Small Size Quartz Accelerometer For Aerospace

MWD Quartz Accelerometer

ER-QA-02C (100μg) Features:
1. Anti-vibration;
2. High-temperature;
3. Especially applied for MWD and continuous north seeking systems.

Share to:

Introduction

ER-QA-02C Excellent Anti-Vibration and High-Temp Accelerometer For MWD

ER-QA-02C Excellent Anti-Vibration & High-Temp Accelerometer for MWD is specially applied for MWD and continuous north seeking systems, also can be widely used in other harsh working conditions.

Applications
MWD and continuous north seeking systems
Harsh working environment

Specifications

No.	Parameters	ER-QA-02C02	ER-QA-02C01	Unit
1	Bias	≤10	≤15	mg
2	Scale Factor	2.5~3.5	2.5~3.5	mA/g
3	Bias Temp Coefficient	≤60	≤100	ug/℃
4	Scale Factor Temp Coefficient (20~120℃)	≤120	≤150	ppm/℃
5	Scale Factor Temp Coefficient (120-150℃)	≤200	≤500	ppm/℃
6	Bias Repeatability	≤100	≤100	μg
7	Scale Factor Repeatability	≤100	≤100	ppm
8	Acceleration Range	±10	±10	g
9	Vibration	20g (20~2000)Hz	20g (20~2000)Hz	g, Hz
10	Shock	1000g, 0.5ms, 1/2sin	1000g, 0.5ms, 1/2sin	g, ms
11	Operating Temp	-45~+150	-45~+150	℃
12	Weight	≤30	≤55	g
13	Operating Voltage	±7~± 12	±7~± 12	V

Install dimension:

Small Accelerometer Dimension

The electrical interface relationship of the servo circuit is shown in Table 1. The terminal arrangement and description should comply with the requirements of Figure 1. The terminal arrangement is a bottom view (pins upward).

Dimension Of Accelerometer 02

Table 1 Servo circuit electrical interface relationship

Pinout Serial Number	symbol	Pin function	Pinout Serial Number	symbol	Pin function
1	M_L	Signal output terminal	6	T_se	PT1000 First End
2	M_H	Current test terminal	7	C_ext1	Differential capacitance detection terminal 1
3	V_-	Negative power supply terminal	8	C_ext2	Differential capacitance detection terminal 2
4	V₊	Positive power supply terminal	9	V_O-	PT1000 second terminal
5	GND	ground	10	V_O+	Regulator positive output(+9V)