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High Range 70g Unique Flexible Quartz Accelerometer With Temperature Sensor

Categories Quartz Flexure Accelerometer
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
Brand Name: Firepower
Model Number: JB2-02
Place of Origin: China
MOQ: 1
Price: 600~1190
Payment Terms: T/T
Supply Ability: 500/month
Delivery Time: 1 week for sample order
Packaging Details: sponge/box
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High Range 70g Unique Flexible Quartz Accelerometer With Temperature Sensor

High Range 70g Unique Flexible Quartz Accelerometer With Temperature Sensor
Key Specifications
AttributeValue
Range±70g
Resolution5μg
Bias k0/k1≤(±1 mg)
Scale factor kl0.8~1.5 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.ParameterJB2-01JB2-02
1Measuring range±70g±70g
2Threshold value5μg5μg
3Deviation value k0/k1≤(±3 mg)≤(±5 mg)
4Scale factor k11.3±0.2 mA/g1.3±0.2 mA/g
5Second-order nonlinear coefficient K2≤±20μg/g²≤±30μg/g²
60g 4 h short-term stability≤10 μg≤20 μg
71g 4 h short-term stability≤10 ppm≤20 ppm
8Deviation value comprehensive repeatability σk0 (1σ,1 month)≤10 μg≤30 μg
9Scale factor comprehensive repeatability σk1/k1 (1σ,1 month)≤15ppm≤30 ppm
10Nonlinear coefficient comprehensive repeatability σk2/k1 (1σ,1 month)≤±10 μg/g²≤±20 μg/g²
11Deviation value temperature coefficient≤±20 μg/℃≤±30 μg/℃
12Scale factor temperature coefficient≤±20 ppm/℃≤±30ppm/℃
13Noise (Sampling resistance is 840Ω)≤5mv≤8.4mv
14Natural frequency400~800 Hz400~800 Hz
15Bandwidth800~2500 Hz800~2500 Hz
16Vibration5g(20-2000Hz)5g(20-2000Hz)
17Shock100g,5ms,1/2sin100g,5ms,1/2sin
18Operating temperature range-40-+85℃-40-+85℃
19Storage temperature range-60-+120℃-60-+120℃
20Power±12~±15V±12~±15V
21Current consumption≤±20mA≤±20mA
22Temperature SensorYes and No two typeYes and No two type
23SizeФ25.4X30mmФ25.4X30mm
24Weight≤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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