QFM-180 Miniature Quartz Flexure Accelerometer

The Miniature Accelerometers are state of the art quartz flexure technology that provides high accuracy, repeatability and stability even in the harshest of environments

About the QFM-180 Miniature Quartz Flexure Accelerometer

QFM-180 Series Miniature Accelerometers are state of the art quartz flexure technology that provides high
accuracy, repeatability and stability even in the harshest of environments.

Key features QFM-180

High Temperature Range
Excellent Repeatability
High Accuracy
Environmentally Rugged
High Stability
Square Mounting Flanges
Miniature Design
Industrial Grade Applications

Applications QFM-180

Well borehole logging (Wireline)
Measure While Drilling (MWD)
Oil Drilling
Orientation Systems for Drilling Applications
Borehole Mapping

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Technical Specifications

Specification	Value
Acceleration range (g maximum)1, 2	±20
Axis alignment (mrad, maximum @25 °c)	4
Bandwidth (hz, minimum)	300
Bias (mg, maximum @25 °c)	20
Bias stability (1 month composite)	<220µg
Bias temperature sensitivity (µg/°c, maximum)	±150
Input current (quiescent), ma, maximum	20
Input voltage (vdc)	±12 to ±18
Noise (mgrms, maximum) (0hz to 10khz, maximum)	4
Operational temperature range	-40 to +180°C
Output impedance (Ω)	External Load Resistor Dependent
Scale factor (ma/g)2	1.8 to 2.8
Scale factor temperature sensitivity (ppm/°c, maximum)	±200
Shock (g)	1000, 0.5msec, ½ sine
Vibration (random) (rectification, maximum)	50 Hz to 500 Hz, 100 ug/g2rms
Vibration (sine, maximum)	25 Hz to 500 Hz, 30 g