AC911 Series

Nonincendive Intrinsically Safe Accelerometer, CSA North America Class 1, Division 1 and IECEx/ATEX Zone 0,1 Approved Accelerometer, Top Exit 2 Pin Connector, 10 mV/g, ±10%
AC911-1A
2 Pin Connector
Connector Pin Polarity
A (+) Signal/Power
B (-) Common
A drawing showing the dimensions and pin configuration of a CTC AC911 industrial accelerometer.
Stock Product
AC911-2C
CB193 Integral Cable
Conductor Polarity
Red (+) Signal/Power
Black (-) Common
Shield Cable Drain Wire
A drawing showing the dimensions and pin configuration of a CTC AC911 industrial accelerometer with integral cable.
Built To Order
AC911-3C
CB296 Armored Integral Cable
Conductor Polarity
Red (+) Signal/Power
Black (-) Common
Shield Cable Drain Wire
A drawing showing the dimensions and pin configuration of a CTC AC911 industrial accelerometer with armored integral cable.
Built To Order
Specifications Standard Metric
Part Number AC911 M/ or M8/AC911
Sensitivity (±10%) 10 mV/g
Frequency Response (±3dB) 60-900,000 CPM 1,0-15000 Hz
Frequency Response (±10%) 120-360,000 CPM 2,0-6000 Hz
Dynamic Range ± 800 g, peak
Electrical
Settling Time <3 Seconds
Voltage Source 18-28 VDC
Constant Current Excitation 2-4 mA
Spectral Noise @ 10 Hz 100 µg/√Hz
Spectral Noise @ 100 Hz 90 µg/√Hz
Spectral Noise @ 1000 Hz 85 µg/√Hz
Output Impedance <100 ohm
Bias Output Voltage 10-14 VDC
Case Isolation >108 ohm
Specifications Standard Metric
Environmental
Operating Temperature Range -40 to 250 °F -40 to 121 °C
Maximum Shock Protection 5,000 g, peak
Electromagnetic Sensitivity CE
Sealing IP68
Submersible Depth 200 ft. 61 m
Physical
Sensing Element PZT Ceramic
Sensing Structure Shear Mode
Weight 3.2 oz 91 grams
Case Material 316L Stainless Steel
Mounting Thread 1/4-28 Blind Tapped Hole
Connector (Non-Integral) 2 Pin MIL-C-5015
Resonant Frequency 1,380,000 CPM 23000 Hz
Mounting Torque 2 to 5 ft. lbs. 2,7 to 6,8 Nm
Mounting Hardware Supplied 1/4-28 Stud M6x1 or M8x1.25 Adapter Stud
Calibration Certificate CA10

Typical Frequency Response

A line graph showing the frequency resopnse of a CTC AC911 condition monitoring sensor.