John, With a 12V battery system, you will have to address the issues of hazardous energy - ie.the heating effects of battery current under short-circuit conditions. Even a small battery pack can heat a wedding ring nearly white hot. Scott Lacey
> -----Original Message----- > From: [email protected] [SMTP:[email protected]] > Sent: Thursday, January 13, 2000 9:44 AM > To: [email protected] > Subject: LVD voltage range. > > > Hello all, > > Does a hand-held field device that operates mainly on 12Vdc from a > group of batteries and alternatively uses an AC/DC adapter need to be > assessed for safety according to the LVD? > > I read somewhere that for LVD the DC voltage should be between 75 and > 1500V. Does this mean that such a device does not need to be evaluated > for safety at all ? A client is awaiting a response from me in a > couple of hours so I would appreciate any views on this matter. > > Thanks for your usual co-operation. > > John Whitfield > Safety Engineer > Rhein Tech Labs > > > --------- > This message is coming from the emc-pstc discussion list. > To cancel your subscription, send mail to [email protected] > with the single line: "unsubscribe emc-pstc" (without the > quotes). For help, send mail to [email protected], > [email protected], [email protected], or > [email protected] (the list administrators). > --------- This message is coming from the emc-pstc discussion list. To cancel your subscription, send mail to [email protected] with the single line: "unsubscribe emc-pstc" (without the quotes). For help, send mail to [email protected], [email protected], [email protected], or [email protected] (the list administrators).
