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Home Products

Quartz Flexure Accelerometer

High Range 70g Unique Flexible Quartz Accelerometer With Temperature Sensor

Name: High Range 70g Unique Flexible Quartz Accelerometer With Temperature Sensor
Brand: Shenzhen Fire Power Control Technology Co., LTD
SKU: JB2-02
Price: 895.00 USD
Availability: InStock

Brand Name:	Firepower
Model Number:	JB2-02
MOQ:	1
Price:	600~1190
Payment Terms:	T/T
Supply Ability:	500/month

Detail Information

Product Description

Detail Information

Place of Origin:

China

Range:

±70g

Resolution:

5μg

Bias K0/k1:

≤(±1 Mg)

Scale Factor Kl:

0.8~1.5 MA/g

Bias Drift Sigma K0( 1σ，one Month):

≤20 μg

Power:

±12~±15V

Packaging Details:

sponge/box

Supply Ability:

500/month

Highlight:

70g Quartz Accelerometer

Quartz Accelerometer With Temperature Sensor

High Range Quartz Flexure Accelerometer

Product Description

High Range 70g Unique Flexible Quartz Accelerometer With Temperature Sensor

Key Specifications

Range	±70g
Resolution	5μg
Bias k0/k1	≤(±1 mg)
Scale factor kl	0.8~1.5 mA/g
Bias drift Sigma k0 (1σ, one month)	≤20 μg
Power	±12~±15V

Product Overview

The JB2 accelerometer family utilizes unique quartz flexible sensors for high-range (70g) acceleration measurement in aerospace environments. As the predominant sensor in China's commercial and military aircraft strap-down inertial navigation systems, it offers exceptional long-term repeatability and reliability.

Featuring a patented Q-flex® etched-quartz-flexure seismic system with amorphous quartz proof-mass structure, the JB2 provides excellent bias, scale factor, and axis alignment repeatability. The integral electronics produce an acceleration-proportional output current for both static and dynamic measurements, convertible to voltage via customer-supplied load resistors.

The optional internal temperature sensor enables dramatic performance improvements through temperature-compensating algorithms for bias, scale factor, and axis misalignment.

Key Features

Excellent turn-on repeatability performance
Environmentally rugged design
Analog output signal
Field adjustable range
Optional internal temperature sensor for thermal compensation
High measurement range (70g)

Performance Characteristics

No.	Parameter	JB2-01	JB2-02
1	Measuring range	±70g	±70g
2	Threshold value	5μg	5μg
3	Deviation value k0/k1	≤(±3 mg)	≤(±5 mg)
4	Scale factor k1	1.3±0.2 mA/g	1.3±0.2 mA/g
5	Second-order nonlinear coefficient K2	≤±20μg/g²	≤±30μg/g²
6	0g 4 h short-term stability	≤10 μg	≤20 μg
7	1g 4 h short-term stability	≤10 ppm	≤20 ppm
8	Deviation value comprehensive repeatability σk0 (1σ,1 month)	≤10 μg	≤30 μg
9	Scale factor comprehensive repeatability σk1/k1 (1σ,1 month)	≤15ppm	≤30 ppm
10	Nonlinear coefficient comprehensive repeatability σk2/k1 (1σ,1 month)	≤±10 μg/g²	≤±20 μg/g²
11	Deviation value temperature coefficient	≤±20 μg/℃	≤±30 μg/℃
12	Scale factor temperature coefficient	≤±20 ppm/℃	≤±30ppm/℃
13	Noise (Sampling resistance is 840Ω)	≤5mv	≤8.4mv
14	Natural frequency	400~800 Hz	400~800 Hz
15	Bandwidth	800~2500 Hz	800~2500 Hz
16	Vibration	5g(20-2000Hz)	5g(20-2000Hz)
17	Shock	100g,5ms,1/2sin	100g,5ms,1/2sin
18	Operating temperature range	-40-+85℃	-40-+85℃
19	Storage temperature range	-60-+120℃	-60-+120℃
20	Power	±12~±15V	±12~±15V
21	Current consumption	≤±20mA	≤±20mA
22	Temperature Sensor	Yes and No two type	Yes and No two type
23	Size	Ф25.4X30mm	Ф25.4X30mm
24	Weight	≤80g	≤80g

Typical Applications

Drilling and Inclination Measurement
Aeronautics and Astronautics
Instruments and Equipment

Configuration Details

Note: The temperature sensor is AD590. Point 10 is the high power connection, while point 9 is the low power connection. Points 9 and power ground utilize one platinum resistance with a value of 1K and thermal coefficient less than 5ppm.

Download Configuration Drawing and Interface Specifications

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