Products

BEARING FAULT DETECTOR (BFD)

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

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

	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