NOVA and NOVA PRO
Technical specifications
53
7
Technical specifications
7.1
Insulation resistance
Insulation resistance (nominal voltages 50V
DC
)
Measurement range according to 61557 from 50kΩ-80MΩ
Measuring range (MΩ)
Resolution (MΩ)
Accuracy
0.1
80.0
(0.100 ... 1.999)
0.001
(2.00 ... 80.00)
0.01
(5 % of r
3 digits)
Insulation resistance (nominal voltages 100 V
DC
and 250 V
DC
)
Measurement range according to 61557 from
100kΩ-199.9MΩ
Measuring range (MΩ)
Resolution (MΩ)
Accuracy
0.1
199.9
(0.100 ... 1.999)
0.001
(2.00 ... 99.99)
0.01
(100.0 ... 199.9)
0.1
(5 % of r
3 digits)
Insulation resistance (nominal voltages 500 V
DC
and 1000 V
DC
)
Measurement range according to 61557 from
500kΩ-199.9MΩ
Measuring range (MΩ)
Resolution (MΩ)
Accuracy
0.1
199.9
(0.100 ... 1.999)
0.001
(2.00 ... 99.99)
0.01
(100.0 ... 199.9)
0.1
(2 % of r
3 digits)
200
999
(200 ... 999) 1
(10 % of reading)
Voltage
Measuring range (V)
Resolution (V)
Accuracy
0
1200
1
(3 % of r 3 digits)
Nominal voltages ................................. 50V
DC
, 100 V
DC
, 250 V
DC
, 500 V
DC
, 1000 V
DC
Open circuit voltage .......................... .. -0 % / +20 % of nominal voltage
Measuring current ............................... min. 1 mA at R
N
=U
N
1
kΩ/V
Short circuit current ............................. max. 15 mA
The number of possible tests
with a new set of batteries ................... up to 1000 (with 2300mAh battery cells)
Auto discharge after test.
In case the instrument gets moistened the results could be impaired. In such case it is
recommended to dry the instrument and accessories for at least 24 hours.
7.2
Continuity resistance
7.2.1
Low R
Measuring range according to EN61557-4 is 0.1
Ω
1999
Ω
.
Measuring range (
Ω
)
Resolution (
Ω
)
Accuracy
0.1
20.0
(0.10 Ω .... 19.99 Ω) 0.01 Ω
(3 % of r 3 digits)
20.0
1999
(20.0 Ω ... 99.9 Ω) 0.1 Ω
(100 Ω ... 1999 Ω) 1 Ω
±(5% of reading)
