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Model: 649A04

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USB Programmable 4-20 mA Transmitter

  • Measurement Range: (Velocity) 0.5 to 3 in/sec pk (12.7 to 76.2 mm/s pk)
  • Output: (±5%) 4 mA
  • Frequency Range: (-6dB) 180 to 60000 cpm (3 to 1000 Hz)

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Measurement Range (Velocity )0.5 to 3 in/sec pk12.7 to 76.2 mm/s pk[5][6][7][4] 
Measurement Range (Acceleration )1 to 10 g pk9.8 to 98.1 m/s² pk[8][7][4] 
Measurement Range (Displacement )4 to 20 mil pk - pk0.1 to 0.5 mm pk - pk[9][7][4] 
Output (±5 %)4 mA4 mA 
Output (±10 %)20 mA20 mA 
Frequency Range (-6 dB)180 to 60000 cpm3 to 1000 Hz[1][2][3][4] 
Frequency Range180 to 300000 cpm3 to 5000 Hz[1][2][4] 
Frequency Range180 to 600000 cpm3 to 10000 Hz[1][2][4] 
Frequency Range600 to 60000 cpm10 to 1000 Hz[1][2][4] 
Frequency Range600 to 300000 cpm10 to 5000 Hz[1][2][4] 
Frequency Range600 to 600000 cpm10 to 10000 Hz[1][2][4] 
Temperature Range-40 to +185 °F-40 to +85 °C 
Excitation Voltage15 to 30 VDC15 to 30 VDC 
Settling Time (within 2% of value)<30 sec<30 sec 
Electrical Isolation (Case)>100000000 Ohm>100000000 Ohm 
Size - Hex1.0 in25.4 mm 
Size - Height2.6 in66 mm 
Weight4.6 oz129 gm[10] 
Mounting Thread1/4-28 UNFNo Metric Equivalent 
Mounting Torque3 to 5 ft-lb4 to 7 Nm 
Sensing ElementCeramicCeramic 
Sensing GeometryShearShear 
Housing MaterialStainless SteelStainless Steel 
SealingWelded HermeticWelded Hermetic 
Electrical Connector2-Pin MIL-C-50152-Pin MIL-C-5015 
Electrical Connection PositionTopTop 
Electrical Connections (Pin A)4-20 mA Pos (+)4-20 mA Pos (+) 
Electrical Connections (Pin B)4-20 mA Neg (-)4-20 mA Neg (-) 

All specifications are at room temperature unless otherwise specified.


Product Notes
[1] 1Hz = 60 cpm (cycles per minute).
[2] Current will fluctuate at frequencies below 5 Hz.
[3] Factory Set
[4] USB Programmable with 600A21 kit.
[5] Conversion Factor 1 in/sec = 25.4 mm/sec.
[6] Factory set, 0.5 in/sec rms.
[7] FS - Full Scale.
[8] Conversion Factor 1g = 9.81 m/s².
[9] Conversion Factor 1 mil = 0.0254 mm
[10] Typical.
[11] See PCB Declaration of Conformance PS124 for details.
081A40Mounting Stud(1)
Optional Versions:
(M) Metric Mount
    M081A61Mounting Stud(1)
(RV) Buffered Analog Signal Output - 100 mV/g (±20%)
    Electrical Connector3-Pin MIL-C-5015
    Electrical Connections (Pin A)4-20 mA Pos (+)
    Electrical Connections (Pin B)4-20 mA Neg/Signal Output Neg
    Electrical Connections (Pin C)Signal Output Pos
Product Documents
Additional Downloads
- NEW Programming Software for Use with 070A103 Dongle (EE225)
 For use with 070A103 dongle to program 649A-Series devices. For users that are still using the old 070A82 dongle and software, please contact the factory for a no charge upgrade.

- FINAL - Updated Mini-Tri Accel Sheet April 2018.pdf