Products

Reciprocating Machinery Protector

Model EX649A71

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Units in Stock	Lead Times
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Intrinsically-safe Reciprocating Machinery Protector, 4-20 mA output, top exit, terminal block with conduit elbow

Provides early warning of faults and mechanical looseness in reciprocating compressors, eliminates false trips, outputs exclusive Reciprocating Fault Index (RFI), trends peak acceleration before alarm event occurs, hermetically sealed, 4-20 mA loop powered, field programmable with USB interface (Model 070A103) CSA and ATEX approved, supplied with explosion proof conduit elbow.

Output: 4-20 mA
Machinery RPM Range: 240 to 10000 cpm (4 to 166 Hz)
Temperature Range: -40 to 212 °F (-40 to 100 °C)
Excitation Voltage: 15 to 30 VDC

Specification Notes

[1] 1Hz = 60 cpm (cycles per minute).
[2] USB Programmable
[3] See PCB Declaration of Conformance PS053 or PS070 for details.

	English:	SI:
Performance
Output	4-20 mA	4-20 mA
Machinery RPM Range	240 to 10000 cpm	4 to 166 Hz	[1] [2]
Time Window	0.1 to 4.0 sec	0.1 to 4.0 sec	[2]
Weighting Factor	0.2 to 16 mA	0.2 to 16 mA	[2]
Trending Range Current	4 to 20 mA	4 to 20 mA	[2]
Threshold Level	2 to 50 g	2 to 50 g
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	5.8 in	147 mm
Size - Width	3.85 in	98 mm
Weight	1.1 lb	500 gm
Mounting Thread	1/4 NPT	1/4 NPT
Sensing Element	Piezoelectric Accelerometer	Piezoelectric Accelerometer
Housing Material	Stainless Steel	Stainless Steel
Sealing	Welded Hermetic	Welded Hermetic
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
Screw Terminal Wire Size	12-24 AWG	3.0 - .2mm²
Conduit Housing Thread	1" NPT Female	Not Applicable