TESTBOY TV 450
Technical specification
62
9.2 Continuity
9.2.1 Resistance R LOW
Ω
Measuring range according to EN61557 is 0.16
Ω
÷
1999
Ω
.
Measuring range R (
Ω
) Resolution
(
Ω
)
Accuracy
0.00
÷
19.99
0.01
±
(3 % of r 3 digits)
20.0
÷
199.9
0.1
200
÷
1999
1
±
(5 % of reading)
Open-circuit voltage...........................6.5 VDC
÷
9 VDC
Measuring current..............................min. 200 mA into load resistance of 2
Ω
Test lead compensation.....................up to 5
Ω
The number of possible tests ............> 2000, with a fully charged battery
Automatic polarity reversal of the test voltage.
9.2.2 Resistance CONTINUITY (model TESTBOY TV 450 (TYPE B))
Measuring range (
Ω
) Resolution
(
Ω
)
Accuracy
0.0
÷
19.9
0.1
20
÷
1999
1
±
(5 % of r 3 digits)
Open-circuit voltage...........................6.5 VDC
÷
9 VDC
Short-circuit current ...........................max. 8.5 mA
Test lead compensation.....................up to 5
Ω
9.3 RCD testing
Note:
All data (marked with “*”) regarding B type RCDs are valid for model TESTBOY TV 450
(TYPE B) only.
9.3.1 General data
Nominal residual current (A,AC) ........10 mA, 30 mA, 100 mA, 300 mA, 500 mA,
1000 mA
Nominal residual current accuracy.....-0 / +0.1
⋅
I
Δ
; I
Δ
= I
Δ
N, 2
×
I
Δ
N, 5
×
I
Δ
N
-0.1
⋅
I
Δ
/ +0; I
Δ
= 0.5
×
I
Δ
N
AS / NZ selected: ± 5 %
Test current shape.............................Sine-wave (AC), pulsed (A), smooth DC (B)*
DC offset for pulsed test current ........6 mA (typical)
RCD type ...........................................G (non-delayed), S (time-delayed)
Test current starting polarity ............. 0 º or 180 º
Voltage range ....................................50 V
÷
264 V (45 Hz
÷
65 Hz)
