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Model: EX611A20

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High temperature,intrinsically safe, charge mode accelerometer with UHT-12 tm shear sensing crystal, 10 pC/g sensitivity, 1200 degree F, 10 ft integral hard-line cable.

When using Model EX682A40 or 421A30 differential charge amplifier, also use 045M21A cable.

  • Sensitivity: (±5%) 10 pC/g (1.02 pC/(m/s²))
  • Measurement Range: ±200 g pk (±1962 m/s² pk)
  • Frequency Range: (±5%) 2800 Hz
  • Electrical Connector: LEMO PCA.0S.302.CLLC42
  • Weight: 6.3 oz (180 gm)

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Sensitivity (±5 %)10 pC/g1.02 pC/(m/s²) 
Measurement Range±200 g pk±1962 m/s² pk 
Frequency Range (±5 %)2800 Hz2800 Hz[3] 
Frequency Range (+10 %)3700 Hz3700 Hz[3] 
Resonant Frequency>17 kHz>17 kHz[1] 
Non-Linearity≤1 %≤1 %[4] 
Transverse Sensitivity≤5 %≤5 %[2] 
Overload Limit (Shock)±5000 g pk±49050 m/s² pk 
Temperature Range-65 to +1200 °F-54 to +650 °C[5] 
Temperature Range-165 to +1300 °F-109 to +704 °C[6] 
Temperature ResponseSee Graph See Graph [1] 
Base Strain Sensitivity0.005 g/µε0.05 (m/s²)/µε[1] 
Radiation Exposure Limit (Integrated Neutron Flux)1 E10 N/cm²1 E10 N/cm² 
Radiation Exposure Limit (Integrated Gamma Flux)1 E8 rad1 E8 rad 
Hazardous Area ApprovalEx ia IIC T6 . . . T 710°C GaEx ia IIC T6 . . . T 710°C Ga 
Hazardous Area ApprovalIECEx Ex ia IIC T6 . . . T 710°C GaIECEx Ex ia IIC T6 . . . T 710°C Ga 
Capacitance (Pin to Pin)320 pF320 pF[1] 
Capacitance (Pin to Case)360 pF360 pF[1] 
Insulation Resistance (Pin to Case 70° F)>1000000000 Ohm>1000000000 Ohm[1] 
Insulation Resistance (Pin to Pin 70° F)>1000000000 Ohm>1000000000 Ohm 
Insulation Resistance (Pin to Pin 900° F)>100 kohm>100 kohm 
Insulation Resistance (Pin to Pin 1200° F)>20 kohm>20 kohm 
Output PolarityDifferentialDifferential 
Sensing ElementUHT-12™UHT-12™ 
Sensing GeometryShearShear 
Housing MaterialInconelInconel 
Size - Height.787 in20 mm 
Size - Length1.465 in37 mm 
Size - Width1.456 in37 mm 
Weight (without cable)6.3 oz180 gm[1] 
Electrical ConnectorLEMO PCA.0S.302.CLLC42LEMO PCA.0S.302.CLLC42 
Electrical Connection PositionSideSide 
Cable Length10 ft3 m 
Cable TypeMI Hardline CableMI Hardline Cable 
MountingThrough HoleThrough Hole 

All specifications are at room temperature unless otherwise specified.


Product Notes
[1] Typical.
[2] Transverse sensitivity is typically <= 3%.
[3] Low frequency response is determined by external signal conditioning electronics.
[4] Zero-based, least-squares, straight line method.
[5] Continuous
[6] Extreme
[7] See PCB Declaration of Conformance PS122 for details.
081A115M6 x 1 x 25 mm long(1)
ICS-1NIST-traceable single-axis amplitude response calibration from 600 cpm (10 Hz) to upper 5% frequency(1)
Optional Versions:
No optional versions
Product Documents
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