High Precision MEMS Accelerometer 7700A1

Series 7700A1 is a variable capacitance accelerometer that is used as a drop in replacement for piezoresistive units in new or existing zero to medium frequency instrumentation applications. Available in various g ranges.

Applications in which it is used include:

  • Airbag testing,
  • Crash testing
  • Flight testing
  • Ride quality
  • Seismic Monitoring

The Dytran 7700A1 series is a high precision MEMS accelerometer.

Firstly, this sensor incorporates a MEMS Capacitive sensing. As well as an advanced ASIC to simulate piezoresistive bridge operation. It also contains a VC accelerometer chip with high drive, low impedance buffering. This allows the units to respond to both DC and AC acceleration.

Secondly, the onboard regulation minimises supply voltage variation effects. Therefore, making them insensitive to temperature changes and thermal gradients. The sensors are hermetically sealed and feature an integrated circuit amplifier and differential output stages. Incorporating a 4 pin M4.5 x 0.35 radial connector and 10-32 stud mounting capabilities.

Finally this sensor series uses the same power supply as piezoresistive and strain gauge sensors. They can then operate as a standalone differential output accelerometers or in place of piezo resistive bridge type.

Other features include:

  • Titanium
  • Hermetic
  • Differential output
  • MEMS technology
  • DC response
  • Same power supply requirements as strain gauge sensors

 

For more information, contact us.

 

High Precision MEMS Accelerometer 7700A1

Model Specifications
7700A1 10.19 mV/m/s² sensitivity, 49.05 m/s² range, 4–pin M4.5 x 0.35 radial connector, 10–32 tapped hole, 8 grams,–55 to 125°C operation

Recommended Accessories: 6200, 6209, 6221

Compatible Cable: 6949A, 6895A

 

7700A2 5.10 mV/m/s² sensitivity, 98.10 m/s² range, 4–pin M4.5 x 0.35 radial connector, 10–32 tapped hole, 8 grams,–55 to 125°C operation

Recommended Accessories: 6200, 6209, 6221

Compatible Cable: 6949A, 6895A

 

7700A3 2.04 mV/m/s² sensitivity, 245.25 m/s² range, 4–pin M4.5 x 0.35 radial connector, 10–32 tapped hole, 8 grams,–55 to 125°C operation

Recommended Accessories: 6200, 6209, 6221

Compatible Cable: 6949A, 6895A

 

7700A4 1.02 mV/m/s² sensitivity, 490.50 m/s² range, 4–pin M4.5 x 0.35 radial connector, 10–32 tapped hole, 8 grams,–55 to 125°C operation

Recommended Accessories: 6200, 6209, 6221

Compatible Cable: 6949A, 6895A

 

7700A5 0.51 mV/m/s² sensitivity, 981.00 m/s² range, 4–pin M4.5 x 0.35 radial connector, 10–32 tapped hole, 8 grams,–55 to 125°C operation
7700A6 0.25 mV/m/s² sensitivity, 1,962.00 m/s² range, 4–pin M4.5 x 0.35 radial connector, 10–32 tapped hole, 8 grams,–55 to 125°C operation

Recommended Accessories: 6200, 6209, 6221

Compatible Cable: 6949A, 6895A

 

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7700A1 Model series