Omega Products ACC787A User Manual

31.24 (1.23)
26.42 (1.04)
2 pin connector
MIL-C-5015
23.37 (0.92)
11 (7/16) hex head
Side View
6.35 (.25)
Deviation, %
20
10
0
–10
–20
–20 0 255080
Temperature, °C
TYPICAL TEMPERATURE RESPONSE
120
TYPICAL FREQUENCY RESPONSE
Deviation, dB
0.7
10 100 1 k 10 k
Frequency, Hz
3
1
0
1
–3
2
–2
53.34 (2.10)
25.15 (0.99)
36.58 (1.44)
Bottom View
1/4-28 mounting thread
13.97 (0.55)
R
LOW-PROFILE INDUSTRIAL-GRADE ACCELEROMETERS
Corrosion ResistantReverse Wiring
Protection
Ground IsolatedESD Protection
The OMEGAROMETER™ Series accelerometers are designed for industrial vibration measurements. They feature a hermetically sealed 316L SS case suitable for harsh environments. The ACC787A is a general purpose model with a side cable exit.
SPECIFICATIONS
DYNAMIC Sensitivity, ±10%, 25°C (77°F):
100 mV/g
Acceleration Range1: 80 g peak Amplitude Non-Linearity: 1% Frequency Response:
±10%: 1.0 to 5000 Hz ±3 dB: 0.7 to 10,000 Hz
Resonance Frequency:
22 kHz
Transverse Sensitivity, Max: 5% of axial
Temperature Response:
See graph
ELECTRICAL Power Requirement:
Voltage Source1:
18 to 30 Vdc
Current Regulating Diode
2 to 10 mA
Electrical Noise, Equiv. g Nominal:
Broadband: 2.5 Hz to
25 kHz: 700 µg
Spectral:
10 Hz: 10 µg/Hz 100 Hz: 5 µg/Hz
1000 Hz: 5 µg/Hz
Output Impedance, Max: 100 Bias Output Voltage, Nominal: 12 Vdc Grounding: Isolated case,
internally shielded
ENVIRONMENTAL Temperature Range: -50 to 120°C
(-58 to 248°F)
Vibration Limit: 500 g peak Shock Limit: 5000 g peak Electromagnetic Sensitivity,
Equiv. g, Max: 70 µg/gauss Sealing: Hermetic to 10-8cc/s Base Strain Sensitivity, Max:
0.002 g/microstrain
PHYSICAL Weight: 145 g (5.1 oz) Case Material: 316L SS Mounting:1⁄4-28 captive hex head screw
with 1.2 mm (0.046") diameter safety wire hole
1, 2
ACC787A
Mounting screw
included!
$
245
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
NOTES:1To minimize signal distortion when
driving long cables or high-vibration signals, 24 to 30 Vdc powering is recommended. The higher-level constant current source should be used when driving long cables.
2
A maximum current of 6 mA is recommended for operating temperatures above 100 °C (212°F).
Dimensions: mm (in)
:
IN STOCK FOR FAST DELIVERY!
To Order (Specify Model Number)
MODEL NO. PRICE DESCRIPTION
ACC787A $245 General purpose accelerometer with side exit connector
ACC787A includes captive mounting screw and calibration data. Specify cable separately; see Accessories.
ACCESSORIES
MODEL NO. PRICE DESCRIPTION
ACC-CB7-10 $60 3.05 m (10') MIL/BNC twisted-pair shielded cable ACC-CB7-10WP 90 3.05 m (10') waterproof twisted-pair shielded cable ACC-B3-1 125 Magnetic mounting base for flat surfaces, 40 lbf ACC-B5 125 Magnetic mounting base for curved surfaces, 30 lbf ACC-PS2 530 Rechargeable power supply with built-in amplifier ACC-PS3 525 115 Vac power supply
Note: See pages K-20 through K-22 for details on the above power supplies and cables. Ordering Example: ACC787A, accelerometer, ACC-CB7-10, cable, ACC-B3-1, mounting
base, and ACC-PS2, power supply (typical system), $245 + 60 + 125 + 530 = $960.
K-8
ACC787A, $245, with
ACC-CB7-10WP cable, $90,
shown smaller than actual size.
ACC787A Side View
ACC787A Bottom View
DYNAMIC MEASUREMENT
K
K
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