HIGH-PERFORMANCE TRIAXIAL
ACCELEROMETERS
10 mV/g OUTPUT PER AXIS
ACC301A
U Ideal Vibration Monitoring in 3 (X-Y-Z) Axis
U Small Size and Lightweight
U For Use in Vehicles, Laboratories,
Industrial Applications
OMEGA’s ACC301A triaxial accelerometer is ideal
for lightweight single-point monitoring in 3 (X-Y-Z)
planes. This accelerometer has a very low noise floor
and a wide frequency range of up to 10 kHz. The
ACC301A weighs only 13.6 g (0.48 oz), yet its titanium
construction makes it very rugged.
SPECIFICATIONS
Excitation: 2 mA nominal @ 15 to 30 Vdc,
1 to 6 mA maximum constant current
Sensitivity @ 100 Hz, ±5%:
10 mV/g - 1.02 mV/(m/s²)
Frequency Range:
±5%: 3 Hz to 7 kHz
±10%: 2 Hz to 8 kHz
±3db: 1 Hz to 10 kHz
Turn on Time (2% of Final Bias):
<5 seconds
Amplitude Range @22°C (72°F): ±500 g
Mounted Resonance: >25 kHz
Transverse Sensitivity: <5%
Temperature Range:
-40 to 121°C (-40 to 250°F)
Base Strain: 0.0005 g peak/μstrain
Shock Limit: 5000 g
Noise Broadband 2.5 Hz to 25 kHz:
1500 µ (rms)
Noise Spectral:
10 Hz: 100 μg/sqrt Hz (rms)
100 Hz: 25 μg/sqrt Hz (rms)
1000 Hz: 10 μg/sqrt Hz (rms)
Output Impedance: 1000 Ω
Isolation: Isolated, >100 Meg Ω
Noise Rejection (EMI/RFI): >52 db
Bias Voltage: 7 Vdc
Weight: 13.6 g (0.48 oz) nominal
(without cable)
Case Material: Titanium
Design: Isolated compression
Environmental Seal: Splashproof epoxy
Dimensions: 21 H x 21 W x 28 mm D
(0.85 x 0.85 x 1.1")
Connector: Side 4-pin, ¼-28 female
termination, cable sold separately
(order Model No. ACC-CB3-6)
Mounting: 10-32 removable stud
Mounting Torque Maximum: 2.2 N-m
(20 in-lb)
Dimensions: mm (inch)
Actual size.
To Order Visit omega.com/acc301 for Pricing and Details
MODEL NO. DESCRIPTION
ACC301A Triaxial accelerometer
ACC-CB3-6 1.8 m (6') 4-conductor cable (male/male) required
Comes complete with operator’s manual.
Note: The compatible meters are for single input only. For multichannel instrumentation,
consult the Omega Pressure Department.
ACCESSORIES
MODEL NO. DESCRIPTION
MAGNET2 Magnetic mounting base (10 lb holding force)
19.1 Dia. x 19.1 mm high (0.75 x 0.75")
POWER SUPPLIES
ACC-PS4A Triaxial accelerometer power supply/amplifier
Interface cables used between power supply and instrumentation
ACC-CB4-15 4.6 m (15') coaxial cable (BNCM/BNCM)
ACC-CB5-2 0.6 m (2') coaxial cable (BNCM/banana plug)
ACC-CB6 178 mm (7") coaxial cable (BNCM/pigtail)
ACC-CB3-A 4-pin female/female adaptor
See omega.com for details on the above accessories.
Ordering Example: ACC301A, accelerometer, ACC-CB3-6, coaxial cable, ACC-PS4A,
power supply, (3) ACC-CB6, coaxial cables.
K-13
ACC-PS4A power supply
4-PIN 1/4-28
CONNECT
6.4
(0.25)
10-32 X 0.13"
TAPPED MOUNTING
HOLE
ACC301A shown with
ACC-CB3-6 cable, and
MAGNET2 magnetic
mounting base.
CUBE
Y
8.9
(0.35)
12.7
(0.50)
(TITANIUM)
Z
OR
X
7.19 DIA.
(0.25)
DYNAMIC MEASUREMENT
K