
JA25H200
Uniaxial, Q-MEMS
Measurement range: ±4 g
Temperature range: -40 °C to +200 °C
Stability: Combined K1 and K0: 1.8 mg
The Earth is a hot planet – about 99 % of its mass exude temperatures higher than 1,000 °C. Geothermal energy offers enormous potential for sustainable heat and electricity.
But accessing it means drilling several thousand meters through challenging geological formations – where extreme temperatures, shocks and vibrations make accurate measurement anything but simple.
Knowing and maintaining the exact drilling path is critical for efficient, cost-effective operations. This is where high-performance inertial sensors make a difference.
JAE’s servo quartz-based accelerometers of the JA-5 and JA-25 series, available through ASC Sensors, combine outstanding resolution and long-term stability with exceptional resistance to demanding downhole conditions. Key features include an operational temperature range of up to +200 °C, while the JA-25GA is specifically designed for directional drilling and MWD/LWD applications.
Complementing these solutions, the ASC QF series provides robust, low-noise acceleration measurement for demanding drilling environments.
From mining exploration to geothermal energy: Precision below ground creates value above it.
Looking to improve your drilling project? Make the connection to evaluate sensor solutions that add value.
Please get in touch. We would be glad to support you personally.
E-mail: service[at]asc-sensors.de
Phone: +49 8441 786547-0

Uniaxial, Q-MEMS
Measurement range: ±4 g
Temperature range: -40 °C to +200 °C
Stability: Combined K1 and K0: 1.8 mg

Uniaxial, Q-MEMS
Measurement range: ±4 g
Temperature range: -40 °C to +150 °C
Stability: Combined K1 and K0: 1.8 mg

Uniaxial, Q-MEMS
Measurement range: ±4 g
Temperature range: 0 °C to +200 °C
Stability: Combined K1 and K0: 1.8 mg

Uniaxial, Q-MEMS
Measurement range: ±4 g
Temperature range: -20 °C to +190 °C
Stability: Combined K1 and K0: 1.8 mg

Uniaxial, Q-MEMS
Measurement range: ±4 g
Temperature range: -40 °C to +175 °C
Stability: Combined K1 and K0: 1.8 mg

Uniaxial, capacitive
Measurement range: ±3 and ±5 g
Noise density: <1.2 µg/√H
Frequency range (±3 dB): DC to 700 Hz



ASC supplies high-precision inertial sensor solutions for demanding measurement tasks in several industries. Our engineers have a deep understanding of a wide variety of applications – for example in the rail transport sector, the automotive industry or for structural health monitoring systems. Discover now the diverse options that sensors from ASC offer you.

Triaxial, capacitive
Measurement range: ±2 to ±400 g
Noise density: 7 to 400 µg/√Hz
Frequency range (±5 %): DC to 2000 Hz

Triaxial, IEPE
Measurement range: ±16 to ±800 g
Frequency range (±10 %): 1.5 Hz to 12 kHz
Scale factor: 10 mV/g to 500 mV/g
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