Hioki FT3151 - Page 111

47
Basic Specications
Maximum rated
voltage to
earth
300 V AC (measurement category II)
Anticipated transient overvoltage: 2500 V
Overvoltage
protection
250 V AC for 1 min.
(between terminals E and S(P) and terminals E and H(C))
Operable
number of
times
1100 times
Measurement condition: 30-second measurement /
30-second pause cycle, 3-pole method, 575Hz, earth
resistance of the auxiliary earthing rod is 100
Ω
,
measurement of 10
Ω
using ×1
Ω
range
Function Auxiliary earth resistance check function, overvoltage
protection and alarm function (Buzzer sounds if a voltage
of 85 V AC or more is input)
1
2
3
4
5
6
7
Appx. Ind.