37
Analogue calibre 50 kΩ...2 GΩ
Resolution 8 segments per
10-unit interval
Accuracy 5 % L ± 1 segment
Digital 0.01 to 0.20 to 40.0 to 400 MΩ
calibres 0.19 MΩ 39.99 MΩ 399.9 MΩ to 2 GΩ
Resolution 10 kΩ 100 kΩ 1 MΩ
Accuracy 3% R ± 5 ct 3% R ± 2 ct
Test voltage 250 V 500 V 1000 V
Voltage at
< 300 V < 600 V < 1200 V
open circuit
Test current
≥ 1 mA ≥ 1 mA ≥ 1 mA
for R ≤ 250 kΩ for R ≤ 500 kΩ for R ≤ 1 MΩ
Short-circuit
≤ 3 mA
current
Once the yellow key has been released, the residual voltage
present on the terminals is discharged via the measuring cords
through the apparatus at the speed of 1.5 s/µF and in an
impedance of 300 Ω.
■ Average charging time depending on the capacity in
parallel on the resistance to be measured.
500 V 1000 V
1 MΩ
3 s 3 s 1 µF
3 s 6 s 5 µF
100 MΩ
6 s 6 s 1 µF
20 s 20 s 5 µF
6.2.3. Continuity
Measurement range : 0 to 20 Ω
Calibre 0.00...19.90 Ω
Resolution 10 mΩ
Accuracy ± 3% L ± 1 pt
Measuring current ≥ 200 mA
Voltage at open circuit 7 V ≤ V
open
≤ 9 V
6.2.4. Resistance (C.A 6523 and C.A 6525)
Measurement range : 0 to 400 kΩ
Calibres
0.0...399.9 Ω 400..3999 Ω 4.00..39.99 kΩ 40.0..399.9 kΩ
auto.
Resolution 0.1 Ω 1 Ω 10 Ω 100 Ω
Accuracy ± 3% L ± 5 pt ± 3% L ± 1 pt
Test
55 or 550 µA according to the measurement
current
Voltage at
7 V ≤ V
open
≤ 9 V
open circuit