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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    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

    NoParametersER-QA-03F1ER-QA-03F2
    1Range±30g±30g
    2Threshold30μg30μg
    3Bias k0/k1≤(±20mg)≤(±20mg)
    4Scale factor k11.8~2.4mA/g1.8~2.4mA/g
    5Second-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
    9Bias Temp coefficient≤±80μg/℃≤±150μg/℃
    10Scale factor Temp coefficient≤±100 ppm/℃≤±200 ppm/℃
    11Noise≤8mv≤8.4mv
    12Natural frequency350~800Hz350~800Hz
    13Bandwidth800~2500Hz800~2500Hz
    14Vibration25g (20-2000Hz)25g (20-2000Hz)
    15Shock1000g, 0.5ms, 1/2sin1000g, 0.5ms, 1/2sin
    16Operating Temp range-40~+150℃-40~+180℃
    17Storage Temp range-60~+180℃-60~+200℃
    18Power±12~±15V±12~±15V
    19Current consumption≤±20mA≤±20mA
    20SizeΦ18.2×16mmΦ18.2×16mm
    21Weight≤25g≤25g

    Dimension

    Small Size And High Temperature Quartz Accelerometer Dimension

    Application Techniques

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