DYTRAN 3225M23 DATA SHEET

SPECIFICATIONS

MODEL 3225M23 MINIATURE IEPE ACCELEROMETER

SPECIFICATION VALUE UNITS
PHYSICAL

WEIGHT 1 gram
SIZE (DIA x LENGTH HEX x HEIGHT) 0.25 x 0.43 x .215 inch
MOUNTING PROVISION Flat mounting surface for adhesive mount
CONNECTOR, RADIALLY MOUNTED [1] 3-56
CASE MATERIAL Titanium
SENSING ELEMENT TYPE Piezoceramics, planar shear

PERFORMANCE

SENSITIVITY, ±10% [2] [3] 50 mV/g
RANGE F.S. FOR ± 5 VOLTS OUT ±100 g
FREQUENCY RESPONSE, ± 10% [3] 2 to 10,000 Hz
MOUNTED RESONANT FREQUENCY, NOM. 40 kHz
EQUIVALENT ELECTRICAL NOISE FLOOR .0002 grms
AMPLITUDE NON-LINEARITY, 2 % F.S., MAX.
(ZERO BASED BEST-FIT ST.LINE METHOD)
TRANSVERSE SENSITIVITY, MAX. 5 %
STRAIN SENSITIVITY @ 250µε .05 g/µε

ENVIRONMENTAL

MAXIMUM VIBRATION 400 grms
MAXIMUM SHOCK 5000 gpk
TEMPERATURE RANGE -60 TO +220 °F
THERMAL COEFFICIENT OF SENSITIVITY .15 %/°F
ENVIRONMENTAL SEAL Hermetic, TIG welded & glass-to-metal seal connector

ELECTRICAL

SUPPLY CURRENT [4] 2 to 20 mA
COMPLIANCE VOLTAGE RANGE +18 to +30 Volts
OUTPUT IMPEDANCE, TYP. 70 Ω
BIAS VOLTAGE +11 to +13 Vdc
DISCHARGE TIME CONSTANT, NOM. 0.4 sec
OUTPUT SIGNAL POLARITY FOR ACCELERATION TOWARD TOP Positive

SUPPLIED ACCESSORIES:

(1) MODEL 6591A INSTALLATION REMOVAL WRENCH
(2) 6298 SMALL PETRO WAX

NOTES:

[1] CONNECTOR MATES ONLY WITH DYTRAN CABLE MODEL 6003AXX (XX IS LENGTH IN FEET)
[2] MEASURED AT 100 Hz, 1 grms PER ISA RP37.2.
[3] ACTUAL SENSITIVITY IS GIVEN ON A CALIBRATION CERTIFICATE TRACEABLE TO NIST, SUPPLIED WITH EACH INSTRUMENT.
[4] 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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