Adash 4300 - VA3 User manual

Vibration Analyser
Adash 4300 - VA3
Test Procedure
FW 02.00 BETA
Ref: 19052004 RS
Adash Ltd., Czech Republic, Tel.: [phone], Fax: [phone], e-mail: [e-mail]
For further technical and contact information consult www.adash.net, www.adash.cz
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!User Manual

Adash Ltd. Adash 4300 -VA3 Test Procedure
Adash Ltd., Czech Republic, Tel.: [phone], Fax: [phone], e-mail: [e-mail]
For further technical and contact information consult www.adash.net, www.adash.cz
2
Contents
Setup of instrument ............................................................................................................ 3
Input signals........................................................................................................................ 5
Measurements..................................................................................................................... 6

Adash Ltd. Adash 4300 -VA3 Test Procedure
Adash Ltd., Czech Republic, Tel.: [phone], Fax: [phone], e-mail: [e-mail]
For further technical and contact information consult www.adash.net, www.adash.cz
3
Setup of instrument
1. Switch on the instrument.
2. Select Analyser item from Main menu.
3. Select Inputs & Sensors item
4. Set default sensor as in the picture below
Pic.1: Sensors settings
5. Run a measurement to check that the sensor is being powered
Pic.: Run measurement
Pic.: ICP power on

Adash Ltd. Adash 4300 -VA3 Test Procedure
Adash Ltd., Czech Republic, Tel.: [phone], Fax: [phone], e-mail: [e-mail]
For further technical and contact information consult www.adash.net, www.adash.cz
4
If ICP power ERROR occurs, then check cable and connector.
Pic.: ICP power of sensor ERROR
When you want to check ICP powering more, then
1. use standard voltmeter
2. connect to voltmeter both pins from MIL connector
3. there must be approx 23.5V DC and 4mA short current when power the bar sweeps across the
VA2 screen.

Adash Ltd. Adash 4300 -VA3 Test Procedure
Adash Ltd., Czech Republic, Tel.: [phone], Fax: [phone], e-mail: [e-mail]
For further technical and contact information consult www.adash.net, www.adash.cz
5
Input signals
For next measurements you need
1. ICP sensor with cable mounted on vibration shaker
2. sine signal excitation with a frequency in the range: 30Hz to 100Hz
3. Output amplitude from sensor :0.25g to 12g

Adash Ltd. Adash 4300 -VA3 Test Procedure
Adash Ltd., Czech Republic, Tel.: [phone], Fax: [phone], e-mail: [e-mail]
For further technical and contact information consult www.adash.net, www.adash.cz
6
Measurements
1. Connect sensor to instrument
2. Set on sensor 30Hz/1g
3. Select Wide-band values item form Analyser menu
Pic2: Wide-band measurements
4. Select measurement by picture and run it.
Pic.3: Wide-band measurement of 1.0g RMS input
You must view stable value 1.0g without any warnings (underrange, autorange, overload)
Pic.4: Errors

Adash Ltd. Adash 4300 -VA3 Test Procedure
Adash Ltd., Czech Republic, Tel.: [phone], Fax: [phone], e-mail: [e-mail]
For further technical and contact information consult www.adash.net, www.adash.cz
7
5. Select measurement of ips and run it.
Pic.5: Measurement of in/s
For 30Hz and 1g RMS on input you must view stable 2.0ips RMS without any warnings.
Be careful - all values are RMS not PEAK or PEAK-PEAK !!!
6. Tests input signal with amplitude 0.25g, 4.0g and 12g RMS :
Pic.6: Measurement of 0.25g RMS input
Pic.7: Measurement of 4.0g RMS input

Adash Ltd. Adash 4300 -VA3 Test Procedure
Adash Ltd., Czech Republic, Tel.: [phone], Fax: [phone], e-mail: [e-mail]
For further technical and contact information consult www.adash.net, www.adash.cz
8
Pic.8: Measurement of 12.0g RMS input
All measurements must be stable with stable signal – no underrange or overload messages.
7. Change input signal to 100Hz / 1.00g
8. On instrument set Wide-band measurement in g 20-1000Hz by picture
Pic.9: User freq. band 20Hz-1000Hz
9. Start measurement
Pic. 10: Measurement on 100Hz/1.00g
You must view stable value 1g.

Adash Ltd. Adash 4300 -VA3 Test Procedure
Adash Ltd., Czech Republic, Tel.: [phone], Fax: [phone], e-mail: [e-mail]
For further technical and contact information consult www.adash.net, www.adash.cz
9
10. Set User freq. band to 20-100Hz and run measurement.
Pic. 11 Measurement on -3dB Low-pass filter
You must view stable value approx. 0.707g - this is -3dB filter cut-off frequency of low-pass filter.

Adash Ltd. Adash 4300 -VA3 Test Procedure
Adash Ltd., Czech Republic, Tel.: [phone], Fax: [phone], e-mail: [e-mail]
For further technical and contact information consult www.adash.net, www.adash.cz
10
11. Set freq. band 100-1000Hz and run measurement.
Pic.12: Measurement on -3dB High-pass filter
You must view stable value approx. 0.707g - this is -3dB filter cut-off frequency of high-pass filter.
12. You can test second input channel of instrument in the same way, but you must connect input
cable to left connector and for display value you must select channel 2.
Pic. 13: Measurement of second channel
Selecting of second channel