High Temperature Charge Output Accelerometer

Product catalog summary

Overview: The High Temperature Charge Output Accelerometer Model EX611A00 by IMI® is designed for extreme heat environments such as gas turbines and nuclear power plants. It is suitable for applications like bearing health monitoring, condition monitoring, and structural damage assessment.

Key Features:

Shear mode sensing element for reduced sensitivity to thermal transients.
Temperature survivability up to 1300 °F (704 °C).
Standard 10-foot integral hard-line cable with a 2-pin mini MIL connector, with options for different lengths and connectors.
Competitive warranty, pricing, lead time, and height advantage.
Hazardous location approvals.

Typical Applications:

Gas turbine bearing health monitoring.
Commissioning of nuclear power plants.
Condition monitoring of power generation turbines.
Machinery protection in high-temperature environments.
Turbine health management and structural damage monitoring.

Technical Specifications:

Sensitivity: 10 pC/g (1.02 pC/(m/s²)).
Measurement Range: ± 200 g pk (± 1962 m/s² pk).
Frequency Range: 2.8 kHz (± 5%), 3.7 kHz (± 10%).
Resonant Frequency: >17 kHz.
Non-Linearity: ≤ 1%.
Transverse Sensitivity: ≤ 5%.
Overload Limit (Shock): ± 500 g pk (± 4905 m/s² pk).
Temperature Range: -65 to +1300 °F (-54 to +650 °C continuous, -109 to +704 °C extreme).
Radiation Exposure Limit: 1 E10 N/cm² (Integrated Neutron Flux), 1 E8 rad.
Hazardous Area Approval: Ex ia IIC T6 . . . T 710°C Ga, IECEx Ex ia IIC T6 . . . T.
Electrical Capacitance: 320 pF (Pin to Pin), 360 pF (Pin to Case).
Insulation Resistance: >109 Ohm (Pin to Case at 70 °F), >100 kohm (Pin to Pin at 900 °F), >20 kohm (Pin to Pin at 1200 °F).
Output Polarity: Differential.
Sensing Element: Single Crystal, Shear Geometry.
Housing Material: Inconel, Hermetically Sealed.
Size: 0.787 in x 1.465 in x 1.456 in (20 mm x 37 mm x 37 mm).
Weight: 6.3 oz (180 gm).
Electrical Connector: 7/16-27 2-Pin, Side Position.
Cable Type: MI Hardline Cable, 10 ft (3 m).
Mounting: Through Hole.

Certifications: ISO 9001 Certified, A2LA Accredited to ISO 17025.

Catalog excerpts

High Temperature Charge Output Accelerometer-1

IMI Sensors: A PCB Piezotronics Division High Temperature Charge Output Accelerometer Designed to withstand application challenges of extreme heat environments such as gas turbines and nuclear power plants Highlights n Featuring shear mode sensing element vs. compression mode Less sensitivity to thermal transients Extended temperature survivability range to 1300 °F (704 °C) Warranty, pricing, lead time, and height advantage over the competition Hazardous location approvals Gas Turbine Bearing Health Monitoring Commissioning of Nuclear Power Plants Condition Monitoring of Power Generation Turbines Machinery Protection in Extremely High Temperature Environments Turbine Health Management IMI® has developed this new High Temperature Charge Mode Accelerometer Model EX611A00 to be used in various gas turbine applications such as bearing health monitoring, condition monitoring, and structural damages monitoring. Other applications include commissioning of nuclear power plants. The new model extends temperature survivability range to 1300 °F (704 °C) in an industrial housing. The unit comes standard with a 10 foot (3 meter) integral hard-line cable terminating in a 2 pin mini MIL connector, but other cable lengths and terminating connectors are available (LEMO connector). Structural Damages on Gas Turbines Series EX611A00 High temperature charge mode accelerometer

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High Temperature Charge Output Accelerometer-2

High Temperature Charge Output Accelerometer Technical Specifications Model Number Technical Specifications Performance Part Number Sensitivity (± 5 %) Measurement Range Frequency Range (± 5 %) Frequency Range (± 10 %) Resonant Frequency Non-Linearity Transverse Sensitivity Sensing Element Sensing Geometry Housing Material Sealing Temperature Range Temperature Range Base Strain Sensitivity Radiation Exposure Limit (Integrated Neutron Flux) Radiation Exposure Limit (Integrated Neutron Flux) Hazardous Area Approval Hazardous Area Approval Environmental Overload Limit (Shock) Model Number Size (Height...

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