Overview
Quartz triaxial accelerometers are advanced sensing devices that measure dynamic acceleration across three orthogonal axes using the piezoelectric properties of quartz crystals. Unlike single-axis sensors, they provide comprehensive motion data critical for complex systems like aircraft inertial guidance, automotive crash testing, and industrial machinery monitoring. First developed for aerospace applications in the 1960s, modern variants combine MEMS technology with quartz's inherent stability to achieve 0.1% linearity. Their three-axis integration eliminates the need for multiple sensors, reducing system complexity in vibration analysis and structural health monitoring setups.
Structure and Working Principle
The sensor comprises three quartz sensing elements arranged perpendicularly within a hermetically sealed housing, typically made of stainless steel or titanium. Each axis contains a precision-mass-loaded quartz beam that generates charge proportional to applied acceleration via the direct piezoelectric effect. Internal signal conditioning circuits convert the micro-vibrations into voltage outputs, with cross-axis sensitivity below 3% in premium models. Advanced designs incorporate temperature compensation networks to maintain ±0.5% accuracy across -40°C to +125°C operating ranges. The absence of moving parts ensures >100,000g shock survival ratings.
Key Features
Three-axis quartz accelerometers deliver 0.1-10,000 Hz frequency response ranges, with top-tier models achieving 0.0001g resolution. Their inherent quartz properties provide exceptional long-term stability (<1% drift/year) compared to MEMS alternatives. Military-grade versions feature EMI-shielded designs with 100g pk operating ranges, while industrial variants prioritize 4-20mA outputs for noisy environments. The best-in-class models integrate built-in anti-aliasing filters and offer RS485 or CAN bus interfaces for daisy-chaining multiple units in structural monitoring networks.
Application Areas
In aerospace, these sensors are critical for FDR (flight data recorder) systems and satellite attitude control, where radiation-hardened versions withstand 100kRad TID. Automotive test engineers use them for crash simulation (5000g capable) and NVH analysis. Industrial applications include predictive maintenance on turbines (detecting misalignment as low as 0.01g) and seismic monitoring in oil rigs. Emerging uses encompass human motion capture for biomechanics research and stabilizing drone gimbals in high-vibration environments.
Maintenance and Precautions
Annual recalibration is recommended for mission-critical applications using ISO 16063-21 compliant shakers. Avoid exposing sensors to >85% RH without proper conformal coating, as moisture ingress can degrade quartz's piezoelectric properties. When mounting, use the supplied torque wrench (typically 2-5 Nm) to prevent base strain effects. For high-temperature installations (>125°C), specify special cabling with PTFE insulation. Always discharge static electricity before handling to protect internal FET amplifiers.
B2B Procurement Guide
Specify required parameters: full-scale range (±2g to ±500g typical), bandwidth (DC-2kHz common), output type (IEPE, digital, or wireless), and environmental ratings (IP67 minimum for outdoor use). Lead times range from 4 weeks for standard models to 12+ weeks for customized aerospace variants. Top manufacturers include PCB Piezotronics (USA), KISTLER (Switzerland), and Sinocera (China). For bulk orders (50+ units), expect 15-30% discounts. Always request third-party calibration certificates traceable to NIST standards. Consider leasing programs for short-term test projects to reduce capital expenditure.
Related Manufacturers
- 主营：沉降监测仪器、压力变送器、差压变送器、压力传感器、温度传感器、电磁流量计、液位变送器、涡街流量计、涡轮流量计、质量流量计、温度压力仪表、压力控制仪表暂无推荐商品
- 主营：氧气分析仪、氢气分析仪、露点仪、红外传感器、激光传感器、紫外传感器、多组分气体分析仪、红外气体分析仪、激光气体分析仪、紫外气体分析仪、气体分析系统、报警器、热值分析仪暂无推荐商品
- 主营：温度传感器、三轴加速度计、测量设备、挠性加速度计
- 主营：减速机、电磁阀、变频器、传感器、东电研、编码器、控制器、触摸屏、主控板、驱动器、sss定位器、泽村电机、伺服电机、纠偏电源、承总仓库、纠偏控制器、电眼、磁粉张力
- 主营：三菱、富士、派克、传感器、力士乐、费斯托、欧姆龙、西门子、福禄克、防爆开关、ABB、图尔克、巴鲁夫、松下、PHv阀门、Mks、流量计、米顿罗、雄克、海德汉、万福乐、伦茨变频器
- 主营：高温高压窗口片、蓝宝石晶圆片、密度计、石英晶圆片、石英器皿、石英烧瓶、石英坩埚、螺旋管、光催化反应器、比色皿、砂芯、投料杯、半导体治具、反应釜、激光保护镜片、镀膜片、激光腔体、锥形瓶、蒸馏瓶、圆底烧瓶、研磨板、压条、UV镀膜片、烧杯、酶标板
- 主营：金属壳、测控仪表、水位测控仪、压力传感器、荷重传感器、高度传感器、荷重测控仪、超载限制器
- 主营：压力测定仪、重力传感装置、压力传感装置、三维力传感器、拉压力传感器、拉力传感器、压力传感器、加速度传感器、振动传感器、扭矩传感器、力传感器、扭力传感器、防水压力传感器、防水拉力传感器、六维力传感器、三分力传感器、冲击力传感器、三轴加速度传感器、位移传感器、动态扭矩传感器、动态扭力传感器、静态扭矩传感器、压向力传感装置、推拉力传感装置、夹持力传感装置
- 主营：语言报警器、矿用自动洒水降尘装置、矿用电动球阀、12R矿用光控传感器、矿用反冲洗式水质过滤器、无极绳绞车配件
- 主营：三分量力传感器、六分量力传感器、温度压力传感器、拉扭复合力传感器、拉力传感器、扭矩传感器、位移传感器
- 主营：漏液控制器、漏水检测线、酸碱漏液检测线、漏水传感器、水浸传感器、漏水检测传感器、光电水浸传感器、漏水检测系统、漏液侦测带、漏水感应绳、扁平漏液侦测带、漏水监测系统、防爆漏液控制器、漏液检测带、定位漏水控制器、扁平漏水侦测带、扁平漏水检测线、漏液检测线、酸碱扁平漏液检测带
- 主营：刹车片、液压失效保护制动器、液压盘式制动器、摩擦片传感器、钳盘式制动器、电力液压臂盘式制动器、电力液压推动器、电磁盘式制动器、气动盘式制动器、电力液压制动器、偏航 制动器、高速轴制动器、偏航摩擦片
- 主营：单轴双路、地质罗盘、电子罗盘、传感器、倾角传感器、角度传感器、静力水准仪、单路倾角开关
- 主营：平衡机、动平衡机、全自动平衡机、传感器、半自动动平衡机、手动平衡机、立式单机平衡机、制动盘动平衡机、制动鼓钻铣两用动平衡机、铣削动平衡机、铆接动平衡机、焊接动平衡机、曲轴动平衡机、单机检测机、立式钻削动平衡机、卧式钻削动平衡机、单面立式平衡机、双面立式平衡机、全自动双工位铣削平衡、卧式圈带转动平衡机、YYD转动轴平衡机、ZDQ小电机、发动机贯流风叶平衡机、离合器压盘钻削平衡机、精衡动平衡机、精衡机械
- 主营：数字仪表、s形拉压双向、模拟型变送器、静扭传感器、单点式传感器、三轴力传感器、悬臂式传感器、微应变传感器、压缩式传感器、动态扭矩传感器、压力传感器ns100a、拉压双向传感器、压力传感器ns115p、微型压式传感器、数字峰值保持器
- 主营：LED太阳光模拟器、LED太阳模拟器、太阳光模拟器、丹东三轴平移台、太阳模拟器、氙灯光源、卤钨灯光源、测量系统、光纤光谱仪、太阳电池、可移探针座、iv测试温控台、吸收光谱测试、电池夹具、光电压测试系统、光电测试系统、单色仪
- 主营：4activec2、同步灯、分析仪、传感器、三轴力、高频三轴、单灯头、控制器、陀螺仪、液位计、蜂窝铝、执行器、tapeswitch、ge德鲁克、汽车碰撞、高速相机、感应开关、点爆测试、触边开关、感应触边、带状开关、压力变送器、电荷放大器、保险杠测试、高速摄影机
- 主营：螺旋电子、电子皮带、皮带电子秤、9363称重传感器、配料计量秤、称重给煤机、称重给料机、电子皮带秤、称重显示控制器、称重仪表、非标自动送煤机、给煤机配煤系统定制、耐压式称重给煤机、皮带秤、给煤机
- 主营：喷射器、高压软管、聚能管、传感器、船用风机、速凝剂、气浮搬运车、螺旋千斤顶、手拉葫芦、牵引绞索、道口栏木机、矿用风门、树篦子、临时支护、叉车吊、皮带硫化机、链轮组件、矿用密闭门、电动卷扬机、翻车机、拆缸机、洗靴机、电动搬运坦克车、矿车轮对、搬运气垫、裤管风机