AC979 Series
Nonincendive Intrinsically Safe, CSA North America Class 1, Division 1 and IECEx/ATEX Zone 0,1 Approved Biaxial Accelerometer, Side Exit 3 Pin Connector, with X and Z Axis, 100 mV/g, ±10%
Regulatory Information
CSA 221421
Ex ia IIC T3/T4 Ga
Ex ia I Ma
AEx ia IIC T3/T4 Ga
CLI Groups A, B, C, D
CLII Groups E, F, G; CLIII
CLI, Zone 0
Operating Temp Code: T3
Ambient Temp Range = -40 to 121°C
Operating Temp Code: T4
Ambient Temp Range = -40 to 80°C
Control Drawing INS10012
Ex ia IIC T3 -40°C < Ta < +121°C
Ex ia IIC T4 -40°C < Ta < +80°C
200 ft (61 m) Maximum Allowable Integral
Cable Length
Approved Cabling: CB192*, CB298 (*Approved for Use in T4 Applications Only)
Requires One IS111-1B Intrinsic Safety Barrier Per Sensor
Ex ia IIC T3/T4 Ga
Ex ia I Ma
AEx ia IIC T3/T4 Ga
CLI Groups A, B, C, D
CLII Groups E, F, G; CLIII
CLI, Zone 0
Operating Temp Code: T3
Ambient Temp Range = -40 to 121°C
Operating Temp Code: T4
Ambient Temp Range = -40 to 80°C
Control Drawing INS10012
Ex ia IIC T3 -40°C < Ta < +121°C
Ex ia IIC T4 -40°C < Ta < +80°C
200 ft (61 m) Maximum Allowable Integral
Cable Length
Approved Cabling: CB192*, CB298 (*Approved for Use in T4 Applications Only)
Requires One IS111-1B Intrinsic Safety Barrier Per Sensor
Sira 15ATEX2152X
IECEx SIR 15.0060X
Ex ia IIC T3/T4 Ga
Ex ib IIIC T135°C...T143°C Db
Operating Temp Code: T143°C Db
Ambient Temp Range = -40°C to 121°C
Operating Temp Code: T135°C
Ambient Temp Range = -40°C to +80°C
Ex ia I Ma
Connector Exit Entity Parameters:
Ui = 28 Vdc, li = 120 mA, Pi = 1W, Ci = 28nF, Li = 0µH
Integral Cable Entity Parameters
Ui = 28 Vdc, li = 120 mA, Pi = 1W, Ci = 40nF, Li = 40.2µH
AC979-1D
3 Pin Connector
| Connector Pin | Polarity |
| A (Axis X) | (+) Signal/Power |
| B (Axis Z) | (+) Signal/Power |
| C | (-) Common |
Stock Product
AC979-2D
CB192 Molded Integral Cable
| Conductor | Polarity |
| Green (Axis X) | (+) Signal/Power |
| White (Axis Z) | (+) Signal/Power |
| Black | (-) Common |
Built To Order
AC979-3D
CB298 Armored Integral Cable
| Conductor | Polarity |
| Green (Axis X) | (+) Signal/Power |
| White (Axis Z) | (+) Signal/Power |
| Black | (-) Common |
Built To Order
| Specifications | Standard | Metric | |
|---|---|---|---|
| Environmental | |||
| Operating Temperature Range | -58 to 250°F | -50 to 121°C | |
| Electromagnetic Sensitivity | CE | ||
| Sealing | Welded, Hermetic | ||
| Physical | |||
| Sensing Element | PZT Ceramic | ||
| Sensing Structure | Shear Mode | ||
| Weight | 6.9 oz | 195 grams | |
| Case Material | 316L Stainless Steel | ||
| Mounting Thread | 1/4-28 | ||
| Connector (Non-Integral) | 3 Pin MIL-C-5015 | ||
| Mounting Torque | 1 to 2 ft. lbs. | 1,4 to 2,7 Nm | |
| Mounting Hardware Supplied | 1/4-28 Captive Bolt | M6x1 Captive Bolt | |
| Calibration Certificate | CA10 |
Typical Frequency Response
