ER-QA-03C Small Size Quartz Accelerometer for Aerospace

Features:
1.Excellent turn-on repeatability performance
2.Environmentally rugged
3.Analog output

Product Details

ER-QA-03C is a smaller outline accelerometer, with high reliability, mainly used in Aviation and aerospace inertial test. Output current and the force by a linear output, the user can get high accuracy output by calculate, choose proper output load resistor. It can be used with both static and dynamic acceleration measurement. ER-QA-03C is a standard vibration sensor.

Quartz Accelerometer

Features:
1.Excellent turn-on repeatability performance
2.Environmentally rugged
3.Analog output
4.Field adjustable range
5.Smaller outline size


Specifications:

S/No

Parameters

ER-QA-03C A

ER-QA-03CB

ER-QA-03CC

1

Range

±60g

±60g

±60g

2

Threshold /Resolution

10μg

10μg

10μg

3

Bias k0/k1

≤(±5mg)

≤(±10 mg)

≤(±10 mg)

4

Scale factor kl

1.0±0.2 mA/g

1.0±0.2 mA/g

0.5~0.7mA/g

5

Class II nonlinearity coefficient k2/k1

≤±20μg/g2

≤±30μg/g2

≤±20μg/g2

6

0g 4 hours short time stability

≤20μg

≤30μg

≤20μg

7

1g 4 hours short time stability

≤10 ppm

≤30 ppm

≤20 ppm

8

Bias drift Sigma k0( 1σ, one month)

≤30μg

≤50μg

≤40μg

9

Repeatability of scale factor Sigma k1/k1(1σ, one month)

≤50ppm

≤80 ppm

≤50ppm

10

Class II nonlinearity Coefficient repeatability k2/k1(1σ,one month)

≤±20μg/g2

≤±30μg/g2

≤±20μg/g2

11

Bias thermal coefficient

≤±30μg/℃

≤±50μg/℃

≤±30μg/℃

12

Scale factor thermal coefficient

≤±50 ppm /℃

≤±80 ppm /℃

≤±50 ppm /℃

13

Noise (sample resistance 840Ω)

≤4mv

≤8.4mv

≤4mv

14

Natural Frequency

350~800 Hz

350~800 Hz

350~800 Hz

15

Bandwidth

800~2500 Hz

800~2500 Hz

800~2500 Hz

16

Random Vibration

10g(20-2000Hz)

10g(20-2000Hz)

10g(20-2000Hz)

17

Shock

150g,0.5ms,1/2sin

150g,0.5ms,1/2sin

150g,0.5ms,1/2sin

18

Temperature range(Operating)

-40-+85℃

-40-+85℃

-40-+85℃

19

Temperature range(saved)

-60-+120℃

-60-+120℃

-60-+120℃

20

Power

±12~±15V

±12~±15V

±12~±15V

21

Consume current

≤±20mA

≤±20mA

≤±20mA

22

Size

Ф18.2X23mm

Ф18.2X23mm

Ф18.2X23mm

23

Weight

≤30gram

≤30gram

≤30gram


Quartz AccelerometerConfiguration Drawing and Interface

1. Outside drawing 1

Accelerometer

2. Outside drawing 2

Quartz Accelerometer


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