19
6. Technical data
Monitored IT system
Nominal system voltage
U
n
............................................................................................ AC 192…276 V
Nominal frequency
f
n
.............................................................................................................. 42…60 Hz
Response values
Response value
R
an1
(ALARM 1) ............................................................................ 1…200 kΩ (46 kΩ)*
Response value
R
an2
(ALARM 2) ............................................................................ 1…200 kΩ (23 kΩ)*
Relative uncertainty 1 kΩ…5 kΩ/5 kΩ…200 kΩ ....................................................... ±0.5 kΩ/±15 %
Hysteresis .......................................................................................................................................... 25 %
Time response
Response time
t
an
at
R
F
= 0.5 x
R
an
and
C
e
= 1 μF ......................................................................... < 1 s
Start-up delay (start time)
t
.............................................................................................. 0…10 s (2 s)*
Response delay
t
on
............................................................................................................ 0…99 s (0 s)*
Measuring circuit
Measuring voltage
U
m
........................................................................................................................ 12 V
Measuring current
I
m
(at
R
F
= 0 Ω) .......................................................................................... < 200 μA
Internal resistance DC
R
i
............................................................................................................... > 62 kΩ
Impedance
Z
i
at 50 Hz .................................................................................................................. > 60 kΩ
Permissible extraneous DC voltage
U
fg
.................................................................................. < DC 300 V
Permissible system leakage capacitance
C
e
................................................................................... < 5 μF
Displays, memory
Display range measured value ............................................................................................ 1 kΩ…1 MΩ
Operating uncertainty 1 kΩ…5 kΩ/5 kΩ…1 MΩ ....................................................... ±0.5 kΩ/±15 %
Password ..................................................................................................................... off/0…999 (off)*
Fault memory signalling relay................................................................................................ on/off (on)*
Switching element socket-outlets:
Nominal current.................................................................................................................................. 16 A
Nominal voltage .......................................................................................................................... AC 250 V
Max. switching capacity AC......................................................................................................... 7,500 VA
Recommended minimum load ...................................................................................... 500 mA/AC 12 V
Electrical endurance, number of cycles........................................................................................... 10,000
