Anti-Vibration and High-Temp Accelerometer for Oil & Gas

ER-QA-02B (100μg) Features:
1. Anti-vibration Performance;
2. High Temperature;
3. Specially applied for Oil & Gas Fields.

Share to:

Introduction

ER-QA-02B Anti-Vibration and High-Temp Accelerometer for Oil & Gas

Applications
ER-QA-02B Anti-Vibration & High-Temp Accelerometer for Oil & Gas Field is specially applied for continuous north seeking systems, also can be widely used in other harsh working conditions.

Features
Anti-vibration
High accuracy

Specifications

No.	Parameters	ER-QA-02B02	ER-QA-02B01	Unit
1	Bias	≤10	≤10	mg
2	Scale Factor	2.5~3.5	2.5~3.5	mA/g
3	Bias Temp Coefficient	≤60	≤80	ug/℃
4	Scale Factor Temp Coefficient (20~120℃)	≤80	≤100	ppm/℃
5	Scale Factor Temp Coefficient (120~150℃)	≤500	≤500	ppm/℃
6	Bias Repeatability	≤100 (3~7 days)	≤100 (one day)	μg
7	Scale Factor Repeatability	≤100 (3~7 days)	≤100 (one day)	ppm
8	Acceleration Range	±10	±10	g
9	Vibration	20g (20~2000Hz)	20g (20~2000Hz)	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	≤55	≤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)