KYORITSU 6305 Instruction Manual User Manual
Page 5
KEW6305
4
O Measurement Category
To ensure safe operation of measuring instruments, IEC 61010 establishes safety standards for
various electrical environments, categorized as O to CAT.IV, and called measurement categories.
Higher-numbered categories correspond to electrical environments with greater momentary
energy,
so a measuring instrument designed for CAT.III environments can endure greater momentary
energy
than one designed for CAT.II.
O
: Circuits which are not directly connected to the mains power supply.
CAT.II : Electrical circuits of equipment connected to an AC electrical outlet by a power cord.
CAT.III : Primary electrical circuits of the equipment connected directly to the distribution panel,
and feeders from the distribution panel to outlets.
CAT.IV : The circuit from the service drop to the service entrance, and to the power meter and
primary overcurrent protection device (distribution panel).
- 1009 (13 pages)
- 1011 (12 pages)
- 1012 (12 pages)
- 1018 (1 page)
- 1030 (1 page)
- 1061 (58 pages)
- 1051 (40 pages)
- 1109S (36 pages)
- 1110 (1 page)
- 2000 (1 page)
- 2002PA (27 pages)
- 2007A (1 page)
- 2009R (33 pages)
- 2012R (2 pages)
- 2017 (1 page)
- 2031 (1 page)
- 2033 (9 pages)
- 2040 (2 pages)
- 2046R (2 pages)
- 2200 (3 pages)
- 2210R (1 page)
- 2300R (1 page)
- 2413F (24 pages)
- 2413R (24 pages)
- 2431 (2 pages)
- 2432 (1 page)
- 2433R (1 page)
- 2434 (10 pages)
- 2500 (1 page)
- 2608A (2 pages)
- 3005A (24 pages)
- 3021 (24 pages)
- 3121A (12 pages)
- 3126 (28 pages)
- 3127 (60 pages)
- 3128 (88 pages)
- 3131A (20 pages)
- 3132A (20 pages)
- 3161A (24 pages)
- 3321A (24 pages)
- 4105A (10 pages)
- 4106 (48 pages)
- 4116A (20 pages)
- 4140 (32 pages)
- 4200 (24 pages)