Small Size and High Temperature Quartz Accelerometer

Small Size and High Temperature Quartz Accelerometer (Φ18.2)

ER-QA-03F (30 μg):
1. Bias repeatability: 150-220μg;
2. Scale factor repeatability: 150-220ppm;
3. Class II non-linearity repeatability: 40-50μg/g2.

Small Size and High Temperature Quartz Accelerometer (Φ18.2)

Small Size and High Temperature Quartz Accelerometer

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    Introduction

    Small Size and High Temperature Quartz Accelerometer

    Introduction
    ER-QA-03F is a small size accelerometer which is mainly used for oil well logging. The output current is linear with the force. The operator can select a reasonable sampling resistor according to the calculation to achieve the highest precision output. The product can also be used for static testing and dynamic testing, which is a standard vibration sensor.

    At present, with the increasing demand for the miniaturization of quartz accelerometers in various fields, compared with the traditional Φ25.4 quartz accelerometer, Φ18.2 or even smaller products are becoming more and more popular, under the premise of the same level of accuracy, it is smaller in size and lighter in weight, while inheriting the advantages of the original manufacturing process, suitable for mass production, with higher cost performance.

    Features
    1. Excellent start repeatability
    2. Good environmental performance
    3. Analog output
    4. Adjustable output range
    5. Small dimensions

    Specifications

    No Parameters ER-QA-03F1 ER-QA-03F2
    1 Range ±30g ±30g
    2 Threshold 30μg 30μg
    3 Bias k0/k1 ≤(±20mg) ≤(±20mg)
    4 Scale factor k1 1.8~2.4mA/g 1.8~2.4mA/g
    5 Second-order non-linearity k2/k1 ≤±20μg/g2 ≤±50μg/g2
    6 Bias composite repeatability σ K0

    (1σ, one month)

    ≤150 μg ≤220 μg
    7 Scale factor repeatability σ K1/k1

    (1σ,one month)

    ≤150ppm ≤220ppm
    8 Non-linearity coefficient composite

    repeatability K2/K1(1σ,one month)

    ≤±40μg/g2 ≤±50μg/g2
    9 Bias Temp coefficient ≤±80μg/℃ ≤±150μg/℃
    10 Scale factor Temp coefficient ≤±100 ppm/℃ ≤±200 ppm/℃
    11 Noise ≤8mv ≤8.4mv
    12 Natural frequency 350~800Hz 350~800Hz
    13 Bandwidth 800~2500Hz 800~2500Hz
    14 Vibration 25g (20-2000Hz) 25g (20-2000Hz)
    15 Shock 1000g, 0.5ms, 1/2sin 1000g, 0.5ms, 1/2sin
    16 Operating Temp range -40~+150℃ -40~+180℃
    17 Storage Temp range -60~+180℃ -60~+200℃
    18 Power ±12~±15V ±12~±15V
    19 Current consumption ≤±20mA ≤±20mA
    20 Size Φ18.2×16mm Φ18.2×16mm
    21 Weight ≤25g ≤25g

    Dimension

    Small Size And High Temperature Quartz Accelerometer Dimension


    Application Techniques

    1.Analysis of I/F Conversion Circuit of Quartz Accelerometer

    2.How to Improve the Impact Resistance of Quartz Accelerometer

    3.Study on the Stability of Quartz Accelerometer Head

    4.What is the Quartz Accelerometer Digital Closed Loop Servo Circuit?

    5.MEMS Accelerometer Installation Error Correction Method

    6.MEMS Accelerometer Packaging Technology


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