Industrial, Low Profile Accelerometers

Low Profile Industrial Grade Accelerometers

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Data Sheet (PDF)

$276.28

Item# ACC787A

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Corrosion Resistant
Reverse Wiring Protection
Rugged Industrial Design
Ground Isolated
ESD Protection

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ACC787A Model Options

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Acceleration Range

Frequency Range (Nominal)

Output Type

Mounting Type

Features

Specs

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Amplitude Non-linearity 1%
Accuracy Value 5% of axial
Base Strain Sensitivity 0.002 g/microstrain
Connection Type 2 pin
Electrical Noise Broadband 2.5 Hz to 25 kHz: 700 µg
Electrical Noise Spectral 10 Hz: 10 µg/Hz
Electromagnetic Sensitivity 70 µg/gauss
Form Factor 1/4-28 captive hex head screw with 1.2 mm (0.046") diameter safety wire hole
Input Current 2 to 10 mA
Grounding Isolated case
Measurement Type Speed
Resonance Frequency 0.7 to 10
Output Impedance 100 Ω
Seal Material Hermetic to 10-8 cc/s
Sensitivity ±10%
Vibration 500 g peak
Transverse Sensitivity 5% of axial
Shock 5000 g peak

The OMEGAROMETER Series accelerometers are one of the best accelerometers designed for industrial vibration measurements. These accelerometers feature a hermetically sealed 316L stainless steel case suitable for harsh environments. The ACC787A is a general purpose accelerometer with a low profile 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
ELECTRICAL
Power Requirement:
Voltage Source¹: 18 to 30 Vdc
Current Regulating Diode^1,2: 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 Ω
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^-8 cc/s
Base Strain Sensitivity, Max: 0.002 g/microstrain
PHYSICAL
Weight: 145 g (5.1 oz)
Case Material: 316L SS
Mounting: ¼-28 captive hex head screw with 1.2 mm (0.046') diameter safety wire hole
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:
1 To 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).

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Data Sheet (1)

ACC787A-series_spec

Questions & Answers

I need your confirmation about the maximum distance between the sensor and the PLC, in this moment our client have 70 meters between sensor and PLC, I need confirmation about the required cable for this sensor. The client have a model 1756-IA16I.

Asked by: EmmanuelCaceres

Cabling for accelerometers need to kept as short as possible. If you are need to run a signal a long distance you would have to convert the signal 4 to 20mADC signal. Omega does not offer this type of signal conditioning. We suggest you contact someone like Dytran Instruments for a complete system consisting of the sensor, cabling and signal conditioning

Answered by: applications engineer JK

Date published: 2021-09-09