Kewtech KT64 User Manual

8
RCD
Function Rated Voltage
Accuracy
Trip Current
Trip Time
AC Type A Type
X1/2
230V+10%-15%
50/60Hz
-8%~-2% -10%~0%
±(1%rdg+3dgt)
X1 +2%~+8% 0%~+10%
X5 +2%~+8% 0%~+10%
Ramp ( ) ±4% ± 10%
Auto
Depending on the accuracy at each function.
Measurement sequence:
X1/2 0°→X1/2 180°→X1 0°→X1 180°→X5 0°→X5 180°
Measurements with x5 are not carried out for RCDs with nominal
current of 100mA or more.
RCD Trip Current Duration
Function Type
RCD Trip Current Duration
10 30 100 300 500 1000
Trip
Current
Duration
(ms)
X1/2
G
AC 2000 2000 2000 2000 2000 2000
A 2000 2000 2000 2000 2000 n.a
S
AC 2000 2000 2000 2000 2000 n.a
A 2000 2000 2000 2000 2000 n.a
X1
G
AC 550 550 550 550 550 550
A 550 550 550 550 550 n.a
S
AC 1000 1000 1000 1000 1000 n.a
A 1000 1000 1000 1000 1000 n.a
X5
G
AC 410 410 410 n.a n.a n.a
A 410 410 410 n.a n.a n.a
S
AC 410 410 410 n.a n.a n.a
A 410 410 410 n.a n.a n.a
Ramp
( )
G
AC Goes up by 10% from 20% to 110%
300ms×10 times
n.a
A n.a
S
AC Goes up by 10% from 20% to 110%
500ms×10 times
n.a
A n.a
Volts
Function Rated voltage
Measuring
Range
Accuracy
Volts
25~500V
45~65Hz
25~500V ±(2%rdg+4dgt)
Frequency
25~500V
45~65Hz
45~65Hz ±(0.5%rdg+2dgt)
Specification

Kewtech KT64 Specifications

General

Brand	Kewtech
Model	KT64
Category	Measuring Instruments
Language	English