High Performance Quartz Accelerometer

ER-QA-03A:
1. Bias repeatability: 10-50μg;
2. Scale factor repeatability: 15-50ppm;
3. Class II non-linearity repeatability: 10-30μg/g².

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Introduction

ER-QA-03A High Performance Quartz Accelerometer

Introduction
ER-QA-03A High Performance Quartz Accelerometer with high reliability is mainly used in inertial measurement and test systems in the aerospace and aviation fields. It can carry out static test and dynamic test, which is a standard vibration sensor.

Features
The high performance quartz flexible accelerometer uses high-quality quartz crystals to achieve high precision acceleration measurement with extremely high reliability and stability. Its special flexible construction enables it to adapt to high acceleration applications under various environmental conditions, such as high temperature, high pressure and high vibration environments.

Application
In addition to being widely used in aerospace and military fields, high performance quartz flexible accelerometers are also widely used in automotive, medical and scientific research fields. In the field of scientific research, they can be used to study earthquakes, crustal movements, cosmology, and microgravity environments.

Specifications

No.	Parameters	ER-QA-03A1	ER-QA-03A2	ER-QA-03A3	Unit
1	Range	±50	±50	±50	g
2	Threshold/Resolution	5	5	5	μg
3	Bias	≤ (±3)	≤ (±5)	≤ (±7)	mg
4	Scale factor	1.3±0.2	1.3±0.2	1.3±0.2	mA/g
5	Class II non-linearity	≤ (±20)	≤ (±30)	≤ (±30)	μg /g²
6	Bias repeatability	≤10	≤30	≤50	μg
7	Scale factor repeatability	≤15	≤30	≤50	ppm
8	Class II non-linearity repeatability	≤ (±10)	≤ (±20)	≤ (±30)	μg /g²
9	Bias temp coefficient	≤ (±10)	≤ (±30)	≤ (±50)	μg/℃
10	Scale factor temp coefficient	≤ (±20)	≤ (±30)	≤ (±50)	ppm /℃
11	Noise	≤5	≤8.4	≤8.4	mv
12	Natural frequency	400~800	400~800	400~800	Hz
13	Bandwidth	800~2500	800~2500	800~2500	Hz
14	Vibration	6g (20-2000Hz)
15	Shock	100g, 5ms, 1/2sin
16	Operating temperature	-40~+80	-40~+80	-40~+80	℃
17	Temperature range	-60~+120	-60~+120	-60~+120	℃
18	Power voltage	±12~±15	±12~±15	±12~±15	V
19	Current	≤(±20)	≤(±20)	≤(±20)	mA
20	Temp. sensor	Yes and no two type
21	Size	Ф25.4X30	Ф25.4X30	Ф25.4X30	mm
22	Weight	≤80	≤80	≤80	g