TESTBOY TV 450
Technical specification
65
9.4.2 RCD selected
Fault loop impedance
Measuring range according to EN61557 is 0.46
Ω
÷
9.99 k
Ω
.
Measuring range (
Ω
) Resolution
(
Ω
)
Accuracy
0.00
÷
9.99
0.01
10.0
÷
99.9
0.1
±
(5 % of r 10 digits)
100
÷
999
1
1.00k
÷
9.99k
10
±
10 % of reading
Acccuracy may be impaired in case of heavy noise on mains voltage
Prospective fault current (calculated value)
Measuring range (A)
Resolution (A)
Accuracy
0.00
÷
9.99
0.01
10.0
÷
99.9
0.1
100
÷
999
1
1.00k
÷
9.99k
10
10.0k
÷
23.0k
100
Consider accuracy of fault
loop resistance
measurement
Nominal voltage range...................... 30 V
÷
500 V (45 Hz
÷
65 Hz)
No trip out of RCD.
R, XL values are indicative.
9.5 Line impedance and prospective short-circuit current
Line impedance
Measuring range according to EN61557 is 0.25
Ω
÷
9.99k
Ω
.
Measuring range (
Ω
) Resolution
(
Ω
)
Accuracy
0.00
÷
9.99
0.01
10.0
÷
99.9
0.1
±
(5 % of r 5 digits)
100
÷
999
1
1.00k
÷
9.99k
10
±
10 % of reading
Prospective short-circuit current (calculated value)
Measuring range (A)
Resolution (A)
Accuracy
0.00
÷
0.99
0.01
1.0
÷
99.9
0.1
100
÷
999
1
1.00k
÷
99.99k
10
100k
÷
199k
1000
Consider accuracy of line
resistance measurement
Test current (at 230 V)...................... 6.5 A (10 ms)
Nominal voltage range...................... 30 V
÷
500 V (45 Hz
÷
65 Hz)
R, XL values are indicative.
