Sonel MIC-2 - Page 15

OPERATING MANUAL MIC-2 ver. 1.8
13
Connection resistance measurement
Displayed
range
Resolution
Intrinsic uncertainty
0,0...199,9
0,1Ω
±(4% m.v. + 3 digits)
200…1999Ω
1Ω
 Continuous sonic signal for R < 10Ω
Insulation resistance measurement
 Measurement voltages: 250V and 500V
 Voltage accuracy
(R
obc
[]  1000*U
N
[V]): -0+10% of the select-
ed value
 Temperature stability of voltage better than:
0.1% / °C
U
ISO
= 250V
Measurement range in accordance with
IEC 61557-2: 250k…1000M
Displayed range
Resolution
Intrinsic uncertainty
1...249kΩ
1kΩ
Not defined
250…1999kΩ
1kΩ
±(3% m.v. +
8 digits)
2,00…19,99MΩ
0,01MΩ
20,0…199,9MΩ
0,1MΩ
200…1000MΩ
1MΩ
U
ISO
= 500V
Measurement range in accordance with
IEC 61557-2: 500k…1999M
Displayed range
Resolution
Intrinsic uncertainty
1...499kΩ
1kΩ
Not defined
500…1999kΩ
1kΩ
±(3% m.v. +
8 digits)
2,00…19,99MΩ
0,01MΩ
20,0…199,9MΩ
0,1MΩ
200…1999MΩ
1MΩ
Other technical data
a) Type of insulation: double, in accordance with
EN 61010-1 and IEC 61557
b) Measurement category: IV 600V in accordance
with EN 61010-1
c) Protection class of the casing in accordance
with EN 60529: IP65
d) Maximum measurement current R
ISO
: 1,2mA ±
0,2mA
e) Maximum interference voltage at which a
measurement is realised R
ISO
: 20V
f) Measurement current R
CONT
(with closed termi-
nals for U
BAT
 3,0V): < 10mA
g) Maximum voltage on open terminals for R
CONT
:
4…24V
h) Maximum interference voltage at which a
measurement is realised R
CONT
: +7V/-1V d.c.,
5V a.c.