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Fluke 196C/199C
Users Manual
102
Safety
Designed for measurements on 1000 V Category II
Installations, 600 V Category III Installations, Pollution
Degree 2, per:
• ANSI/ISA S82.01-1994
• EN61010-1 (1993) (IEC1010-1)
• CAN/CSA-C22.2 No.1010.1-92
• UL3111-1
Max. Input Voltages
Input A and B directly...............................300 V CAT III
Input A and B via 10:1 probe...................1000 V CAT II
600 V CAT III
METER/EXT TRIG inputs........................1000 V CAT II
600 V CAT III
Max. Floating Voltage
From any terminal to ground...................1000 V CAT II
600 V CAT III
Between any terminal..............................1000 V CAT II
600 V CAT III
Voltage ratings are given as “working voltage”. They
should be read as Vac-rms (50-60 Hz) for AC sinewave
applications and as Vdc for DC applications.
Figure 51. Max. Input Voltage v.s. Frequency
Note
Overvoltage Category III refers to distribution
level and fixed installation circuits inside a
building. Overvoltage Category II refers to local
level, which is applicable for appliances and
portable equipment.