COMBITEST422
EN - 90
10. TECHNICAL SPECIFICATIONS
Accuracy is calculated as: ±[%r (no. of digits) * resolution] at 23°C, <80%RH
10.1. TECHNICAL CHARACTERISTICS
AC TRMS voltage
Range [V]
Resolution [V]
Accuracy
15
460
1
(3%rdg + 2dgt)
Frequency
Range [Hz]
Resolution [Hz]
Accuracy
47.50
52.50 / 57.00
63.00
0.01
(0.1%rdg+1dgt)
Continuity of protective conductor (RPE)
Range [
]
Resolution [
]
Accuracy
0.00
9.99
0.01
(5.0
rdg + 3dgt)
10.0
99.9
0.1
100
1999
1
Test current:
>200mA DC up to 5
(test leads included)
Test current generated: 1mA resolution, range 0 ÷ 250mA
Open-circuit voltage:
4 < V
0
< 24VDC
Safety protection:
error message for input voltage >10V
Insulation resistance (M
)
Test voltage [V]
Range [M
]
Resolution [M
]
Accuracy
50
0.01
9.99
0.01
(2.0
rdg + 2dgt)
10.0
49.9
0.1
50.0
99.9
(5.0
rdg + 2dgt)
100
0.01
9.99
0.01
(2.0
rdg + 2dgt)
10.0
99.9
0.1
100
199
1
(5.0
rdg + 2dgt)
250
0.01
9.99
0.01
(2.0
rdg + 2dgt)
10.0
199.9
0.1
200
249
1
250
499
(5.0
rdg + 2dgt)
500
0.01
9.99
0.01
(2.0
rdg + 2dgt)
10.0
199.9
0.1
200
499
1
500
999
(5.0
rdg + 2dgt)
1000
0.01
9.99
0.01
(2.0
rdg + 2dgt)
10.0
199.9
0.1
200
1999
1
Open-circuit voltage
rated test voltage -0% +10%
Rated measuring current:
>1mA with 1k
x Vnom (50V, 100V, 250V, 1000V), >2.2mA with 230k
@ 500V
Short-circuit current
<6.0mA for each test voltage
Safety protection:
error message for input voltage >10V
Line/Loop impedance (Phase-Phase, Phase-Neutral, Phase-Earth)
Range [
]
Resolution [
]
Accuracy (*)
0.01
9.99
0.01
(5%rdg + 3dgt)
10.0
199.9
0.1
(*) 0.1m
in range 0.1
199.9 m
(by using the optional accessory IMP57)
Maximum test current:
3.31A (at 265V); 5.71A (at 457V)
P-N/P-P Test voltage:
(100V
265V) / (100V
460V); 50/60Hz ±5%
Protection types:
MCB (B, C, D, K), Fuse (aM, gG, BS882-2,BS88-3, BS3036, BS1362)
First fault current
– IT systems
Range [mA]
Resolution [mA]
Accuracy
0.1
0.9
0.1
(5
rdg+1dgt)
1
999
1
(5
rdg + 3dgt)
Limit contact voltage (ULIM) : 25V, 50V
Test on RCD protection (molded-case type)
