Cart 0 Product Products (empty)
No products
To be determined Shipping
$0.00 Total
Product successfully added to your shopping cart
Quantity
Total
There are 0 items in your cart. There is 1 item in your cart.
Total products
Total shipping To be determined
Total
New Sale! 
View larger
View larger BS 7135-2:1989
New product
BS 7135-2:1989 Noise emitted by computer and business equipment. Method of measurement of high-frequency noise
standard by BSI Group, 09/29/1989
More info
Full Description
Four methods for determining the sound power levels of high-frequency noise in the octave band centred at 16 Hz, three based in the reverberation room technique and on in free-field conditions over a reflecting plane.Cross References:
BS 7135:Part 1
ISO 6926