AXO315T1 (TDK-Tronics High-temperature MEMS Accelerometer)

English Professional Translation

It is a single-axis digital accelerometer featuring high temperature resistance, strong vibration resistance and high precision. It is mainly used for MWD logging and directional navigation in oil drilling, replacing traditional quartz accelerometers with smaller size, lower cost and longer service life.

1. Product Introduction

Brand & Series: Tronics under TDK, AXO315T1 (high-temperature version of AXO315, T1 stands for +175℃)Type: Single-axis closed-loop high-temperature MEMS accelerometer with 24-bit digital SPI outputPackage: Hermetic ceramic SMD, 28-pin J-LEAD, compact size and excellent harsh environment resistance

2. Core Functions

Tilt & attitude detection: Precisely measure linear acceleration within ±14g range to calculate inclination and orientation of downhole tools for directional drilling navigation.High temperature stability: Continuous operation from -30℃ to +175℃, service life over 1000 hours at 175℃, ideal for high-temperature deep well environments.Excellent vibration resistance: Adopts closed-loop structure with vibration suppression of 20μg/g², 10 times stronger than ordinary MEMS, stable performance without drift under severe drilling vibration.High precision & low noise: Bias temperature drift 1.7mg, noise density 10μg/√Hz, ensuring long-term stable and accurate measurement.Easy integration with digital output: Equipped with SPI interface and built-in self-test function, plug-and-play, perfectly compatible with downhole main control boards.

3. Application Scope

Core Application: Oil & Gas Drilling (High Temperature & Heavy Vibration)

MWD, LWD, directional drilling toolsDownhole navigation modules, drill bit attitude control, well trajectory measurementWireline logging and high-temperature downhole instruments (150℃~175℃)

Extended Application: Industrial & High-end Inertial Fields

High-temperature industrial attitude monitoring, vibration testing equipmentInertial Measurement Unit (IMU), high-temperature Attitude Heading Reference System (AHRS)Replacement for traditional quartz accelerometers: smaller size, lighter weight, lower cost and no export control restrictions

4. Key Specifications

Measurement Range: ±14gOperating Temperature: -30℃ ~ +175℃Vibration Suppression: 20μg/g²Communication Interface: 24-bit SPIService Life: Over 1000 hours at 175℃Features: High temperature resistance, strong shock resistance, high precision, digital output, quartz accelerometer replacement

Brief Summary

AXO315T1 is a 175℃ high-temperature, shock-resistant and high-precision MEMS accelerometer. It is the preferred choice for oil drilling MWD navigation, serving as a reliable quartz replacement with compact structure.