Triaxial Quartz Accelerometer

ER-3QA-02E (3×10^-5~1×10^-4g) Features:
1. High performance 3-Axis;
2. Digital output;
3. Low power consumption.

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Introduction

ER-3QA-02E High Performance Triaxial Quartz Accelerometer

Introduction
ER-3QA-02E High Performance Triaxial Quartz Accelerometer with high performance,is composed of three A15 acceleration sensors, 24 bit high precision A/D converter, 16 bit ultra low power consumption single chip microcomputer and mechanical structure. ER-3QA-02E has the features of digital output, high precision installation error, temperature compensation and low power consumption.

Specifications

Parameters	Unit	ER-3QA-02E1	ER-3QA-02E2	ER-3QA-02E3	ER-3QA-02E4
Range	g	±2	±4	±8	±16
3H stability (0g)	g	3×10^-5	4×10^-5	5×10^-5	1×10^-4
Scale factor	v/g	1±0.1	0.5±0.05	0.25±0.025	0.125±0.0125
Power supply	v	±15	±15	±15	±15
Output frequency	Hz	200	200	200	200
Electrical interface	/	Rs422	Rs422	Rs422	Rs422
Working temperature	℃	-40~+60	-40~+60	-40~+60	-40~+60
Storage temperature	℃	-45~+65	-45~+65	-45~+65	-45~+65
Vibration	/	8g 20~2000Hz 60min
Shock	/	120g, 4.5ms, 1/2sin	120g, 4.5ms, 1/2sin	120g, 4.5ms, 1/2sin	120g, 4.5ms, 1/2sin
Size	mm	60×60×39	60×60×39	60×60×39	60×60×39

Install dimension

422 Output Interface Protocol

Baud Rate: 460800 Parity Bit: None

Data Bits: 8 Stop Bits: 1

Update Rate: 200hz

Data Packet Format

No.	Field Name	Byte Count	Description
1～2	Frame Header	2	0XA5 0XB6
3～6	X Accelerometer Output	4	Long integer data, little-endian (low byte first)
7～10	Y Accelerometer Output	4	Long integer data, little-endian (low byte first)
11～14	Z Accelerometer Output	4	Long integer data, little-endian (low byte first)
15	Frame Counter	1	0X00-0XFF
16	Checksum	1	Sum of bytes 2 to 15, no carry, initial value 0X00