
SPECIFICATIONS 
MODEL 3143D2 TRIAXIAL LIVM ACCELEROMETER 
SPECIFICATION   VALUE   UNITS 
PHYSICAL 
WEIGHT    14   Grams 
SIZE, L X W X H            .82 x .82 x .34     Inches 
MOUNTING PROVISION, THRU HOLE      6-32 MOUNTING SCREW  
CONNECTOR, RADIALLY MOUNTED   4-PIN 
MATERIAL, HOUSING & CONNECTOR      TITANIUM 
ELEMENT TYPE   SHEAR MODE 
PERFORMANCE 
SENSITIVITY, ± 5%   [1]   50   mV/g 
RANGE F.S. FOR ± 5 VOLTS OUTPUT      ± 100       g’s 
FREQUENCY RANGE, ± 5%   0.5 to 3000  Hz 
RESONANT FREQUENCY, NOM.  25   kHz 
EQUIVALENT ELECTRICAL NOISE FLOOR  .0014   g’s RMS 
LINEARITY  [2]    ± 1%   % F.S. 
TRANSVERSE SENSITIVITY, MAX.   5  % 
STRAIN SENSITIVITY    .012  g’s/μσ  @ 250 μσ 
ENVIRONMENTAL 
MAXIMUM VIBRATION/SHOCK   600/1500 ± g’s/g’s PEAK 
TEMPERATURE RANGE, OPERATING      -60 to +185     
TEMPERATURE RANGE, SURVIVAL   -100 TO +225  °F 
SEAL, (WELDED, GLASS-TO-METAL CONNECTOR)   HERMETIC 
COEFFICIENT OF THERMAL SENSITIVITY  .03   %/oF 
ELECTRICAL 
SUPPLY CURRENT RANGE  [3]        2 to 20       mA 
COMPLIANCE VOLTAGE RANGE   +18 to +30  VDC 
OUTPUT IMPEDANCE, TYP.   100   Ohms 
BIAS VOLTAGE, +12 VOLTS NOM.        +11 to +13      VDC 
DISCHARGE TIME CONSTANT, NOM.   1  Sec 
OUTPUT SIGNAL POLARITY FOR ACCELERATION TOWARD TOP   Positive 
ELECTRICAL ISOLATION, CASE GROUND TO MOUNTING SURFACE    10 Megohms, min. 
RECOMMENDED CABLES  6041C (4-PIN CONNECTORS BOTH ENDS)  FOR USE WITH 4113B OR  
     4103C POWER UNITS  
        6811A (4-PIN CONNECTOR TO 3-BNC’s  FOR USE WITH MULTI  
     CHANNEL POWER UNITS AS  
     MODEL 4114B 
Accessories supplied: (1) Model 6247A2 mounting screw. 
[1] Measured at 100 Hz, 1 G RMS per ISA RP 37.2. 
[2] Measured using zero-based best straight line method, % of F.S. or any lesser range. 
[3] Do not apply power to this device without current limiting, 20 mA MAX. To do so will destroy the integral IC    
   amplifier. 
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F 
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