| Weight | 1.94 oz |
|---|---|
| Dimensions | 1.16 × 1.16 × .725 in |
| Features | • High Temperature |
| Applications | • Well borehole logging (Wireline) |
QFA-180 Quartz Flexure Accelerometer Series
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The Jewell Instruments QFA-180-30G-LC Series Accelerometers are state of the art quartz flexure technology that provides high accuracy, repeatability and stability even in the harshest of environments.
Additional information
Performance Specifications
Performance Specifications
Performance
| Acceleration Range (g maximum)1, 2 | ±30 |
| Scale Factor (mA/g)2 | 1.1 to 1.4 |
| Bias (mg, maximum @25 °C) | 10 |
| Axis Alignment (mRad, maximum @25 °C) | 1.5 |
| Threshold & Resolution (µg, maximum) | 10 |
| Bandwidth (Hz, minimum) | 300 |
| Scale Factor Temperature Sensitivity (PPM/°C, maximum) | |
| +25°C to +100°C | ±100 |
| +100°C to +180°C | ±170 |
| Bias Temperature Sensitivity (µg/°C, maximum) | ±50 |
| Scale Factor Stability (1 month composite) | <250 PPM |
| Bias Stability (1 month composite) | <250µg |
| Noise (mgrms, maximum) (0Hz to 10kHz, maximum) | 3 |
Electrical
| Input Voltage (Vdc) | ±12 to ±18 |
| Input Current (quiescent), mA, maximum | 12 |
| Output Impedance (Ω) | External Load Resistor Dependent |
Environmental
| Operational Temperature Range | -55 to +180°C |
| Vibration (sine, maximum) | 25 Hz to 500 Hz,25g |
| Vibration (random) (Rectification, maximum) | 50 Hz to 500 Hz, 100 ug/g2rms |
| Shock (g) | 1000, 0.5msec, ½ sine |
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.
Notes:
1: Specifications apply and are characterized up to ±1g range. The accelerometer is capable of supplying acceleration information up to ±30g but at a reduced accuracy
2: Scale factor shown in mA/g as a standard. If you require scale factor in volts/g, please specify voltage range when ordering.
3: Voltage output via customer supplied load resistor
*Specifications subject to change without notice on account of continued product development.
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