石英加速度计NV-QA100
Quartz
Accelerometer NV-QA100
NV-QA100单轴石英挠性加速度计(简称QA表),是由石英差动电容传感器和再平衡力矩器组成的伺服系统。其活动部分无接触摩擦,采用融凝石英板和与之配合的低膨胀合金组合而成,具有滞后小、分辨率高、稳定性好、体积小、重量轻、精度高等优点,已在相关领域得到广泛应用,并远销欧美、澳大利亚及亚洲多个国家。
应用范围 | 特点 |
| | | · 滞后小 · 分辨率高 · 稳定性好 · 精度高 | |
Applications | Features |
| - Drilling inclination
measurement
- Aeronautics
and voyage
- Instruments
and equipments
| | - Low lag
- High resolution
- High stability
- High accuracy
|
性能指标/Specification
工作性能 Performance | 量程/Range | ≥|±50| g |
偏值/Bias | ≤|±4| mg |
偏值温度系数 Bias Temperature
Coefficient | ≤|±40| μg/degC |
偏值月重复性 (1 s) Bias One Month
Repeatability (1 s) | ≤30 μg |
偏值年稳定性 (1 s) Bias One Year
Stability (1 s) | ≤350 μg |
标度因数/Scale
Factor | 1.00~1.35 mA/g |
标度因数温度系数 Scale Factor
Temperature Coefficient | ≤|±100| ppm/degC |
标度因数月重复性 (1 s) Scale Factor One
Month Repeatability (1 s) | ≤35 ppm |
标度因数年稳定性 (1 s) Scale Factor One
Year Stability (1 s) | ≤360 ppm |
二阶非线性系数 Second-Order
Nonlinear Coefficient | ≤|±45| μg/g2 |
二阶非线性系数月重复性 (1 s) Second-Order
Nonlinear Coefficient One Month Repeatability
(1 s) | ≤25 μg/g2 |
失准角/Axis
Misalignment | ≤|±380 | sec |
失准角年稳定性 (1 s) Axis Misalignment One Year Stability (1 s) | ≤20 sec |
分辨率/Resolution | ≤1 μg |
带宽/Bandwidth | ≥1000 Hz |
偏值温度模型/Bias
Temperature Model | Yes |
标度因数温度模型/Scale
Factor Temperature Model | Yes |
电气特性 Electrical | 静态电流/Quiescent Current | ≤|±16| mA |
功耗/Power
Consumption @±15VDC | ≤480 mW |
输入电压/Input Voltage | ±15±0.75 VDC |
使用环境 Environmental | 工作温度/Operating Temperature | -55 degC ~ +85 degC |
振动/Vibration | 8 g (20~2000
Hz) |
冲击/Shock | 70 g, 1/2 sine,
11 ms |
物理特性 Physical | 尺寸/Size | Φ38.2 × 25.9 mm |
重量/Weight | ≤80 grams |
外壳材料/Case Material | 不锈钢/Stainless Steel |