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Vibration Calibrators
Portable vibration calibrator can be used to calibrate vibration accelerometer, velocity and proximity transducer and also a vibration measuring instruments. Standard sine signals at frequency 10,20, 40, 80, 160, 320, 640 and 1280 Hz can be generated from the calibrator. The amplitude of the, acceleration, velocity and displacement, can be defined through potentiometers and shown on digital displays. Either horizontal or vertical vibration can be generated.
GJX-3 combines sine signal generator, power in one and features a small volume, high accuracy and easy operation. It can be used either in laboratory or on site.
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| Frequency: 10, 20, 40, 80, 160, 320, 640, 1280 Hz +/-0.01% | | Amplitude accuracy: | | Acceleration (@30 m/s2 pk, 80Hz) | 40Hz to 320Hz +/-0.3dB +/- 1 digit | | 10Hz to 1280Hz +/- 0.5dB +/- 1 digit | | Velocity (@25mm/sec pk, 80 Hz) | 40Hz to 320Hz +/- 0.5dB +/- 1 digit | | Displacement (@ 10µm pk-pk, 80Hz) | 40Hz to 320Hz +/- 0.5dB +/- 1 digit | | | Proximity probe linearity | | | Prode: 5mm and 8mm probes | Range: 0-4.0 mm | | Display: 3 1/2 digit display for acceleration, velocity or displacement | | Size: 280 x 180 x 250 (mm) | | Weight: 20lb | | Temperature: Operation: 0 °C to 50 °C | | Storage - 20°C to 70 °C | | Humidity: 90% non – condensing |
| Wt | 100g | 250g | 650g | | Freq | a(m/S2) | v(mm/S) | d(µm) | a(m/S2) | v(mm/S) | d(µm) | a(m/S2) | v(mm/S) | d(µm) | | 10Hz | 2.5 | 28 | 1300 | 3.5 | 40 | 1800 | 4 | 45 | 2000 | | 20Hz | 15 | 85 | 1900 | 10 | 60 | 1300 | 5 | 28 | 640 | | 40Hz | 60 | 170 | 2000 | 35 | 100 | 1100 | 12 | 35 | 380 | | 80Hz | 100 | 141 | 800 | 40 | 60 | 320 | 14 | 20 | 110 | | 160Hz | 75 | 53 | 150 | 35 | 25 | 70 | 12 | 35 | 24 | | 320Hz | 50 | 18 | 25 | 30 | 10 | 15 | 10 | 35 | 5 | | 640Hz | 30 | 5 | 3 | 20 | 35 | 2 | 6 | 1 | * | | 1230Hz | 23 | 2 | * | 10 | 0.9 | * | 5 | 0.4 | * |
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