Uniaxial accelerometer JA-5H190

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Overview
JA-5H190 are high-performance servo-balanced quartz accelerometers designed by Japan Aviation Electronics (JAE) with integrated electronics providing an analog current output signal. They offer very high resolution and excellent long-term stability, engineered for harsh downhole environments.

Key features

• Sensor technology: MEMS quartz (servo balanced quartz)
• Number of sensitive directions: Uniaxial
• Output signal: Analog current output
• Measurement range: ±4 g
• Temperature range: -20 °C to +190 °C

Performance

• Resolution: better than 1 µg
• Stability / long-term performance: combined scale factor and bias shift less than 1.8 mg over one year (Combined K1 and K0: 1.8 mg)

Applications

• Downhole applications including Directional Drilling, MWD/LWD and Wireline
• Rugged design for reliable long-term operation at elevated temperatures (up to 190 °C)

Additional information
The integrated electronic circuitry enables an analog current output signal suitable for demanding measurement environments. The product is distributed with an applicable export regulation (general export license for the product), as stated by the authorized distributor.

Technical specifications

• Model: JA-5H190
• Manufacturer: Japan Aviation Electronics (JAE)
• Sensor type: Analog accelerometer (JAE quartz)
• Sensor technology: MEMS quartz (servo balanced quartz accelerometer)
• Sensitive axes: Uniaxial
• Output: Current (analog)
• Measurement range: ±4 g
• Resolution: < 1 µg
• Stability: Combined K1 and K0: 1.8 mg (combined scale factor and bias shift < 1.8 mg over one year)
• Operating temperature range: -20 °C to +190 °C
• Designed applications: Downhole (Directional Drilling, MWD/LWD, Wireline) and other high-temperature, rugged environments