Noise Level Analysis

Fields followed by an asterisk (*) are required.

Reference #: SC
Project:
Date:
Order #:
Delivery date:


Client
Name:
Address:
Contact:
E-mail:
Telephone:
Fax : 


User
Name:
Address:
Contact:
Telephone:
Fax : 


Caracteristics
Catalogue #:
Model #:
Serial #:
KVA of the transformer:  KVA
Primary: V
Secondary: V


Sound level measurement at 12 inches from the unit, half height of the unit, from 4 faces of unit if possible. (according to the illustration of assistance document).

Front:
Left side:
Back:
Right side:


Sound level measurement at 18 inches from the unit, half height of the unit, from 4 faces of unit if possible.(according to the illustration of assistance document).

Front:
Left side:
Back:
Right side:


Any sound reflecting surface next to transformer?


Describe type of sound reflecting surfaces:


Describe type of transformer mounting floor/pad/base:


Is the unit sitting on anti-vibration pads?


Is the unit sitting on a level floor/pad/base?


What type of noise : "Hum" or "Rattle"?


Feeling of any vibration on the enclosure or metallic parts?


Is the vibration transferred to conduit or adjacent equipment?


When applying pressure on any surface of enclosure does this change noise level?


When applying pressure on any surface of conduit or adjacent equipment does this change noise level?


Once front panel is removed, is the input voltage in accordance with selected voltage tap?


Same voltage tap on each winding?


What type of load is the unit feeding?


Any excessive tention between cables and terminations?


Shipping brackets located at the top of core & coil removed. Any change in noise?


Anti-vibration pads located between transformer & enclosure must not be compressed, loosen up the four anchoring bolts until no visible excessive compression on the pads. Any change in noise?


All screws, bolts, connectors and terminations of the assembly verified for tightness. Any change in noise?


Comments / Observations :