Aerospace Quartz Accelerometer

ER-QA-01A：
1.Bias repeatability：10μg；
2.Scale factor repeatability : 10ppm；
3. Class II non-linearity repeatability：10μg/g².

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Introduction

ER-QA-01A Aerospace Quartz Accelerometer

Application
ER-QA-01A Aerospace Quartz Accelerometer with high precision is used in carrier’s microgravity measuring system, inertial navigation system, static angle measurement system.

Features
High Precision
High Performance

Specifications

No.	Parameter	ER-QA-01A3	ER-QA-01A2	ER-QA-01A1	Unit
0	Threshold/Resolution	5	5	5	μg
1	Bias	≤1	≤3	≤3	mg
2	Scale Factor	1.1~1.5	1.1~1.5	1.1~1.5	mA/g
3	Second-order Non-linearity	≤10	≤10	≤15	μg/g2
4	Bias Temp Coefficient	≤10	≤20	≤30	μg/℃
5	Scale Factor Temp Coefficient	≤10	≤20	≤30	ppm/℃
6	Bias Repeatability	≤10	≤20	≤30	μg
7	Scale Factor Repeatability	≤10	≤20	≤30	ppm
8	Second-order Non-linearity Repeatability	≤10	≤10	≤10	μg/g2
9	Natural Frequency	≤800	≤800	≤800	Hz
10	Acceleration Range	≥20	≥20	≥20	g
11	Vibration	8	8	8	grms
12	Shock	120g, 4.5ms, 1/2sin
13	Operating Temp	-45~+80	-45~+80	-45~+80	℃
14	Weight	≤80	≤80	≤80	g
15	Resolution	≤5×10 -6	≤5×10 -6	≤5×10 -6	g
16	Operating Voltage	±12~±15	±12~±15	±12~±15	v