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2-pin
connector
(15/16")
1/4-28
mounting hole
25.4
(1.0)
45.21
(1.78)
61.47
(2.42)
24 hex
premium-grade
accelerometers
top-mount premium grade
Dimensions:
mm (inch)
acc793
FM
APPROVED
Optional
U Intrinsic Safety
Certified Options
U Hermetic Design
U Ground Isolated
U ESD Protection
U Reverse Wiring Protection
The OMEGAROMETER™ Series
accelerometers are designed for
industrial vibration measurements.
They feature a hermetically sealed
316L SS case suitable for harsh
environments. The ACC793 is a
high-performance model with a
top cable exit. FM and CSA
intrinsic safety approval is an
available option.
SPECIFICATIONS
DYNAMIC
Sensitivity, ±5%, 25°C (77°F): 100 mV/g
Acceleration Range: 80 g peak
Amplitude Non-Linearity: 1%
Frequency Response:
±5%: 1.5 to 5000 Hz
±10%: 1.0 to 7000 Hz
±3 dB: 0.5 to 15,000 Hz
Resonance Frequency: 25 kHz
Transverse Sensitivity, Maximum:
5% of axial
Temperature Response:
-50°C (-58°F) = -10%
120°C (248°F) = 5%
ELECTRICAL
Power Requirement:
Voltage Source: 18 to 30 Vdc
Current Regulating Diode1: 2 to 10 mA
Electrical Noise (Equiv. g, Nominal):
Broadband: 2.5 Hz to 25 kHz: 600 µg
Spectral: 10 Hz: 8 µg/=Hz
100 Hz: 5 µg/=Hz
1000 Hz: 5 µg/=Hz
Output Impedance, Maximum: 100 Ω
Bias Output Voltage: 12 Vdc
Grounding: Isolated case,
internally shielded
Optional
ENVIRONMENTAL
Temperature Range: -50 to 120°C
(-58 to 248°F)
Vibration Limit: 500 g peak
Base Strain Sensitivity, Maximum:
0.0005 g/microstrain
Sealing: Hermetic to 10
PHYSICAL
Weight: 112 g (3.9 oz)
Case Material: 316L SS
Mounting:
Output Connector:
2 pin, MIL-C-5015 style
Connections:
Pin A: Power/signal
Pin B: Common
Mating Connector:
Amphenol 97-3106A-10SL-4S type
Recommended Cabling:
ACC-CB7-10
To Order
MODEL NO. DESCRIPTION
ACC793 Premium accelerometer with top exit connector
ACC793-FM FM-certified intrinsically safe premium accelerometer
ACC793-CSA CSA-certified intrinsically safe premium accelerometer
ACC793 includes mounting stud and calibration data. Specify cable separately; see Accessories.
ACCESSORIES
MODEL NO. DESCRIPTION
ACC-CB7-10 3.05 m (10') MIL/BNC twisted-pair shielded cable
ACC-CB7-10WP 3.05 m (10') waterproof twisted-pair shielded cable
ACC-B3 Magnetic mounting base for flat surfaces, 30 lbf
ACC-B5 Magnetic mounting base for curved surfaces, 30 lbf
ACC-PS2 Rechargeable power supply with built-in amplifier
ACC-PS3* 115 Vac power supply
* Add suffix “-230” for 230 Vac power supply, no extra charge.
Ordering Example: ACC793 + ACC-CB7-10 + ACC-B3 + ACC-PS2, typical
accelerometer system.
-8
cc/s
1
⁄4-28 tapped hole
with top exit cable
with top exit cable
K-11
ACC793 with
ACC-CB7-10WP
cable shown
smaller than
actual size.
Mounting
stud
included!
Agency Approvals:
FM: Class I, II, III, Division I,
Groups A, B, C, D, E, F, G; Division II,
Groups A, B, C, D, F, G
CSA: Class I, Division I, Groups
A, B, C, D
NOTE: 1 A maximum current of 6 mA is
recommended for operating temperatures
above 100°C (212°F).
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