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Musktool-Vibration Calibrator-GJX-3
Overview
This 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 this Vibration 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 by this Vibration Calibrator. GJX-3 Vibration Calibrator combines sine signal generator, power amplifier, standard transducer and a shaker in one and features a small volume, high accuracy and easy operation. It can be used either in laboratory or on site. |
Vibration Calibrator Specifications
| Frequency: 10, 20, 40, 80, 160, 320, 640, 1280Hz +0.01% |
Amplitude accuracy:
Acceleration(@30m/s2 pk) | 40Hz to 320Hz + 0.3dB + 1digit 20Hz to 640Hz + 0.5dB +1digit |
| Velocity (@25mm/sec pk) | 40Hz to 320Hz +0.5dB +1digit |
| Displacement(@50μm pk-pk) | 40Hz to 320Hz + 0.5dB + 1digit |
Vibration Calibrator Proximity probe linearity
Prode: | 5mm and 8mm probes |
| Range: | 0~4.0mm |
| Vibration Calibrator Display: | 3 1/2 digit display for acceleration, velocity or displacement |
Maximum vibration amplitude and maximum load
Wt
Freq | <100g | <250g | <650g | ||||||
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 | 8.5 | 24 |
320Hz | 50 | 18 | 25 | 30 | 10 | 15 | 10 | 3.5 | 5 |
640Hz | 30 | 5 | 3 | 20 | 3.5 | 2 | 6 | 1 | * |
1280Hz | 23 | 2 | * | 10 | 0.9 | * | 5 | 0.4 | * |
Size: | 280 x 180 x 250(mm) |
| Weight: | 10kg |
| Temperature: Operation: | Operation: 0oC to 50 oC |
| Storage: | -20 oC to 70 oC |
| Humidity: | 90% non -condensing |
The control panel of GJX-3 Vibration Calibrator is shown as following:
1 Vibration amplitude output display Showing the amplitude of the different vibration signal output of the calibrator 2 Calibration potentiometer 3 Function selecting switch Shifting the output of the calibrator to acceleration, velocity or displacement 4 Potentiometer for adjusting the output amplitude Adjusting the potentiometer to change the output vibration amplitude 5 Adjusting the the output vibration amplitude slowly 6 The table for fixing the transducer to be calibrated 7 The thread hole for fixing the stand of proximity probe During the calibration of proximity probe, the stand of the transducer is fixed on the control panel through this thread hole. 8 Power switch 220 VAC 9 Socket for 220 V AC power input Used for connecting 220 V AC power. 10. Socket for power output For monitoring the wave shape of the output signal of the power amplifier of the calibrator. 11 Output socket of – 24 V voltage Providing power at – 24 V for proximitor during the calibration of proximity probe. 12 Frequency selecting switch For selecting the frequency of the output signal |
