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QFA-125 Series High Temperature
  Quartz Flexure Accelerometer

                                                             Making Sense out of Motion…

Performance Specifications                                            ±30
                                                                  1.1 to 1.4
Performance
                                                                      40
Acceleration Range, g Max. (Note 1)                                   1.5
Scale Factor, mA/g (Note 2)                                           10
Bias, milli-g, Max. (@ 25° C)                                         300
Axis Alignment, mRad, Max. (@ 25° C)
Threshold and Resolution, µg, Max.                                   ±200
Bandwidth, Hz, Min.                                                  ±170
Scale Factor Temp. Sens, PPM/°C, Max.:                               ±100
                                                             less than 250 ppm
               +55°C to +125°C                                less than 250 ug
               +100°C to +125°C
Bias Temp. Sens, µg/°C, Max.                                           3
Scale Factor Stability (1 month composite)                            55
Bias Stability (1 month composite)
Noise, mgrms, Max. (0Hz to 10kHz) (Max.)
Weight (grams)

Electrical                                                                 ±12 to ±18
                                                                                12
Input Voltage, Vdc
Input Current (quiescent), mA (Max.)                         External Load Resistor Dependent
Output Impedance, ohms

Environmental

Operational Temp Range, °C                                   -55°C to +125°C

Vibration, (Sine)                                                  25 Hz to 500 Hz, 25g
Vibration, (Random) Rectification, ug/g²rms                  50 Hz to 500 Hz, 100 ug/g²rms
Shock, g (0.5 msec, 1/2 sine)
                                                                            1000

Note 1: Specifications apply and are characterized up to ±1g range. The accelerometer is capable of supplying acceleration

information up to ±30g but at reduced accuracy.

Note 2: Voltage output via customer supplied load resistor.

Custom Capabilities

Scale factor shown in mA/g as a standard. If you require scale factor in volts/g, please specify voltage range

when ordering.

How to Order

Model #                               Part #
QFA-125-30G-SQ                        848205-001
QFA-125-30G-RD                        848206-001

Accelerometers exported from the United States must be done in accordance with the Export Administration Regulations (EAR)

and/or the International Traffic in Arms Regulations (ITAR) as applicable.                                                  Rev 12

                   Jewell Instruments LLC, 850 Perimeter Road, Manchester, NH 03103
         sales@jewellinstruments.com • www.jewellinstruments.com • Tel (800) 227-5955
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