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Home > 4-20 mA Transmitters > 649A01
 

 

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Reciprocating Machinery Protector (RMP)
Model 649A01     
 
Loop Powered 4-20 mA Output Reciprocating Machinery Protector (RMP)

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 070A82- sold separately)

Reciprocating Machinery Protector Data Sheet
  • Output: 4-20 mA
  • Machinery RPM Range: 150 to 4800 cpm (2.5 to 80 Hz)
  • Sampling Time: 0.2 to 6.4 sec
  • Temperature Range: -40 to 212 °F (-40 to 100 °C)
  • Excitation Voltage: 15 to 30 VDC
 
 
SpecificationsDrawingProduct ManualPictureDownloads 
PERFORMANCE ENGLISH SI
Output 4-20 mA
4-20 mA
Machinery RPM Range 150 to 4,800 cpm
2.5 to 80 Hz
Sampling Time 0.2 to 6.4 sec
0.2 to 6.4 sec
Weighting Factor 0.1 to 20 mA
0.1 to 20 mA
Peak Coupling Current Range 4 to 20 mA
4 to 20 mA
Shock Threshold Limit 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 N-m
Sensing Element Piezoelectric Accelerometer
Piezoelectric Accelerometer
Housing Material Stainless Steel
Stainless Steel
Sealing Welded Hermetic
Welded Hermetic
Electrical Connector MIL-C-5015
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) 5,000 g pk
49,050 m/s2 pk
SUPPLIED ACCESSORIES:
Model 081A41 Mounting stud 1/4-28 socket head set screw brass tip stainless steel 5/8" long (1)
OPTIONAL VERSIONS
EX - Hazardous Area Approval- contact factory for specific approvals
M - Metric Mount
Supplied Accessory : Model M081A61 Mounting Stud 1/4-28 to M6 X 1 (1) replaces Model 081A41

All specifications are at room temperature unless otherwise specified.
NOTES:
[1] See PCB Declaration of Conformance PS039 or PS053 for details.
[2] AEx ia IIC T4
[3] AEx nA IIC T4
[4] Class I, Div. 1, Groups A, B, C and D; Class II, Div. 1, Groups E, F, and G; Class III, Div. 1
[5] Class I, Div. 2, Groups A, B, C, D
[6] Ex ia IIC T4, II IG
[7] Ex ia IIC T4.
[8] Ex nL IIC T4, II 3 G
[9] Ex nL IIC T4.




View Spec Sheet: 649A01_A.pdf