SQAseries Technical Specification
SQAseries
digital outputs Quartz Flexible Accelerometer

This series of products is based on traditional quartz flexible accelerometers, and highly integrates the current frequency conversion circuit with the servo circuit of the quartz accelerometer to realize a digital servo closed-loop circuit.

This product features frequency output, small size, high precision, and strong anti-interference capability, and can be applied to high-precision rotary modulation systems.


  • High Precision & Stability: Delivers superior accuracy and excellent long-term drift stability.

  • Frequency Output: Direct digital frequency signal for easy integration and high noise immunity.

  • Integrated Temperature Sensing: Built-in SMC18B20 sensor with dedicated output pins.

  • Optional Model 590 Sensor: Available with Model 590 temperature sensor featuring analog output for flexible system integration.

Main Specifications

Item

Serie

单位

G

Z

Y

D

1

Measuring Range

±2/20/35/50/60/70

g

2

Frequency Standard

256/512/1024

KHZ

3

Offset

≤±4

≤±5

≤±6

≤±7

mg

4

Offset Temperature Coefficient(-55~+85℃)

≤±15

≤±30

≤±50

≤±80

ug/℃

5

Bias monthly composite error(55℃1月、1 σ)

≤15

≤30

≤50

≤80

ug

6

Offset Full Temperature Repeatability

≤15

≤30

≤50

≤80

ug

7

Scale Factor

Determined Based on Measuring Range and Frequency Standard

8

Scale factor temperature coefficient
(-55~+85℃)

≤±15

≤±30

≤±50

≤±80

ppm/℃

9

Scale factor monthly composite error(55℃1月、1 σ)

≤15

≤30

≤50

≤80

ppm

10

 Scale factor full-temperature repeatability

≤15

≤30

≤50

≤80

ppm

11

Nonlinearity in 1g gravitational field

≤±15

≤±25

≤±30

≤±50

ppm

13

Scale factor positive and negative asymmetry

≤±500

ppm

14

Second-order nonlinear coefficient

≤2×10-5

g/g²

15

Startup time

≤3

s

16

0g start-up repeatability

≤20

≤30

ug

17

1g start-up repeatability

≤20

≤30

ug

18

Threshold(°/h)

≤5

ug

19

Resolution(°/h)

≤5

ug

20

Bandwidth Hz

≥800

Hz(-3dB)



Physical Specifications

Index

Parameter

1

Dimensions

Φ25.4mm x30.8mm

2

Weight

≤80g

3

Operating Temperature

-55℃-+85℃

4

Operating Voltage

±12-18VDC

5

Insulation Resistance

50MΩ,  @50VDC

6

Power Consumption

700nw±15VDC

7

Current Consumption

 <25 mA@±15VDC

8

Random vibration (no power)

6 .06gram,(20-2000)Hz

9

 Hz Impact (no power)

100g ,8-12ms,halfsine

 


Back to List
Contact Us
Business Inquiry:sales@tsnavigation.com
Technical Cooperation:support@tsnavigation.com
Marketing Cooperation:tongjunjun@tsnavigation.com
Quick connection
Online message
Copyright© ZIDOTECH ELECTRONICS CO., LTD qing ICP No. 888****5-1
Information Submission
captcha