaration of Conformance PS124 for details.


Accessories


Supplied
081A41 Mounting stud, 1/4-28 x 0.563" long stainless steel screw with hex socket and brass tip 1


Optional Versions


( M ) Metric Mount
Accessories:
Supplied M081A61 Mounting Stud 1


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