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JM Series
Vibration monitoring and fault analysis system Rotating machinery monitoring and protection device series Intelligent vibration monitor series Intelligent displacement monitor series Intelligent speed monitor series Fan vibration monitor series Transmitter series Sensor series Portable vibration measuring instrument series STC digital turbine controller
VMS series
VMS8000B condition monitoring system VMS8000 condition monitoring system VMS2000 dual channel vibration monitor VMS3110 anti rotation speed monitoring protector VMS5000 fan vibration monitoring series VMS1000 transmitter series VMS sensor series VMS8000C condition monitoring system VMS4000 four channel vibration detector Vms5500 condition monitoring system
Rail fastener
Structural mechanics
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Product Details
System specification
• Can calibrate various types of vibration sensors. Such as piezoelectric acceleration sensors, magnetoelectric speed sensors and eddy current sensors.
• It can calibrate various vibration test instruments, vibration monitoring systems and data acquisition systems composed of the above sensors. • The static calibration table used is specially improved, which is different from other static calibration tables . When the rotary micrometer changes displacement, the test table connected to it does not rotate, but only moves linearly. Keep the test table and the eddy current sensor vertical at all times. Therefore, the calibration degree is greatly improved.
• The vertical and horizontal feet of the calibration table chassis are adjustable. When the calibration platform cannot be placed stably due to uneven desktop or other reasons, the calibration platform can be kept stable by adjusting
the height of the fixed feet. • It can be powered by AC voltage or DC voltage, which is convenient for on-site use. (Special instructions are required for DC power supply).
Technical parameters
1. Output vibration signal error Internal signal source 10, 20, 40, 80, 160, 320, 640, 1280Hz ≤ ± 0.3dB ± 1 word Frequency accuracy 10, 20, 40, 80, 160, 320, 640, 1280Hz ≤±0.01%
2. Large vibration amplitude and large load
Because the vibration table used by the JM-3B vibration calibration device is small in size, when different sensors (different weights) are calibrated at different frequencies, the output amplitude of the calibration table is also different. same. Large vibration amplitude and large load refer to the maximum acceleration, maximum velocity or maximum displacement value that the calibration platform can output when the calibrated sensor is a certain weight at a certain frequency .
Refer to the following table for specific indicators:
weight | ≤100g | ≤250g | ≤650g | ||||||
a(m/s) | v(mm/s) | d( μm ) | a(m/s ) | v(mm/s) | d( μm ) | a(m/s ) | 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 | twenty four |
320Hz | 50 | 18 | 25 | 30 | 10 | 15 | 10 | 3.5 | 5 |
640Hz | 30 | 5 | 3 | 20 | 3.5 | 2 | 6 | 1 | * |
1280Hz | twenty three | 2 | * | 10 | 0.9 | * | 5 | 0.4 | * |
*When the frequency is high, the vibration bit value is very small, so at these points, the calibration table has no vibration signal output.
Order Guide
Order Code: JM-3B Vibration Calibration Device
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