Elma BM811 Elma BM817 Elma BM515 - Elma Instruments

Elma 811 + 817 + 515 side 57This manual is applicable to all meter protection versions or otherwise specified1) SAFETYTerms in this manualWARNINGCAUTIONidentifies conditions and actions that could result in serious injury or even death tothe user.identifies conditions and actions that could cause damage or malfunction in theinstrument.This manual contains information and warnings that must be observed in order to operate theinstrument safely and maintain the instrument in a safe operating condition. If the instrument isused other than as specified by the manufacturer, the protection provided by the instrument may beimpaired. The meter is intended only for indoor use.The meter (all versions) is protected, from the user's point of view, by double insulation toEN61010-1 and IEC61010-1 2nd Edition (2001) to CAT III 1000V & CAT IV 600V. The meter (allversions) also meets UL3111-1(1994)* and CSA C22.2 No. 1010-1-92* to CAT III 1000V.Standard version BM810 & BM510 series terminal (to COM) ratings:V : Category III 1000 Volts AC & DC, and Category IV* 600 Volts AC & DC.A / mAμA : Category III and Category IV* 500 Volts AC and 300 Volts DC.X-version BM810X & BM510X series (extra protection) Terminals (to COM) ratings:V / A : Category III 1000 Volts AC & DC, and Category IV* 600 Volts AC & DC.mAμA : Category III and Category IV* 600 Volts AC and 300 Volts DC.CF-version BM810CF & BM510CF series (highest protection) Terminals (to COM) ratings:V / A / mAμA : Category III 1000 Volts AC & DC, and Category IV* 600 Volts AC & DC.*Category IV safety standard (for DMMs) was first released in IEC61010-1 2nd Edition in year2001, and was still a UL published standard at the time this manual was written.To IEC61010-1 2nd Ed. (2001) Measurement CategoryMeasurement Category IV (CAT IV) is for measurements performed at the source of the lowvoltageinstallation. Examples are electricity meters and measurements of primary overcurrentprotection devices and ripple control units.Measurement Category III (CAT III) is for measurements performed in the building installation.Examples are measurements on distribution boards, circuit- breakers, wiring, including cables, busbars,junction boxes, switches, socket-outlets in the fixed installation, and equipment for industrialuse and some other equipment, for example, stationary motors with permanent connection to thefixed installation.