loop powered 4-20 ma output reciprocating machinery protector (rmp)

Reciprocating Machinery Protector (RMP)

Model 649A01

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  • CE
  • IP

Loop Powered 4-20 mA Output Reciprocating Machinery Protector (RMP)

The patented Reciprocating Machinery Protector offers a 4-20 mA output that is calculated by counting the number of impacts, comparing them to the vibration thresholds and weighting them.


  • Output: 4-20 mA (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] See PCB Declaration of Conformance PS039 or PS053 for details.

English: SI:
Performance
Output 4-20 mA 4-20 mA
Machinery RPM Range 240 to 10000 cpm 4 to 166 Hz
Time Window 0.1 to 4.0 sec 0.1 to 4.0 sec
Weighting Factor 0.2 to 16 mA 0.2 to 16 mA
Trending Range Current 4 to 20 mA 4 to 20 mA
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 - Hex 1.25 in 32 mm
Size - Height 2.60 in 66 mm
Weight 7 oz 198 gm
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 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.

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

Product Documents

Product Specifications

Product Manual

Product Drawing

Product Downloads

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