Dynamic Transducers and Systems
21592 Marilla St. • Chatsworth, CA 91311 • Phone 818-700-7818
www.dytran.com • e-mail: info@dytran.com
SPECIFICATIONS
MODEL 3225M7 MINIATURE LIVM ACCELEROMETER
SPECIFICATION VALUE UNITS
PHYSICAL
WEIGHT 0.6 GRAMS
SIZE (DIA x LENGTH HEX x HEIGHT) 0.25 x 0.43 x .150 INCHES
MOUNTING PROVISION Flat mounting surface for adhesive mount
CONNECTOR, RADIALLY MOUNTED [1] 3-56 JACK
CASE MATERIAL Titanium
SENSING ELEMENT TYPE Quartz, planar shear
CABLE (INCLUDED) Model 6003B10, coaxial terminating in 10-32 plug, 10 ft. long
PERFORMANCE
SENSITIVITY, ±10% [2] [3] 1.0, nom. mV/G
RANGE F.S. FOR ± 5 VOLTS OUT ±5000 (out of range) G's
FREQUENCY RESPONSE, ± 10% [3] 1.6 to 10,000 Hz
MOUNTED RESONANT FREQUENCY, NOM. 40 kHz
EQUIVALENT ELECTRICAL NOISE FLOOR .007 G's RMS
AMPLITUDE NON-LINEARITY (ZERO BASED BEST-FIT ST.LINE METHOD) 2.0 % F.S., MAX.
TRANSVERSE SENSITIVITY, MAX. 5 PERCENT
STRAIN SENSITIVITY .0005 G's per microstrain @ 250/μσ
ENVIRONMENTAL
MAXIMUM VIBRATION 400 G's, RMS
MAXIMUM SHOCK 5000 G's,PEAK
TEMPERATURE RANGE -60 TO 250 °F
THERMAL COEFFICIENT OF SENSITIVITY .03 %/°F
ENVIRONMENTAL SEAL Hermetic, TIG welded & glass-to-metal seal connector
ELECTRICAL
SUPPLY CURRENT/COMPLIANCE VOLTAGE RANGE [4] 2 to 20/+18 to +30 mA/Volts
OUTPUT IMPEDANCE, TYP. 100 Ohms
BIAS VOLTAGE +7 to +9 VDC
DISCHARGE TIME CONSTANT, NOM. 0.3 Sec
OUTPUT SIGNAL POLARITY FOR ACCELERATION TOWARD TOP Positive
CASE GROUNDING Case is grounded to electrical power ground
SUPPLIED ACCESSORIES:
(1) MODEL 6003B10 COAXIAL CABLE
(1) MODEL 6591A INSTALLATION REMOVAL WRENCH
(1) 6198 PETRO WAX
NOTES:
[1] CONNECTOR MATES ONLY WITH 10-32 MICRO COAXIAL JACK.
[2] MEASURED AT 100 Hz, 1 G RMS 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.
OPERATING INSTRUCTIONS
2