Chapter 3
Health and safety
Page 3-2
MAN 0494
3
Electrical warnings and Safety
regulations
Warning!
The Zetasizer APS contains high voltage components. Only Malvern
trained personnel are permitted to remove its main cover.
The instrument is mains powered and all power cables and electrical sockets should
be treated accordingly. Do not place cables where they may become wet.
Should the instrument become wet (e.g. sample or dispersant is spilt), switch it off
and disconnect it from the mains power supply immediately. Scrupulously clean
and dry the instrument before re-applying power.
Warning!
This product
must
be connected to a protective earth.
The metal parts of the optical unit and the accessories are earthed via a
protective earth connection.
PAT testing
If PAT testing is required, connect the earth lead to the earth stud underneath the
rear right-hand corner of the instrument. We recommend that the product is PAT
tested annually, or if it is suspected that its electrical safety has been compromised.
Power cords and Power safety
The notes in this section indicate best practice. Follow these when connecting the
instrument to the power supply.
Warning!
Do not operate this product with a damaged power cord set. Replace a
damaged power cord set immediately.
MAN0494-1 (Zetasizer APS Basic Guide).book Page 2 Friday, August 9, 2013 2:08 PM