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SPECIFICATIONS
MODEL SERIES 3256A LIVM ACCELEROMETERS
SPECIFICATION VALUE UNITS
PHYSICAL
WEIGHT 10 grams
SIZE, HEX x HEIGHT .50 x 0.91 inches
MOUNTING PROVISION 10-32 X .150 DEEP TAPPED HOLE
CONNECTOR, RADIALLY MOUNTED 10-32
coaxial
MATERIAL, BASE, CAP & CONNECTOR TITANIUM
GROUNDING SIGNAL GROUNDED TO HOUSING
SEISMIC ELEMENT TYPE CERAMIC, PLANAR SHEAR
PERFORMANCE
3256A1 3256A2 3256A3 3256A4 3256A5 3256A6
SENSITIVITY, ± 5% [1] 10 100 500 20 50 200 mV/g
RANGE F.S. FOR ± 5 VOLTS OUT ± 500 ±50 ±10 ±250 ±100 ±25 g
FREQUENCY RANGE, ± 5% 1 to 10,000 Hz
RESONANT FREQUENCY, NOM. 32 kHz
EQUIVALENT ELECTRICAL NOISE .007 .0007 .00014 .0035 .0014 .003 g rms
LINEARITY [2] ± 2 %F.S.
TRANSVERSE SENSITIVITY, MAX. 5 %
ENVIRONMENTAL
3256A1 3256A2 3256A3 3256A4 3256A5 3256A6
MAXIMUM VIBRATION 600 400 200 600 500 400 ±g
MAXIMUM SHOCK 3000 2000 1000 3000 3000 2000 gpk
TEMPERATURE RANGE -60 to +250 °F
SEAL, HERMETIC Glass-to-metal/welded
COEFFICIENT OF THERMAL SENS .06 %/°F
ELECTRICAL
SUPPLY CURRENT [3] 2 to 20 mA
COMPLIANCE VOLTAGE RANGE 18 to +30 V
OUTPUT IMPEDANCE, TYP. 100 Ω
BIAS VOLTAGE, +10.5 VOLTS NOM. +9 to +12 Vdc
DISCHARGE TIME CONSTANT, NOM. 0.5 sec
OUTPUT SIGNAL POLARITY Positive
FOR ACCELERATION TOWARD TOP
Accessories supplied: (1) Model 6200 mounting stud.
[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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