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| Brand | Princeton Applied Research |
|---|---|
| Origin | USA |
| Model | QCM922A |
| Frequency Range | 5–30 MHz |
| Frequency Resolution | 0.01 Hz |
| Resistance Range | 1 Ω – 10 kΩ |
| Resistance Resolution | 0.01 Ω |
| Conductance Frequency Characterization Range | 4–30 MHz |
| Δf Analog Output | ±10 V (14-bit), selectable ranges from ±100 Hz to ±500 kHz |
| ΔR Analog Output | ±10 V (14-bit), selectable ranges from ±10 Ω to ±10 kΩ |
| Analog Inputs | 2 channels, ±3/6/12 V (14-bit) |
| Minimum Control Interval | 10 ms |
| Display | 20-character 4-line OLED |
| Interface | USB 2.0 |
| Power Supply | AC 100–240 V, 50/60 Hz |
| Dimensions (L×W×H) | 162 × 160 × 95 mm |
| Weight | 1.3 kg |
| Operating Temperature | 5–40 °C, non-condensing |
| Certification | CE |
| Compatible Crystals | 9 MHz AT-cut quartz sensors (QA-A9M and QA-A30M series) with electrode materials including Au, Pt, Ag, Al, C, Cu, ITO, Mo, Ni, Si, SiO₂, SUS304, Ti |
| standard electrode diameter | 5 mm |
| Brand | Princeton Instruments |
|---|---|
| Origin | USA |
| Model | QCM 922 |
| Frequency Range | 1–10 MHz |
| Frequency Resolution | 0.1 Hz |
| Resonance Resistance Range | 10–16 kΩ (0.1 Ω resolution) |
| Electrode Area | 0.2 cm² |
| Electrode Material | Sputtered Au or Pt (300 nm thickness) |
| Crystal Fundamental Frequency | 9 MHz |
| Operating Temperature | 0–40 °C |
| Power Supply | 100–120 VAC / 230–240 VAC, 50–60 Hz, 15 W |
| Interface | IEEE-488 (GPIB), RS-232 |
| Analog Output | ±10 V (12-bit), selectable impedance scaling (1/2/4/8/16 kΩ) |
| Display | 40-character × 2-line LCD |
| Dimensions | 26 × 88 × 230 mm |
| Weight | 3.3 kg |
| Software Compatibility | Windows 95/98, ≥100 MHz CPU, 32 MB RAM, 10 MB HDD, GPIB interface card required |
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